File: | xlators/performance/read-ahead/src/read-ahead.c |
Location: | line 203, column 9 |
Description: | Access to field 'children' results in a dereference of a null pointer (loaded from variable 'this') |
1 | /* | |||||||
2 | Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> | |||||||
3 | This file is part of GlusterFS. | |||||||
4 | ||||||||
5 | This file is licensed to you under your choice of the GNU Lesser | |||||||
6 | General Public License, version 3 or any later version (LGPLv3 or | |||||||
7 | later), or the GNU General Public License, version 2 (GPLv2), in all | |||||||
8 | cases as published by the Free Software Foundation. | |||||||
9 | */ | |||||||
10 | ||||||||
11 | /* | |||||||
12 | TODO: | |||||||
13 | - handle O_DIRECT | |||||||
14 | - maintain offset, flush on lseek | |||||||
15 | - ensure efficient memory management in case of random seek | |||||||
16 | */ | |||||||
17 | ||||||||
18 | #ifndef _CONFIG_H | |||||||
19 | #define _CONFIG_H | |||||||
20 | #include "config.h" | |||||||
21 | #endif | |||||||
22 | ||||||||
23 | #include "glusterfs.h" | |||||||
24 | #include "logging.h" | |||||||
25 | #include "dict.h" | |||||||
26 | #include "xlator.h" | |||||||
27 | #include "read-ahead.h" | |||||||
28 | #include "statedump.h" | |||||||
29 | #include <assert.h> | |||||||
30 | #include <sys/time.h> | |||||||
31 | ||||||||
32 | static void | |||||||
33 | read_ahead (call_frame_t *frame, ra_file_t *file); | |||||||
34 | ||||||||
35 | ||||||||
36 | int | |||||||
37 | ra_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
38 | int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata) | |||||||
39 | { | |||||||
40 | ra_conf_t *conf = NULL((void*)0); | |||||||
41 | ra_file_t *file = NULL((void*)0); | |||||||
42 | int ret = 0; | |||||||
43 | ||||||||
44 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 44, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
45 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 45, GF_LOG_ERROR , "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
46 | ||||||||
47 | conf = this->private; | |||||||
48 | ||||||||
49 | if (op_ret == -1) { | |||||||
50 | goto unwind; | |||||||
51 | } | |||||||
52 | ||||||||
53 | file = GF_CALLOC (1, sizeof (*file), gf_ra_mt_ra_file_t)__gf_calloc (1, sizeof (*file), gf_ra_mt_ra_file_t); | |||||||
54 | if (!file) { | |||||||
55 | op_ret = -1; | |||||||
56 | op_errno = ENOMEM12; | |||||||
57 | goto unwind; | |||||||
58 | } | |||||||
59 | ||||||||
60 | /* If O_DIRECT open, we disable caching on it */ | |||||||
61 | ||||||||
62 | if ((fd->flags & O_DIRECT040000) || ((fd->flags & O_ACCMODE0003) == O_WRONLY01)) | |||||||
63 | file->disabled = 1; | |||||||
64 | ||||||||
65 | file->offset = (unsigned long long) 0; | |||||||
66 | file->conf = conf; | |||||||
67 | file->pages.next = &file->pages; | |||||||
68 | file->pages.prev = &file->pages; | |||||||
69 | file->pages.offset = (unsigned long long) 0; | |||||||
70 | file->pages.file = file; | |||||||
71 | ||||||||
72 | ra_conf_lock (conf); | |||||||
73 | { | |||||||
74 | file->next = conf->files.next; | |||||||
75 | conf->files.next = file; | |||||||
76 | file->next->prev = file; | |||||||
77 | file->prev = &conf->files; | |||||||
78 | } | |||||||
79 | ra_conf_unlock (conf); | |||||||
80 | ||||||||
81 | file->fd = fd; | |||||||
82 | file->page_count = conf->page_count; | |||||||
83 | file->page_size = conf->page_size; | |||||||
84 | pthread_mutex_init (&file->file_lock, NULL((void*)0)); | |||||||
85 | ||||||||
86 | if (!file->disabled) { | |||||||
87 | file->page_count = 1; | |||||||
88 | } | |||||||
89 | ||||||||
90 | ret = fd_ctx_set (fd, this, (uint64_t)(long)file); | |||||||
91 | if (ret == -1) { | |||||||
92 | gf_log (frame->this->name, GF_LOG_WARNING,do { do { if (0) printf ("cannot set read-ahead context information in fd (%p)" , fd); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 94, GF_LOG_WARNING, "cannot set read-ahead context information in fd (%p)" , fd); } while (0) | |||||||
93 | "cannot set read-ahead context information in fd (%p)",do { do { if (0) printf ("cannot set read-ahead context information in fd (%p)" , fd); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 94, GF_LOG_WARNING, "cannot set read-ahead context information in fd (%p)" , fd); } while (0) | |||||||
94 | fd)do { do { if (0) printf ("cannot set read-ahead context information in fd (%p)" , fd); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 94, GF_LOG_WARNING, "cannot set read-ahead context information in fd (%p)" , fd); } while (0); | |||||||
95 | ra_file_destroy (file); | |||||||
96 | op_ret = -1; | |||||||
97 | op_errno = ENOMEM12; | |||||||
98 | } | |||||||
99 | ||||||||
100 | unwind: | |||||||
101 | frame->local = NULL((void*)0); | |||||||
102 | ||||||||
103 | STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, xdata)do { fop_open_cbk_t fn = ((void*)0); call_frame_t *_parent = ( (void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 103, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_open_cbk_t )frame->ret; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, fd, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0); | |||||||
104 | ||||||||
105 | return 0; | |||||||
106 | } | |||||||
107 | ||||||||
108 | ||||||||
109 | int | |||||||
110 | ra_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
111 | int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode, | |||||||
112 | struct iatt *buf, struct iatt *preparent, | |||||||
113 | struct iatt *postparent, dict_t *xdata) | |||||||
114 | { | |||||||
115 | ra_conf_t *conf = NULL((void*)0); | |||||||
116 | ra_file_t *file = NULL((void*)0); | |||||||
117 | int ret = 0; | |||||||
118 | ||||||||
119 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 119, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
120 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 120, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
121 | ||||||||
122 | conf = this->private; | |||||||
123 | ||||||||
124 | if (op_ret == -1) { | |||||||
125 | goto unwind; | |||||||
126 | } | |||||||
127 | ||||||||
128 | file = GF_CALLOC (1, sizeof (*file), gf_ra_mt_ra_file_t)__gf_calloc (1, sizeof (*file), gf_ra_mt_ra_file_t); | |||||||
129 | if (!file) { | |||||||
130 | op_ret = -1; | |||||||
131 | op_errno = ENOMEM12; | |||||||
132 | goto unwind; | |||||||
133 | } | |||||||
134 | ||||||||
135 | /* If O_DIRECT open, we disable caching on it */ | |||||||
136 | ||||||||
137 | if ((fd->flags & O_DIRECT040000) || ((fd->flags & O_ACCMODE0003) == O_WRONLY01)) | |||||||
138 | file->disabled = 1; | |||||||
139 | ||||||||
140 | file->offset = (unsigned long long) 0; | |||||||
141 | //file->size = fd->inode->buf.ia_size; | |||||||
142 | file->conf = conf; | |||||||
143 | file->pages.next = &file->pages; | |||||||
144 | file->pages.prev = &file->pages; | |||||||
145 | file->pages.offset = (unsigned long long) 0; | |||||||
146 | file->pages.file = file; | |||||||
147 | ||||||||
148 | ra_conf_lock (conf); | |||||||
149 | { | |||||||
150 | file->next = conf->files.next; | |||||||
151 | conf->files.next = file; | |||||||
152 | file->next->prev = file; | |||||||
153 | file->prev = &conf->files; | |||||||
154 | } | |||||||
155 | ra_conf_unlock (conf); | |||||||
156 | ||||||||
157 | file->fd = fd; | |||||||
158 | file->page_count = conf->page_count; | |||||||
159 | file->page_size = conf->page_size; | |||||||
160 | pthread_mutex_init (&file->file_lock, NULL((void*)0)); | |||||||
161 | ||||||||
162 | ret = fd_ctx_set (fd, this, (uint64_t)(long)file); | |||||||
163 | if (ret == -1) { | |||||||
164 | gf_log (this->name, GF_LOG_WARNING,do { do { if (0) printf ("cannot set read ahead context information in fd (%p)" , fd); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 166, GF_LOG_WARNING, "cannot set read ahead context information in fd (%p)" , fd); } while (0) | |||||||
165 | "cannot set read ahead context information in fd (%p)",do { do { if (0) printf ("cannot set read ahead context information in fd (%p)" , fd); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 166, GF_LOG_WARNING, "cannot set read ahead context information in fd (%p)" , fd); } while (0) | |||||||
166 | fd)do { do { if (0) printf ("cannot set read ahead context information in fd (%p)" , fd); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 166, GF_LOG_WARNING, "cannot set read ahead context information in fd (%p)" , fd); } while (0); | |||||||
167 | ra_file_destroy (file); | |||||||
168 | op_ret = -1; | |||||||
169 | op_errno = ENOMEM12; | |||||||
170 | } | |||||||
171 | ||||||||
172 | unwind: | |||||||
173 | STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, buf,do { fop_create_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 174, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_create_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, fd, inode, buf, preparent, postparent, xdata); (* __glusterfs_this_location()) = old_THIS; } while (0) | |||||||
174 | preparent, postparent, xdata)do { fop_create_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 174, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_create_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, fd, inode, buf, preparent, postparent, xdata); (* __glusterfs_this_location()) = old_THIS; } while (0); | |||||||
175 | ||||||||
176 | return 0; | |||||||
177 | } | |||||||
178 | ||||||||
179 | ||||||||
180 | int | |||||||
181 | ra_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, | |||||||
182 | fd_t *fd, dict_t *xdata) | |||||||
183 | { | |||||||
184 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 184, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
185 | GF_ASSERT (this)do { if (!(this)) { do { do { if (0) printf ("Assertion failed: " "this"); } while (0); _gf_log_callingfn ("", "read-ahead.c", __FUNCTION__, 185, GF_LOG_ERROR, "Assertion failed: " "this" ); } while (0); } } while (0); | |||||||
186 | ||||||||
187 | STACK_WIND (frame, ra_open_cbk,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 190, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->open_cbk) tmp_cbk = ra_open_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->open"; _new ->unwind_to = "ra_open_cbk"; pthread_spin_init (&_new-> lock, 0); pthread_spin_lock (&frame->root->stack_lock ); { _new->next = frame->root->frames.next; _new-> prev = &frame->root->frames; if (frame->root-> frames.next) frame->root->frames.next->prev = _new; frame ->root->frames.next = _new; frame->ref_count++; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (this->children-> xlator); if (frame->this->ctx->measure_latency) gf_latency_begin (_new, (this->children->xlator)->fops->open); (this ->children->xlator)->fops->open (_new, (this-> children->xlator), loc, flags, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
188 | FIRST_CHILD (this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 190, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->open_cbk) tmp_cbk = ra_open_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->open"; _new ->unwind_to = "ra_open_cbk"; pthread_spin_init (&_new-> lock, 0); pthread_spin_lock (&frame->root->stack_lock ); { _new->next = frame->root->frames.next; _new-> prev = &frame->root->frames; if (frame->root-> frames.next) frame->root->frames.next->prev = _new; frame ->root->frames.next = _new; frame->ref_count++; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (this->children-> xlator); if (frame->this->ctx->measure_latency) gf_latency_begin (_new, (this->children->xlator)->fops->open); (this ->children->xlator)->fops->open (_new, (this-> children->xlator), loc, flags, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
189 | FIRST_CHILD (this)->fops->open,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 190, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->open_cbk) tmp_cbk = ra_open_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->open"; _new ->unwind_to = "ra_open_cbk"; pthread_spin_init (&_new-> lock, 0); pthread_spin_lock (&frame->root->stack_lock ); { _new->next = frame->root->frames.next; _new-> prev = &frame->root->frames; if (frame->root-> frames.next) frame->root->frames.next->prev = _new; frame ->root->frames.next = _new; frame->ref_count++; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (this->children-> xlator); if (frame->this->ctx->measure_latency) gf_latency_begin (_new, (this->children->xlator)->fops->open); (this ->children->xlator)->fops->open (_new, (this-> children->xlator), loc, flags, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
190 | loc, flags, fd, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 190, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->open_cbk) tmp_cbk = ra_open_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->open"; _new ->unwind_to = "ra_open_cbk"; pthread_spin_init (&_new-> lock, 0); pthread_spin_lock (&frame->root->stack_lock ); { _new->next = frame->root->frames.next; _new-> prev = &frame->root->frames; if (frame->root-> frames.next) frame->root->frames.next->prev = _new; frame ->root->frames.next = _new; frame->ref_count++; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (this->children-> xlator); if (frame->this->ctx->measure_latency) gf_latency_begin (_new, (this->children->xlator)->fops->open); (this ->children->xlator)->fops->open (_new, (this-> children->xlator), loc, flags, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
191 | ||||||||
192 | return 0; | |||||||
193 | } | |||||||
194 | ||||||||
195 | ||||||||
196 | int | |||||||
197 | ra_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, | |||||||
198 | mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata) | |||||||
199 | { | |||||||
200 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 200, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
201 | GF_ASSERT (this)do { if (!(this)) { do { do { if (0) printf ("Assertion failed: " "this"); } while (0); _gf_log_callingfn ("", "read-ahead.c", __FUNCTION__, 201, GF_LOG_ERROR, "Assertion failed: " "this" ); } while (0); } } while (0); | |||||||
| ||||||||
202 | ||||||||
203 | STACK_WIND (frame, ra_create_cbk,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 206, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->create_cbk) tmp_cbk = ra_create_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->create"; _new->unwind_to = "ra_create_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->create); (this->children->xlator )->fops->create (_new, (this->children->xlator), loc , flags, mode, umask, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
| ||||||||
204 | FIRST_CHILD(this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 206, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->create_cbk) tmp_cbk = ra_create_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->create"; _new->unwind_to = "ra_create_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->create); (this->children->xlator )->fops->create (_new, (this->children->xlator), loc , flags, mode, umask, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
205 | FIRST_CHILD(this)->fops->create,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 206, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->create_cbk) tmp_cbk = ra_create_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->create"; _new->unwind_to = "ra_create_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->create); (this->children->xlator )->fops->create (_new, (this->children->xlator), loc , flags, mode, umask, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
206 | loc, flags, mode, umask, fd, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 206, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->create_cbk) tmp_cbk = ra_create_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->create"; _new->unwind_to = "ra_create_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->create); (this->children->xlator )->fops->create (_new, (this->children->xlator), loc , flags, mode, umask, fd, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
207 | ||||||||
208 | return 0; | |||||||
209 | } | |||||||
210 | ||||||||
211 | /* free cache pages between offset and offset+size, | |||||||
212 | does not touch pages with frames waiting on it | |||||||
213 | */ | |||||||
214 | ||||||||
215 | static void | |||||||
216 | flush_region (call_frame_t *frame, ra_file_t *file, off_t offset, off_t size, | |||||||
217 | int for_write) | |||||||
218 | { | |||||||
219 | ra_page_t *trav = NULL((void*)0); | |||||||
220 | ra_page_t *next = NULL((void*)0); | |||||||
221 | ||||||||
222 | ra_file_lock (file); | |||||||
223 | { | |||||||
224 | trav = file->pages.next; | |||||||
225 | while (trav != &file->pages | |||||||
226 | && trav->offset < (offset + size)) { | |||||||
227 | ||||||||
228 | next = trav->next; | |||||||
229 | if (trav->offset >= offset) { | |||||||
230 | if (!trav->waitq) { | |||||||
231 | ra_page_purge (trav); | |||||||
232 | } | |||||||
233 | else { | |||||||
234 | trav->stale = 1; | |||||||
235 | ||||||||
236 | if (for_write) { | |||||||
237 | trav->poisoned = 1; | |||||||
238 | } | |||||||
239 | } | |||||||
240 | } | |||||||
241 | trav = next; | |||||||
242 | } | |||||||
243 | } | |||||||
244 | ra_file_unlock (file); | |||||||
245 | } | |||||||
246 | ||||||||
247 | ||||||||
248 | int | |||||||
249 | ra_release (xlator_t *this, fd_t *fd) | |||||||
250 | { | |||||||
251 | uint64_t tmp_file = 0; | |||||||
252 | int ret = 0; | |||||||
253 | ||||||||
254 | GF_VALIDATE_OR_GOTO ("read-ahead", this, out)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c", __FUNCTION__, 254, GF_LOG_ERROR , "invalid argument: " "this"); } while (0); goto out; } } while (0); | |||||||
255 | GF_VALIDATE_OR_GOTO (this->name, fd, out)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (this->name, "read-ahead.c", __FUNCTION__, 255, GF_LOG_ERROR , "invalid argument: " "fd"); } while (0); goto out; } } while (0); | |||||||
256 | ||||||||
257 | ret = fd_ctx_del (fd, this, &tmp_file); | |||||||
258 | ||||||||
259 | if (!ret) { | |||||||
260 | ra_file_destroy ((ra_file_t *)(long)tmp_file); | |||||||
261 | } | |||||||
262 | ||||||||
263 | out: | |||||||
264 | return 0; | |||||||
265 | } | |||||||
266 | ||||||||
267 | ||||||||
268 | void | |||||||
269 | read_ahead (call_frame_t *frame, ra_file_t *file) | |||||||
270 | { | |||||||
271 | off_t ra_offset = 0; | |||||||
272 | size_t ra_size = 0; | |||||||
273 | off_t trav_offset = 0; | |||||||
274 | ra_page_t *trav = NULL((void*)0); | |||||||
275 | off_t cap = 0; | |||||||
276 | char fault = 0; | |||||||
277 | ||||||||
278 | GF_VALIDATE_OR_GOTO ("read-ahead", frame, out)do { if (!frame) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "frame"); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c", __FUNCTION__, 278, GF_LOG_ERROR , "invalid argument: " "frame"); } while (0); goto out; } } while (0); | |||||||
279 | GF_VALIDATE_OR_GOTO (frame->this->name, file, out)do { if (!file) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "file"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 279, GF_LOG_ERROR, "invalid argument: " "file"); } while (0); goto out; } } while (0); | |||||||
280 | ||||||||
281 | if (!file->page_count) { | |||||||
282 | goto out; | |||||||
283 | } | |||||||
284 | ||||||||
285 | ra_size = file->page_size * file->page_count; | |||||||
286 | ra_offset = floor (file->offset, file->page_size)(((file->offset)/((file->page_size)?(file->page_size ):1))*(file->page_size)); | |||||||
287 | cap = file->size ? file->size : file->offset + ra_size; | |||||||
288 | ||||||||
289 | while (ra_offset < min (file->offset + ra_size, cap)((file->offset + ra_size)<(cap)?(file->offset + ra_size ):(cap))) { | |||||||
290 | ||||||||
291 | ra_file_lock (file); | |||||||
292 | { | |||||||
293 | trav = ra_page_get (file, ra_offset); | |||||||
294 | } | |||||||
295 | ra_file_unlock (file); | |||||||
296 | ||||||||
297 | if (!trav) | |||||||
298 | break; | |||||||
299 | ||||||||
300 | ra_offset += file->page_size; | |||||||
301 | } | |||||||
302 | ||||||||
303 | if (trav) { | |||||||
304 | /* comfortable enough */ | |||||||
305 | goto out; | |||||||
306 | } | |||||||
307 | ||||||||
308 | trav_offset = ra_offset; | |||||||
309 | ||||||||
310 | cap = file->size ? file->size : ra_offset + ra_size; | |||||||
311 | ||||||||
312 | while (trav_offset < min(ra_offset + ra_size, cap)((ra_offset + ra_size)<(cap)?(ra_offset + ra_size):(cap))) { | |||||||
313 | fault = 0; | |||||||
314 | ra_file_lock (file); | |||||||
315 | { | |||||||
316 | trav = ra_page_get (file, trav_offset); | |||||||
317 | if (!trav) { | |||||||
318 | fault = 1; | |||||||
319 | trav = ra_page_create (file, trav_offset); | |||||||
320 | if (trav) | |||||||
321 | trav->dirty = 1; | |||||||
322 | } | |||||||
323 | } | |||||||
324 | ra_file_unlock (file); | |||||||
325 | ||||||||
326 | if (!trav) { | |||||||
327 | /* OUT OF MEMORY */ | |||||||
328 | break; | |||||||
329 | } | |||||||
330 | ||||||||
331 | if (fault) { | |||||||
332 | gf_log (frame->this->name, GF_LOG_TRACE,do { do { if (0) printf ("RA at offset=%""ll" "d", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 333, GF_LOG_TRACE, "RA at offset=%""ll" "d", trav_offset ); } while (0) | |||||||
333 | "RA at offset=%"PRId64, trav_offset)do { do { if (0) printf ("RA at offset=%""ll" "d", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 333, GF_LOG_TRACE, "RA at offset=%""ll" "d", trav_offset ); } while (0); | |||||||
334 | ra_page_fault (file, frame, trav_offset); | |||||||
335 | } | |||||||
336 | trav_offset += file->page_size; | |||||||
337 | } | |||||||
338 | ||||||||
339 | out: | |||||||
340 | return; | |||||||
341 | } | |||||||
342 | ||||||||
343 | ||||||||
344 | int | |||||||
345 | ra_need_atime_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
346 | int32_t op_ret, int32_t op_errno, struct iovec *vector, | |||||||
347 | int32_t count, struct iatt *stbuf, struct iobref *iobref, | |||||||
348 | dict_t *xdata) | |||||||
349 | { | |||||||
350 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 350, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
351 | STACK_DESTROY (frame->root); | |||||||
352 | return 0; | |||||||
353 | } | |||||||
354 | ||||||||
355 | ||||||||
356 | static void | |||||||
357 | dispatch_requests (call_frame_t *frame, ra_file_t *file) | |||||||
358 | { | |||||||
359 | ra_local_t *local = NULL((void*)0); | |||||||
360 | ra_conf_t *conf = NULL((void*)0); | |||||||
361 | off_t rounded_offset = 0; | |||||||
362 | off_t rounded_end = 0; | |||||||
363 | off_t trav_offset = 0; | |||||||
364 | ra_page_t *trav = NULL((void*)0); | |||||||
365 | call_frame_t *ra_frame = NULL((void*)0); | |||||||
366 | char need_atime_update = 1; | |||||||
367 | char fault = 0; | |||||||
368 | ||||||||
369 | GF_VALIDATE_OR_GOTO ("read-ahead", frame, out)do { if (!frame) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "frame"); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c", __FUNCTION__, 369, GF_LOG_ERROR , "invalid argument: " "frame"); } while (0); goto out; } } while (0); | |||||||
370 | GF_VALIDATE_OR_GOTO (frame->this->name, file, out)do { if (!file) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "file"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 370, GF_LOG_ERROR, "invalid argument: " "file"); } while (0); goto out; } } while (0); | |||||||
371 | ||||||||
372 | local = frame->local; | |||||||
373 | conf = file->conf; | |||||||
374 | ||||||||
375 | rounded_offset = floor (local->offset, file->page_size)(((local->offset)/((file->page_size)?(file->page_size ):1))*(file->page_size)); | |||||||
376 | rounded_end = roof (local->offset + local->size, file->page_size)((((local->offset + local->size)+(file->page_size)-1 )/((file->page_size)?(file->page_size):1))*(file->page_size )); | |||||||
377 | ||||||||
378 | trav_offset = rounded_offset; | |||||||
379 | ||||||||
380 | while (trav_offset < rounded_end) { | |||||||
381 | fault = 0; | |||||||
382 | ||||||||
383 | ra_file_lock (file); | |||||||
384 | { | |||||||
385 | trav = ra_page_get (file, trav_offset); | |||||||
386 | if (!trav) { | |||||||
387 | trav = ra_page_create (file, trav_offset); | |||||||
388 | if (!trav) { | |||||||
389 | local->op_ret = -1; | |||||||
390 | local->op_errno = ENOMEM12; | |||||||
391 | goto unlock; | |||||||
392 | } | |||||||
393 | fault = 1; | |||||||
394 | need_atime_update = 0; | |||||||
395 | } | |||||||
396 | trav->dirty = 0; | |||||||
397 | ||||||||
398 | if (trav->ready) { | |||||||
399 | gf_log (frame->this->name, GF_LOG_TRACE,do { do { if (0) printf ("HIT at offset=%""ll" "d"".", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 401, GF_LOG_TRACE, "HIT at offset=%""ll" "d""." , trav_offset); } while (0) | |||||||
400 | "HIT at offset=%"PRId64".",do { do { if (0) printf ("HIT at offset=%""ll" "d"".", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 401, GF_LOG_TRACE, "HIT at offset=%""ll" "d""." , trav_offset); } while (0) | |||||||
401 | trav_offset)do { do { if (0) printf ("HIT at offset=%""ll" "d"".", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 401, GF_LOG_TRACE, "HIT at offset=%""ll" "d""." , trav_offset); } while (0); | |||||||
402 | ra_frame_fill (trav, frame); | |||||||
403 | } else { | |||||||
404 | gf_log (frame->this->name, GF_LOG_TRACE,do { do { if (0) printf ("IN-TRANSIT at offset=%""ll" "d"".", trav_offset); } while (0); _gf_log (frame->this->name, "read-ahead.c", __FUNCTION__, 406, GF_LOG_TRACE, "IN-TRANSIT at offset=%" "ll" "d"".", trav_offset); } while (0) | |||||||
405 | "IN-TRANSIT at offset=%"PRId64".",do { do { if (0) printf ("IN-TRANSIT at offset=%""ll" "d"".", trav_offset); } while (0); _gf_log (frame->this->name, "read-ahead.c", __FUNCTION__, 406, GF_LOG_TRACE, "IN-TRANSIT at offset=%" "ll" "d"".", trav_offset); } while (0) | |||||||
406 | trav_offset)do { do { if (0) printf ("IN-TRANSIT at offset=%""ll" "d"".", trav_offset); } while (0); _gf_log (frame->this->name, "read-ahead.c", __FUNCTION__, 406, GF_LOG_TRACE, "IN-TRANSIT at offset=%" "ll" "d"".", trav_offset); } while (0); | |||||||
407 | ra_wait_on_page (trav, frame); | |||||||
408 | need_atime_update = 0; | |||||||
409 | } | |||||||
410 | } | |||||||
411 | unlock: | |||||||
412 | ra_file_unlock (file); | |||||||
413 | ||||||||
414 | if (local->op_ret == -1) { | |||||||
415 | goto out; | |||||||
416 | } | |||||||
417 | ||||||||
418 | if (fault) { | |||||||
419 | gf_log (frame->this->name, GF_LOG_TRACE,do { do { if (0) printf ("MISS at offset=%""ll" "d"".", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 421, GF_LOG_TRACE, "MISS at offset=%""ll" "d" ".", trav_offset); } while (0) | |||||||
420 | "MISS at offset=%"PRId64".",do { do { if (0) printf ("MISS at offset=%""ll" "d"".", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 421, GF_LOG_TRACE, "MISS at offset=%""ll" "d" ".", trav_offset); } while (0) | |||||||
421 | trav_offset)do { do { if (0) printf ("MISS at offset=%""ll" "d"".", trav_offset ); } while (0); _gf_log (frame->this->name, "read-ahead.c" , __FUNCTION__, 421, GF_LOG_TRACE, "MISS at offset=%""ll" "d" ".", trav_offset); } while (0); | |||||||
422 | ra_page_fault (file, frame, trav_offset); | |||||||
423 | } | |||||||
424 | ||||||||
425 | trav_offset += file->page_size; | |||||||
426 | } | |||||||
427 | ||||||||
428 | if (need_atime_update && conf->force_atime_update) { | |||||||
429 | /* TODO: use untimens() since readv() can confuse underlying | |||||||
430 | io-cache and others */ | |||||||
431 | ra_frame = copy_frame (frame); | |||||||
432 | if (ra_frame == NULL((void*)0)) { | |||||||
433 | goto out; | |||||||
434 | } | |||||||
435 | ||||||||
436 | STACK_WIND (ra_frame, ra_need_atime_cbk,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (ra_frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 439, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_need_atime_cbk ; _new->root = ra_frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = ra_frame; _new->cookie = _new; _new-> wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_need_atime_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&ra_frame-> root->stack_lock); { _new->next = ra_frame->root-> frames.next; _new->prev = &ra_frame->root->frames ; if (ra_frame->root->frames.next) ra_frame->root-> frames.next->prev = _new; ra_frame->root->frames.next = _new; ra_frame->ref_count++; } pthread_spin_unlock (& ra_frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (frame->this->children ->xlator); if (ra_frame->this->ctx->measure_latency ) gf_latency_begin (_new, (frame->this->children->xlator )->fops->readv); (frame->this->children->xlator )->fops->readv (_new, (frame->this->children-> xlator), file->fd, 1, 1, 0, ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
437 | FIRST_CHILD (frame->this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (ra_frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 439, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_need_atime_cbk ; _new->root = ra_frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = ra_frame; _new->cookie = _new; _new-> wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_need_atime_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&ra_frame-> root->stack_lock); { _new->next = ra_frame->root-> frames.next; _new->prev = &ra_frame->root->frames ; if (ra_frame->root->frames.next) ra_frame->root-> frames.next->prev = _new; ra_frame->root->frames.next = _new; ra_frame->ref_count++; } pthread_spin_unlock (& ra_frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (frame->this->children ->xlator); if (ra_frame->this->ctx->measure_latency ) gf_latency_begin (_new, (frame->this->children->xlator )->fops->readv); (frame->this->children->xlator )->fops->readv (_new, (frame->this->children-> xlator), file->fd, 1, 1, 0, ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
438 | FIRST_CHILD (frame->this)->fops->readv,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (ra_frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 439, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_need_atime_cbk ; _new->root = ra_frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = ra_frame; _new->cookie = _new; _new-> wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_need_atime_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&ra_frame-> root->stack_lock); { _new->next = ra_frame->root-> frames.next; _new->prev = &ra_frame->root->frames ; if (ra_frame->root->frames.next) ra_frame->root-> frames.next->prev = _new; ra_frame->root->frames.next = _new; ra_frame->ref_count++; } pthread_spin_unlock (& ra_frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (frame->this->children ->xlator); if (ra_frame->this->ctx->measure_latency ) gf_latency_begin (_new, (frame->this->children->xlator )->fops->readv); (frame->this->children->xlator )->fops->readv (_new, (frame->this->children-> xlator), file->fd, 1, 1, 0, ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
439 | file->fd, 1, 1, 0, NULL)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (ra_frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 439, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_need_atime_cbk ; _new->root = ra_frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = ra_frame; _new->cookie = _new; _new-> wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_need_atime_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&ra_frame-> root->stack_lock); { _new->next = ra_frame->root-> frames.next; _new->prev = &ra_frame->root->frames ; if (ra_frame->root->frames.next) ra_frame->root-> frames.next->prev = _new; ra_frame->root->frames.next = _new; ra_frame->ref_count++; } pthread_spin_unlock (& ra_frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = (frame->this->children ->xlator); if (ra_frame->this->ctx->measure_latency ) gf_latency_begin (_new, (frame->this->children->xlator )->fops->readv); (frame->this->children->xlator )->fops->readv (_new, (frame->this->children-> xlator), file->fd, 1, 1, 0, ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
440 | } | |||||||
441 | ||||||||
442 | out: | |||||||
443 | return ; | |||||||
444 | } | |||||||
445 | ||||||||
446 | ||||||||
447 | int | |||||||
448 | ra_readv_disabled_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
449 | int32_t op_ret, int32_t op_errno, struct iovec *vector, | |||||||
450 | int32_t count, struct iatt *stbuf, struct iobref *iobref, | |||||||
451 | dict_t *xdata) | |||||||
452 | { | |||||||
453 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 453, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
454 | ||||||||
455 | STACK_UNWIND_STRICT (readv, frame, op_ret, op_errno, vector, count,do { fop_readv_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 456, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_readv_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, vector, count, stbuf, iobref, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
456 | stbuf, iobref, xdata)do { fop_readv_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 456, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_readv_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, vector, count, stbuf, iobref, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
457 | ||||||||
458 | return 0; | |||||||
459 | } | |||||||
460 | ||||||||
461 | ||||||||
462 | int | |||||||
463 | ra_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, | |||||||
464 | off_t offset, uint32_t flags, dict_t *xdata) | |||||||
465 | { | |||||||
466 | ra_file_t *file = NULL((void*)0); | |||||||
467 | ra_local_t *local = NULL((void*)0); | |||||||
468 | ra_conf_t *conf = NULL((void*)0); | |||||||
469 | int op_errno = EINVAL22; | |||||||
470 | char expected_offset = 1; | |||||||
471 | uint64_t tmp_file = 0; | |||||||
472 | ||||||||
473 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 473, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
474 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 474, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
475 | GF_VALIDATE_OR_GOTO (frame->this->name, fd, unwind)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 475, GF_LOG_ERROR, "invalid argument: " "fd"); } while (0); goto unwind ; } } while (0); | |||||||
476 | ||||||||
477 | conf = this->private; | |||||||
478 | ||||||||
479 | gf_log (this->name, GF_LOG_TRACE,do { do { if (0) printf ("NEW REQ at offset=%""ll" "d"" for size=%" "zu""", offset, size); } while (0); _gf_log (this->name, "read-ahead.c" , __FUNCTION__, 481, GF_LOG_TRACE, "NEW REQ at offset=%""ll" "d" " for size=%""zu""", offset, size); } while (0) | |||||||
480 | "NEW REQ at offset=%"PRId64" for size=%"GF_PRI_SIZET"",do { do { if (0) printf ("NEW REQ at offset=%""ll" "d"" for size=%" "zu""", offset, size); } while (0); _gf_log (this->name, "read-ahead.c" , __FUNCTION__, 481, GF_LOG_TRACE, "NEW REQ at offset=%""ll" "d" " for size=%""zu""", offset, size); } while (0) | |||||||
481 | offset, size)do { do { if (0) printf ("NEW REQ at offset=%""ll" "d"" for size=%" "zu""", offset, size); } while (0); _gf_log (this->name, "read-ahead.c" , __FUNCTION__, 481, GF_LOG_TRACE, "NEW REQ at offset=%""ll" "d" " for size=%""zu""", offset, size); } while (0); | |||||||
482 | ||||||||
483 | fd_ctx_get (fd, this, &tmp_file); | |||||||
484 | file = (ra_file_t *)(long)tmp_file; | |||||||
485 | ||||||||
486 | if (!file || file->disabled) { | |||||||
487 | goto disabled; | |||||||
488 | } | |||||||
489 | ||||||||
490 | if (file->offset != offset) { | |||||||
491 | gf_log (this->name, GF_LOG_TRACE,do { do { if (0) printf ("unexpected offset (%""ll" "d"" != %" "ll" "d"") resetting", file->offset, offset); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__, 493, GF_LOG_TRACE , "unexpected offset (%""ll" "d"" != %""ll" "d"") resetting", file->offset, offset); } while (0) | |||||||
492 | "unexpected offset (%"PRId64" != %"PRId64") resetting",do { do { if (0) printf ("unexpected offset (%""ll" "d"" != %" "ll" "d"") resetting", file->offset, offset); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__, 493, GF_LOG_TRACE , "unexpected offset (%""ll" "d"" != %""ll" "d"") resetting", file->offset, offset); } while (0) | |||||||
493 | file->offset, offset)do { do { if (0) printf ("unexpected offset (%""ll" "d"" != %" "ll" "d"") resetting", file->offset, offset); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__, 493, GF_LOG_TRACE , "unexpected offset (%""ll" "d"" != %""ll" "d"") resetting", file->offset, offset); } while (0); | |||||||
494 | ||||||||
495 | expected_offset = file->expected = file->page_count = 0; | |||||||
496 | } else { | |||||||
497 | gf_log (this->name, GF_LOG_TRACE,do { do { if (0) printf ("expected offset (%""ll" "d"") when page_count=%d" , offset, file->page_count); } while (0); _gf_log (this-> name, "read-ahead.c", __FUNCTION__, 499, GF_LOG_TRACE, "expected offset (%" "ll" "d"") when page_count=%d", offset, file->page_count); } while (0) | |||||||
498 | "expected offset (%"PRId64") when page_count=%d",do { do { if (0) printf ("expected offset (%""ll" "d"") when page_count=%d" , offset, file->page_count); } while (0); _gf_log (this-> name, "read-ahead.c", __FUNCTION__, 499, GF_LOG_TRACE, "expected offset (%" "ll" "d"") when page_count=%d", offset, file->page_count); } while (0) | |||||||
499 | offset, file->page_count)do { do { if (0) printf ("expected offset (%""ll" "d"") when page_count=%d" , offset, file->page_count); } while (0); _gf_log (this-> name, "read-ahead.c", __FUNCTION__, 499, GF_LOG_TRACE, "expected offset (%" "ll" "d"") when page_count=%d", offset, file->page_count); } while (0); | |||||||
500 | ||||||||
501 | if (file->expected < (file->page_size * conf->page_count)) { | |||||||
502 | file->expected += size; | |||||||
503 | file->page_count = min ((file->expected(((file->expected / file->page_size))<(conf->page_count )?((file->expected / file->page_size)):(conf->page_count )) | |||||||
504 | / file->page_size),(((file->expected / file->page_size))<(conf->page_count )?((file->expected / file->page_size)):(conf->page_count )) | |||||||
505 | conf->page_count)(((file->expected / file->page_size))<(conf->page_count )?((file->expected / file->page_size)):(conf->page_count )); | |||||||
506 | } | |||||||
507 | } | |||||||
508 | ||||||||
509 | if (!expected_offset) { | |||||||
510 | flush_region (frame, file, 0, file->pages.prev->offset + 1, 0); | |||||||
511 | } | |||||||
512 | ||||||||
513 | local = mem_get0 (this->local_pool); | |||||||
514 | if (!local) { | |||||||
515 | op_errno = ENOMEM12; | |||||||
516 | goto unwind; | |||||||
517 | } | |||||||
518 | ||||||||
519 | local->fd = fd; | |||||||
520 | local->offset = offset; | |||||||
521 | local->size = size; | |||||||
522 | local->wait_count = 1; | |||||||
523 | ||||||||
524 | local->fill.next = &local->fill; | |||||||
525 | local->fill.prev = &local->fill; | |||||||
526 | ||||||||
527 | pthread_mutex_init (&local->local_lock, NULL((void*)0)); | |||||||
528 | ||||||||
529 | frame->local = local; | |||||||
530 | ||||||||
531 | dispatch_requests (frame, file); | |||||||
532 | ||||||||
533 | flush_region (frame, file, 0, floor (offset, file->page_size)(((offset)/((file->page_size)?(file->page_size):1))*(file ->page_size)), 0); | |||||||
534 | ||||||||
535 | read_ahead (frame, file); | |||||||
536 | ||||||||
537 | ra_frame_return (frame); | |||||||
538 | ||||||||
539 | file->offset = offset + size; | |||||||
540 | ||||||||
541 | return 0; | |||||||
542 | ||||||||
543 | unwind: | |||||||
544 | STACK_UNWIND_STRICT (readv, frame, -1, op_errno, NULL, 0, NULL, NULL,do { fop_readv_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 545, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_readv_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), 0, ((void*)0), ((void*)0), ((void*)0) ); (*__glusterfs_this_location()) = old_THIS; } while (0) | |||||||
545 | NULL)do { fop_readv_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 545, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_readv_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), 0, ((void*)0), ((void*)0), ((void*)0) ); (*__glusterfs_this_location()) = old_THIS; } while (0); | |||||||
546 | ||||||||
547 | return 0; | |||||||
548 | ||||||||
549 | disabled: | |||||||
550 | STACK_WIND (frame, ra_readv_disabled_cbk,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 553, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_readv_disabled_cbk ; _new->root = frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_readv_disabled_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (frame->this->children->xlator); if (frame-> this->ctx->measure_latency) gf_latency_begin (_new, (frame ->this->children->xlator)->fops->readv); (frame ->this->children->xlator)->fops->readv (_new, ( frame->this->children->xlator), fd, size, offset, flags , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0) | |||||||
551 | FIRST_CHILD (frame->this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 553, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_readv_disabled_cbk ; _new->root = frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_readv_disabled_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (frame->this->children->xlator); if (frame-> this->ctx->measure_latency) gf_latency_begin (_new, (frame ->this->children->xlator)->fops->readv); (frame ->this->children->xlator)->fops->readv (_new, ( frame->this->children->xlator), fd, size, offset, flags , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0) | |||||||
552 | FIRST_CHILD (frame->this)->fops->readv,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 553, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_readv_disabled_cbk ; _new->root = frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_readv_disabled_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (frame->this->children->xlator); if (frame-> this->ctx->measure_latency) gf_latency_begin (_new, (frame ->this->children->xlator)->fops->readv); (frame ->this->children->xlator)->fops->readv (_new, ( frame->this->children->xlator), fd, size, offset, flags , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0) | |||||||
553 | fd, size, offset, flags, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 553, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (frame->this ->children->xlator)->fops->readv_cbk) tmp_cbk = ra_readv_disabled_cbk ; _new->root = frame->root; _new->this = (frame-> this->children->xlator); _new->ret = (ret_fn_t) tmp_cbk ; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__; _new->wind_to = "FIRST_CHILD (frame->this)->fops->readv" ; _new->unwind_to = "ra_readv_disabled_cbk"; pthread_spin_init (&_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (frame->this->children->xlator); if (frame-> this->ctx->measure_latency) gf_latency_begin (_new, (frame ->this->children->xlator)->fops->readv); (frame ->this->children->xlator)->fops->readv (_new, ( frame->this->children->xlator), fd, size, offset, flags , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0); | |||||||
554 | return 0; | |||||||
555 | } | |||||||
556 | ||||||||
557 | ||||||||
558 | int | |||||||
559 | ra_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, | |||||||
560 | int32_t op_errno, dict_t *xdata) | |||||||
561 | { | |||||||
562 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 562, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
563 | STACK_UNWIND_STRICT (flush, frame, op_ret, op_errno, xdata)do { fop_flush_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 563, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_flush_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0); | |||||||
564 | return 0; | |||||||
565 | } | |||||||
566 | ||||||||
567 | ||||||||
568 | ||||||||
569 | int | |||||||
570 | ra_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, | |||||||
571 | int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf, | |||||||
572 | dict_t *xdata) | |||||||
573 | { | |||||||
574 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 574, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
575 | STACK_UNWIND_STRICT (fsync, frame, op_ret, op_errno, prebuf, postbuf,do { fop_fsync_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 576, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_fsync_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, prebuf, postbuf, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
576 | xdata)do { fop_fsync_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 576, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_fsync_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, prebuf, postbuf, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
577 | return 0; | |||||||
578 | } | |||||||
579 | ||||||||
580 | ||||||||
581 | int | |||||||
582 | ra_flush (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) | |||||||
583 | { | |||||||
584 | ra_file_t *file = NULL((void*)0); | |||||||
585 | uint64_t tmp_file = 0; | |||||||
586 | int32_t op_errno = EINVAL22; | |||||||
587 | ||||||||
588 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 588, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
589 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 589, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
590 | GF_VALIDATE_OR_GOTO (frame->this->name, fd, unwind)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 590, GF_LOG_ERROR, "invalid argument: " "fd"); } while (0); goto unwind ; } } while (0); | |||||||
591 | ||||||||
592 | fd_ctx_get (fd, this, &tmp_file); | |||||||
593 | ||||||||
594 | file = (ra_file_t *)(long)tmp_file; | |||||||
595 | if (file) { | |||||||
596 | flush_region (frame, file, 0, file->pages.prev->offset+1, 0); | |||||||
597 | } | |||||||
598 | ||||||||
599 | STACK_WIND (frame, ra_flush_cbk, FIRST_CHILD (this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 600, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->flush_cbk) tmp_cbk = ra_flush_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->flush"; _new->unwind_to = "ra_flush_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->flush); (this->children->xlator )->fops->flush (_new, (this->children->xlator), fd , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0) | |||||||
600 | FIRST_CHILD (this)->fops->flush, fd, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 600, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->flush_cbk) tmp_cbk = ra_flush_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->flush"; _new->unwind_to = "ra_flush_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->flush); (this->children->xlator )->fops->flush (_new, (this->children->xlator), fd , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0); | |||||||
601 | return 0; | |||||||
602 | ||||||||
603 | unwind: | |||||||
604 | STACK_UNWIND_STRICT (flush, frame, -1, op_errno, NULL)do { fop_flush_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 604, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_flush_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0)); (*__glusterfs_this_location()) = old_THIS ; } while (0); | |||||||
605 | return 0; | |||||||
606 | } | |||||||
607 | ||||||||
608 | ||||||||
609 | int | |||||||
610 | ra_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync, | |||||||
611 | dict_t *xdata) | |||||||
612 | { | |||||||
613 | ra_file_t *file = NULL((void*)0); | |||||||
614 | uint64_t tmp_file = 0; | |||||||
615 | int32_t op_errno = EINVAL22; | |||||||
616 | ||||||||
617 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 617, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
618 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 618, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
619 | GF_VALIDATE_OR_GOTO (frame->this->name, fd, unwind)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 619, GF_LOG_ERROR, "invalid argument: " "fd"); } while (0); goto unwind ; } } while (0); | |||||||
620 | ||||||||
621 | fd_ctx_get (fd, this, &tmp_file); | |||||||
622 | ||||||||
623 | file = (ra_file_t *)(long)tmp_file; | |||||||
624 | if (file) { | |||||||
625 | flush_region (frame, file, 0, file->pages.prev->offset+1, 0); | |||||||
626 | } | |||||||
627 | ||||||||
628 | STACK_WIND (frame, ra_fsync_cbk, FIRST_CHILD (this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 629, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->fsync_cbk) tmp_cbk = ra_fsync_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->fsync"; _new->unwind_to = "ra_fsync_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->fsync); (this->children->xlator )->fops->fsync (_new, (this->children->xlator), fd , datasync, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0) | |||||||
629 | FIRST_CHILD (this)->fops->fsync, fd, datasync, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 629, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->fsync_cbk) tmp_cbk = ra_fsync_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->fsync"; _new->unwind_to = "ra_fsync_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->fsync); (this->children->xlator )->fops->fsync (_new, (this->children->xlator), fd , datasync, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0); | |||||||
630 | return 0; | |||||||
631 | ||||||||
632 | unwind: | |||||||
633 | STACK_UNWIND_STRICT (fsync, frame, -1, op_errno, NULL, NULL, NULL)do { fop_fsync_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 633, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_fsync_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), ((void*)0), ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
634 | return 0; | |||||||
635 | } | |||||||
636 | ||||||||
637 | ||||||||
638 | int | |||||||
639 | ra_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
640 | int32_t op_ret, int32_t op_errno, struct iatt *prebuf, | |||||||
641 | struct iatt *postbuf, dict_t *xdata) | |||||||
642 | { | |||||||
643 | ra_file_t *file = NULL((void*)0); | |||||||
644 | ||||||||
645 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 645, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
646 | ||||||||
647 | file = frame->local; | |||||||
648 | ||||||||
649 | if (file) { | |||||||
650 | flush_region (frame, file, 0, file->pages.prev->offset+1, 1); | |||||||
651 | } | |||||||
652 | ||||||||
653 | frame->local = NULL((void*)0); | |||||||
654 | STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, postbuf,do { fop_writev_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 655, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_writev_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, prebuf, postbuf, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
655 | xdata)do { fop_writev_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 655, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_writev_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, prebuf, postbuf, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
656 | return 0; | |||||||
657 | } | |||||||
658 | ||||||||
659 | ||||||||
660 | int | |||||||
661 | ra_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector, | |||||||
662 | int32_t count, off_t offset, uint32_t flags, struct iobref *iobref, | |||||||
663 | dict_t *xdata) | |||||||
664 | { | |||||||
665 | ra_file_t *file = NULL((void*)0); | |||||||
666 | uint64_t tmp_file = 0; | |||||||
667 | int32_t op_errno = EINVAL22; | |||||||
668 | ||||||||
669 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 669, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
670 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 670, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
671 | GF_VALIDATE_OR_GOTO (frame->this->name, fd, unwind)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 671, GF_LOG_ERROR, "invalid argument: " "fd"); } while (0); goto unwind ; } } while (0); | |||||||
672 | ||||||||
673 | fd_ctx_get (fd, this, &tmp_file); | |||||||
674 | file = (ra_file_t *)(long)tmp_file; | |||||||
675 | if (file) { | |||||||
676 | flush_region (frame, file, 0, file->pages.prev->offset+1, 1); | |||||||
677 | frame->local = file; | |||||||
678 | /* reset the read-ahead counters too */ | |||||||
679 | file->expected = file->page_count = 0; | |||||||
680 | } | |||||||
681 | ||||||||
682 | STACK_WIND (frame, ra_writev_cbk,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 685, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->writev_cbk) tmp_cbk = ra_writev_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->writev"; _new->unwind_to = "ra_writev_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->writev); (this->children->xlator )->fops->writev (_new, (this->children->xlator), fd , vector, count, offset, flags, iobref, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
683 | FIRST_CHILD(this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 685, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->writev_cbk) tmp_cbk = ra_writev_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->writev"; _new->unwind_to = "ra_writev_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->writev); (this->children->xlator )->fops->writev (_new, (this->children->xlator), fd , vector, count, offset, flags, iobref, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
684 | FIRST_CHILD(this)->fops->writev,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 685, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->writev_cbk) tmp_cbk = ra_writev_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->writev"; _new->unwind_to = "ra_writev_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->writev); (this->children->xlator )->fops->writev (_new, (this->children->xlator), fd , vector, count, offset, flags, iobref, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
685 | fd, vector, count, offset, flags, iobref, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 685, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->writev_cbk) tmp_cbk = ra_writev_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD(this)->fops->writev"; _new->unwind_to = "ra_writev_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->writev); (this->children->xlator )->fops->writev (_new, (this->children->xlator), fd , vector, count, offset, flags, iobref, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
686 | ||||||||
687 | return 0; | |||||||
688 | ||||||||
689 | unwind: | |||||||
690 | STACK_UNWIND_STRICT (writev, frame, -1, op_errno, NULL, NULL, NULL)do { fop_writev_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 690, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_writev_cbk_t )frame->ret ; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), ((void*)0), ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
691 | return 0; | |||||||
692 | } | |||||||
693 | ||||||||
694 | ||||||||
695 | int | |||||||
696 | ra_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
697 | int32_t op_ret, int32_t op_errno, struct iatt *prebuf, | |||||||
698 | struct iatt *postbuf, dict_t *xdata) | |||||||
699 | { | |||||||
700 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 700, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
701 | ||||||||
702 | STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno, prebuf,do { fop_truncate_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 703, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_truncate_cbk_t )frame-> ret; _parent = frame->parent; pthread_spin_lock (&frame ->root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, prebuf, postbuf, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0) | |||||||
703 | postbuf, xdata)do { fop_truncate_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 703, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_truncate_cbk_t )frame-> ret; _parent = frame->parent; pthread_spin_lock (&frame ->root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, prebuf, postbuf, xdata); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
704 | return 0; | |||||||
705 | } | |||||||
706 | ||||||||
707 | ||||||||
708 | int | |||||||
709 | ra_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, | |||||||
710 | int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) | |||||||
711 | { | |||||||
712 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 712, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
713 | ||||||||
714 | STACK_UNWIND_STRICT (stat, frame, op_ret, op_errno, buf, xdata)do { fop_stat_cbk_t fn = ((void*)0); call_frame_t *_parent = ( (void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 714, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_stat_cbk_t )frame->ret; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, op_ret , op_errno, buf, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0); | |||||||
715 | return 0; | |||||||
716 | } | |||||||
717 | ||||||||
718 | ||||||||
719 | int | |||||||
720 | ra_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, | |||||||
721 | dict_t *xdata) | |||||||
722 | { | |||||||
723 | ra_file_t *file = NULL((void*)0); | |||||||
724 | fd_t *iter_fd = NULL((void*)0); | |||||||
725 | inode_t *inode = NULL((void*)0); | |||||||
726 | uint64_t tmp_file = 0; | |||||||
727 | int32_t op_errno = EINVAL22; | |||||||
728 | ||||||||
729 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 729, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
730 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 730, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
731 | GF_VALIDATE_OR_GOTO (frame->this->name, loc, unwind)do { if (!loc) { (*__errno_location ()) = 22; do { do { if (0 ) printf ("invalid argument: " "loc"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 731, GF_LOG_ERROR, "invalid argument: " "loc"); } while (0); goto unwind; } } while (0); | |||||||
732 | ||||||||
733 | inode = loc->inode; | |||||||
734 | ||||||||
735 | LOCK (&inode->lock)pthread_spin_lock (&inode->lock); | |||||||
736 | { | |||||||
737 | list_for_each_entry (iter_fd, &inode->fd_list, inode_list)for (iter_fd = ((typeof(*iter_fd) *)((char *)((&inode-> fd_list)->next)-(unsigned long)(&((typeof(*iter_fd) *) 0)->inode_list))); &iter_fd->inode_list != (&inode ->fd_list); iter_fd = ((typeof(*iter_fd) *)((char *)(iter_fd ->inode_list.next)-(unsigned long)(&((typeof(*iter_fd) *)0)->inode_list)))) { | |||||||
738 | fd_ctx_get (iter_fd, this, &tmp_file); | |||||||
739 | file = (ra_file_t *)(long)tmp_file; | |||||||
740 | ||||||||
741 | if (!file) | |||||||
742 | continue; | |||||||
743 | /* | |||||||
744 | * Truncation invalidates reads just like writing does. | |||||||
745 | * TBD: this seems to flush more than it should. The | |||||||
746 | * only time we should flush at all is when we're | |||||||
747 | * shortening (not lengthening) the file, and then only | |||||||
748 | * from new EOF to old EOF. The same problem exists in | |||||||
749 | * ra_ftruncate. | |||||||
750 | */ | |||||||
751 | flush_region (frame, file, 0, | |||||||
752 | file->pages.prev->offset + 1, 1); | |||||||
753 | } | |||||||
754 | } | |||||||
755 | UNLOCK (&inode->lock)pthread_spin_unlock (&inode->lock); | |||||||
756 | ||||||||
757 | STACK_WIND (frame, ra_truncate_cbk,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 760, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->truncate_cbk) tmp_cbk = ra_truncate_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->truncate" ; _new->unwind_to = "ra_truncate_cbk"; pthread_spin_init ( &_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->truncate); (this->children->xlator )->fops->truncate (_new, (this->children->xlator) , loc, offset, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0) | |||||||
758 | FIRST_CHILD (this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 760, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->truncate_cbk) tmp_cbk = ra_truncate_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->truncate" ; _new->unwind_to = "ra_truncate_cbk"; pthread_spin_init ( &_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->truncate); (this->children->xlator )->fops->truncate (_new, (this->children->xlator) , loc, offset, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0) | |||||||
759 | FIRST_CHILD (this)->fops->truncate,do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 760, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->truncate_cbk) tmp_cbk = ra_truncate_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->truncate" ; _new->unwind_to = "ra_truncate_cbk"; pthread_spin_init ( &_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->truncate); (this->children->xlator )->fops->truncate (_new, (this->children->xlator) , loc, offset, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0) | |||||||
760 | loc, offset, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 760, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->truncate_cbk) tmp_cbk = ra_truncate_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->truncate" ; _new->unwind_to = "ra_truncate_cbk"; pthread_spin_init ( &_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->truncate); (this->children->xlator )->fops->truncate (_new, (this->children->xlator) , loc, offset, xdata); (*__glusterfs_this_location()) = old_THIS ; } while (0); | |||||||
761 | return 0; | |||||||
762 | ||||||||
763 | unwind: | |||||||
764 | STACK_UNWIND_STRICT (truncate, frame, -1, op_errno, NULL, NULL, NULL)do { fop_truncate_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 764, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_truncate_cbk_t )frame-> ret; _parent = frame->parent; pthread_spin_lock (&frame ->root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), ((void*)0), ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
765 | return 0; | |||||||
766 | } | |||||||
767 | ||||||||
768 | ||||||||
769 | void | |||||||
770 | ra_page_dump (struct ra_page *page) | |||||||
771 | { | |||||||
772 | int i = 0; | |||||||
773 | call_frame_t *frame = NULL((void*)0); | |||||||
774 | char key[GF_DUMP_MAX_BUF_LEN4096] = {0, }; | |||||||
775 | ra_waitq_t *trav = NULL((void*)0); | |||||||
776 | ||||||||
777 | if (page == NULL((void*)0)) { | |||||||
778 | goto out; | |||||||
779 | } | |||||||
780 | ||||||||
781 | gf_proc_dump_write ("offset", "%"PRId64"ll" "d", page->offset); | |||||||
782 | ||||||||
783 | gf_proc_dump_write ("size", "%"PRId64"ll" "d", page->size); | |||||||
784 | ||||||||
785 | gf_proc_dump_write ("dirty", "%s", page->dirty ? "yes" : "no"); | |||||||
786 | ||||||||
787 | gf_proc_dump_write ("poisoned", "%s", page->poisoned ? "yes" : "no"); | |||||||
788 | ||||||||
789 | gf_proc_dump_write ("ready", "%s", page->ready ? "yes" : "no"); | |||||||
790 | ||||||||
791 | for (trav = page->waitq; trav; trav = trav->next) { | |||||||
792 | frame = trav->data; | |||||||
793 | sprintf (key, "waiting-frame[%d]", i++); | |||||||
794 | gf_proc_dump_write (key, "%"PRId64"ll" "d", frame->root->unique); | |||||||
795 | } | |||||||
796 | ||||||||
797 | out: | |||||||
798 | return; | |||||||
799 | } | |||||||
800 | ||||||||
801 | int32_t | |||||||
802 | ra_fdctx_dump (xlator_t *this, fd_t *fd) | |||||||
803 | { | |||||||
804 | ra_file_t *file = NULL((void*)0); | |||||||
805 | ra_page_t *page = NULL((void*)0); | |||||||
806 | int32_t ret = 0, i = 0; | |||||||
807 | uint64_t tmp_file = 0; | |||||||
808 | char *path = NULL((void*)0); | |||||||
809 | char key[GF_DUMP_MAX_BUF_LEN4096] = {0, }; | |||||||
810 | char key_prefix[GF_DUMP_MAX_BUF_LEN4096] = {0, }; | |||||||
811 | ||||||||
812 | fd_ctx_get (fd, this, &tmp_file); | |||||||
813 | file = (ra_file_t *)(long)tmp_file; | |||||||
814 | ||||||||
815 | if (file == NULL((void*)0)) { | |||||||
816 | ret = 0; | |||||||
817 | goto out; | |||||||
818 | } | |||||||
819 | ||||||||
820 | gf_proc_dump_build_key (key_prefix,{ _gf_proc_dump_build_key(key_prefix, "xlator.performance.read-ahead" , "file"); } | |||||||
821 | "xlator.performance.read-ahead",{ _gf_proc_dump_build_key(key_prefix, "xlator.performance.read-ahead" , "file"); } | |||||||
822 | "file"){ _gf_proc_dump_build_key(key_prefix, "xlator.performance.read-ahead" , "file"); }; | |||||||
823 | ||||||||
824 | gf_proc_dump_add_section (key_prefix); | |||||||
825 | ||||||||
826 | ret = __inode_path (fd->inode, NULL((void*)0), &path); | |||||||
827 | if (path != NULL((void*)0)) { | |||||||
828 | gf_proc_dump_write ("path", "%s", path); | |||||||
829 | GF_FREE (path)__gf_free (path); | |||||||
830 | } | |||||||
831 | ||||||||
832 | gf_proc_dump_write ("fd", "%p", fd); | |||||||
833 | ||||||||
834 | gf_proc_dump_write ("disabled", "%s", file->disabled ? "yes" : "no"); | |||||||
835 | ||||||||
836 | if (file->disabled) { | |||||||
837 | ret = 0; | |||||||
838 | goto out; | |||||||
839 | } | |||||||
840 | ||||||||
841 | gf_proc_dump_write ("page-size", "%"PRId64"ll" "d", file->page_size); | |||||||
842 | ||||||||
843 | gf_proc_dump_write ("page-count", "%u", file->page_count); | |||||||
844 | ||||||||
845 | gf_proc_dump_write ("next-expected-offset-for-sequential-reads", | |||||||
846 | "%"PRId64"ll" "d", file->offset); | |||||||
847 | ||||||||
848 | for (page = file->pages.next; page != &file->pages; | |||||||
849 | page = page->next) { | |||||||
850 | sprintf (key, "page[%d]", i); | |||||||
851 | gf_proc_dump_write (key, "%p", page[i++]); | |||||||
852 | ra_page_dump (page); | |||||||
853 | } | |||||||
854 | ||||||||
855 | ret = 0; | |||||||
856 | out: | |||||||
857 | return ret; | |||||||
858 | } | |||||||
859 | ||||||||
860 | int | |||||||
861 | ra_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) | |||||||
862 | { | |||||||
863 | ra_file_t *file = NULL((void*)0); | |||||||
864 | fd_t *iter_fd = NULL((void*)0); | |||||||
865 | inode_t *inode = NULL((void*)0); | |||||||
866 | uint64_t tmp_file = 0; | |||||||
867 | int32_t op_errno = EINVAL22; | |||||||
868 | ||||||||
869 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 869, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
870 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 870, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
871 | GF_VALIDATE_OR_GOTO (frame->this->name, fd, unwind)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 871, GF_LOG_ERROR, "invalid argument: " "fd"); } while (0); goto unwind ; } } while (0); | |||||||
872 | ||||||||
873 | inode = fd->inode; | |||||||
874 | ||||||||
875 | LOCK (&inode->lock)pthread_spin_lock (&inode->lock); | |||||||
876 | { | |||||||
877 | list_for_each_entry (iter_fd, &inode->fd_list, inode_list)for (iter_fd = ((typeof(*iter_fd) *)((char *)((&inode-> fd_list)->next)-(unsigned long)(&((typeof(*iter_fd) *) 0)->inode_list))); &iter_fd->inode_list != (&inode ->fd_list); iter_fd = ((typeof(*iter_fd) *)((char *)(iter_fd ->inode_list.next)-(unsigned long)(&((typeof(*iter_fd) *)0)->inode_list)))) { | |||||||
878 | fd_ctx_get (iter_fd, this, &tmp_file); | |||||||
879 | file = (ra_file_t *)(long)tmp_file; | |||||||
880 | ||||||||
881 | if (!file) | |||||||
882 | continue; | |||||||
883 | flush_region (frame, file, 0, | |||||||
884 | file->pages.prev->offset + 1, 0); | |||||||
885 | } | |||||||
886 | } | |||||||
887 | UNLOCK (&inode->lock)pthread_spin_unlock (&inode->lock); | |||||||
888 | ||||||||
889 | STACK_WIND (frame, ra_attr_cbk, FIRST_CHILD (this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 890, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->fstat_cbk) tmp_cbk = ra_attr_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->fstat"; _new->unwind_to = "ra_attr_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->fstat); (this->children->xlator )->fops->fstat (_new, (this->children->xlator), fd , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0) | |||||||
890 | FIRST_CHILD (this)->fops->fstat, fd, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 890, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->fstat_cbk) tmp_cbk = ra_attr_cbk; _new ->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->fstat"; _new->unwind_to = "ra_attr_cbk"; pthread_spin_init (& _new->lock, 0); pthread_spin_lock (&frame->root-> stack_lock); { _new->next = frame->root->frames.next ; _new->prev = &frame->root->frames; if (frame-> root->frames.next) frame->root->frames.next->prev = _new; frame->root->frames.next = _new; frame->ref_count ++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->fstat); (this->children->xlator )->fops->fstat (_new, (this->children->xlator), fd , xdata); (*__glusterfs_this_location()) = old_THIS; } while ( 0); | |||||||
891 | return 0; | |||||||
892 | ||||||||
893 | unwind: | |||||||
894 | STACK_UNWIND_STRICT (stat, frame, -1, op_errno, NULL, NULL)do { fop_stat_cbk_t fn = ((void*)0); call_frame_t *_parent = ( (void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 894, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_stat_cbk_t )frame->ret; _parent = frame->parent; pthread_spin_lock (&frame-> root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
895 | return 0; | |||||||
896 | } | |||||||
897 | ||||||||
898 | ||||||||
899 | int | |||||||
900 | ra_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, | |||||||
901 | dict_t *xdata) | |||||||
902 | { | |||||||
903 | ra_file_t *file = NULL((void*)0); | |||||||
904 | fd_t *iter_fd = NULL((void*)0); | |||||||
905 | inode_t *inode = NULL((void*)0); | |||||||
906 | uint64_t tmp_file = 0; | |||||||
907 | int32_t op_errno = EINVAL22; | |||||||
908 | ||||||||
909 | GF_ASSERT (frame)do { if (!(frame)) { do { do { if (0) printf ("Assertion failed: " "frame"); } while (0); _gf_log_callingfn ("", "read-ahead.c" , __FUNCTION__, 909, GF_LOG_ERROR, "Assertion failed: " "frame" ); } while (0); } } while (0); | |||||||
910 | GF_VALIDATE_OR_GOTO (frame->this->name, this, unwind)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 910, GF_LOG_ERROR, "invalid argument: " "this"); } while (0); goto unwind; } } while (0); | |||||||
911 | GF_VALIDATE_OR_GOTO (frame->this->name, fd, unwind)do { if (!fd) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "fd"); } while (0); _gf_log_callingfn (frame->this->name, "read-ahead.c", __FUNCTION__, 911, GF_LOG_ERROR, "invalid argument: " "fd"); } while (0); goto unwind ; } } while (0); | |||||||
912 | ||||||||
913 | inode = fd->inode; | |||||||
914 | ||||||||
915 | LOCK (&inode->lock)pthread_spin_lock (&inode->lock); | |||||||
916 | { | |||||||
917 | list_for_each_entry (iter_fd, &inode->fd_list, inode_list)for (iter_fd = ((typeof(*iter_fd) *)((char *)((&inode-> fd_list)->next)-(unsigned long)(&((typeof(*iter_fd) *) 0)->inode_list))); &iter_fd->inode_list != (&inode ->fd_list); iter_fd = ((typeof(*iter_fd) *)((char *)(iter_fd ->inode_list.next)-(unsigned long)(&((typeof(*iter_fd) *)0)->inode_list)))) { | |||||||
918 | fd_ctx_get (iter_fd, this, &tmp_file); | |||||||
919 | file = (ra_file_t *)(long)tmp_file; | |||||||
920 | if (!file) | |||||||
921 | continue; | |||||||
922 | /* | |||||||
923 | * Truncation invalidates reads just like writing does. | |||||||
924 | * TBD: this seems to flush more than it should. The | |||||||
925 | * only time we should flush at all is when we're | |||||||
926 | * shortening (not lengthening) the file, and then only | |||||||
927 | * from new EOF to old EOF. The same problem exists in | |||||||
928 | * ra_truncate. | |||||||
929 | */ | |||||||
930 | flush_region (frame, file, 0, | |||||||
931 | file->pages.prev->offset + 1, 1); | |||||||
932 | } | |||||||
933 | } | |||||||
934 | UNLOCK (&inode->lock)pthread_spin_unlock (&inode->lock); | |||||||
935 | ||||||||
936 | STACK_WIND (frame, ra_truncate_cbk, FIRST_CHILD (this),do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 937, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->ftruncate_cbk) tmp_cbk = ra_truncate_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->ftruncate" ; _new->unwind_to = "ra_truncate_cbk"; pthread_spin_init ( &_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->ftruncate); (this->children-> xlator)->fops->ftruncate (_new, (this->children-> xlator), fd, offset, xdata); (*__glusterfs_this_location()) = old_THIS; } while (0) | |||||||
937 | FIRST_CHILD (this)->fops->ftruncate, fd, offset, xdata)do { call_frame_t *_new = ((void*)0); xlator_t *old_THIS = (( void*)0); _new = mem_get0 (frame->root->pool->frame_mem_pool ); if (!_new) { do { do { if (0) printf ("alloc failed"); } while (0); _gf_log ("stack", "read-ahead.c", __FUNCTION__, 937, GF_LOG_ERROR , "alloc failed"); } while (0); break; } typeof( (this->children ->xlator)->fops->ftruncate_cbk) tmp_cbk = ra_truncate_cbk ; _new->root = frame->root; _new->this = (this->children ->xlator); _new->ret = (ret_fn_t) tmp_cbk; _new->parent = frame; _new->cookie = _new; _new->wind_from = __FUNCTION__ ; _new->wind_to = "FIRST_CHILD (this)->fops->ftruncate" ; _new->unwind_to = "ra_truncate_cbk"; pthread_spin_init ( &_new->lock, 0); pthread_spin_lock (&frame->root ->stack_lock); { _new->next = frame->root->frames .next; _new->prev = &frame->root->frames; if (frame ->root->frames.next) frame->root->frames.next-> prev = _new; frame->root->frames.next = _new; frame-> ref_count++; } pthread_spin_unlock (&frame->root->stack_lock ); old_THIS = (*__glusterfs_this_location()); (*__glusterfs_this_location ()) = (this->children->xlator); if (frame->this-> ctx->measure_latency) gf_latency_begin (_new, (this->children ->xlator)->fops->ftruncate); (this->children-> xlator)->fops->ftruncate (_new, (this->children-> xlator), fd, offset, xdata); (*__glusterfs_this_location()) = old_THIS; } while (0); | |||||||
938 | return 0; | |||||||
939 | ||||||||
940 | unwind: | |||||||
941 | STACK_UNWIND_STRICT (truncate, frame, -1, op_errno, NULL, NULL, NULL)do { fop_truncate_cbk_t fn = ((void*)0); call_frame_t *_parent = ((void*)0); xlator_t *old_THIS = ((void*)0); if (!frame) { do { do { if (0) printf ("!frame"); } while (0); _gf_log ("stack" , "read-ahead.c", __FUNCTION__, 941, GF_LOG_CRITICAL, "!frame" ); } while (0); break; } fn = (fop_truncate_cbk_t )frame-> ret; _parent = frame->parent; pthread_spin_lock (&frame ->root->stack_lock); { _parent->ref_count--; } pthread_spin_unlock (&frame->root->stack_lock); old_THIS = (*__glusterfs_this_location ()); (*__glusterfs_this_location()) = _parent->this; frame ->complete = _gf_true; frame->unwind_from = __FUNCTION__ ; if (frame->this->ctx->measure_latency) gf_latency_end (frame); fn (_parent, frame->cookie, _parent->this, -1 , op_errno, ((void*)0), ((void*)0), ((void*)0)); (*__glusterfs_this_location ()) = old_THIS; } while (0); | |||||||
942 | return 0; | |||||||
943 | } | |||||||
944 | ||||||||
945 | ||||||||
946 | int | |||||||
947 | ra_priv_dump (xlator_t *this) | |||||||
948 | { | |||||||
949 | ra_conf_t *conf = NULL((void*)0); | |||||||
950 | int ret = -1; | |||||||
951 | char key_prefix[GF_DUMP_MAX_BUF_LEN4096] = {0, }; | |||||||
952 | gf_boolean_t add_section = _gf_false; | |||||||
953 | ||||||||
954 | if (!this) { | |||||||
955 | goto out; | |||||||
956 | } | |||||||
957 | ||||||||
958 | conf = this->private; | |||||||
959 | if (!conf) { | |||||||
960 | gf_log (this->name, GF_LOG_WARNING, "conf null in xlator")do { do { if (0) printf ("conf null in xlator"); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__, 960, GF_LOG_WARNING , "conf null in xlator"); } while (0); | |||||||
961 | goto out; | |||||||
962 | } | |||||||
963 | ||||||||
964 | gf_proc_dump_build_key (key_prefix, "xlator.performance.read-ahead",{ _gf_proc_dump_build_key(key_prefix, "xlator.performance.read-ahead" , "priv"); } | |||||||
965 | "priv"){ _gf_proc_dump_build_key(key_prefix, "xlator.performance.read-ahead" , "priv"); }; | |||||||
966 | ||||||||
967 | gf_proc_dump_add_section (key_prefix); | |||||||
968 | add_section = _gf_true; | |||||||
969 | ||||||||
970 | ret = pthread_mutex_trylock (&conf->conf_lock); | |||||||
971 | if (ret) | |||||||
972 | goto out; | |||||||
973 | { | |||||||
974 | gf_proc_dump_write ("page_size", "%d", conf->page_size); | |||||||
975 | gf_proc_dump_write ("page_count", "%d", conf->page_count); | |||||||
976 | gf_proc_dump_write ("force_atime_update", "%d", | |||||||
977 | conf->force_atime_update); | |||||||
978 | } | |||||||
979 | pthread_mutex_unlock (&conf->conf_lock); | |||||||
980 | ||||||||
981 | ret = 0; | |||||||
982 | out: | |||||||
983 | if (ret && conf) { | |||||||
984 | if (add_section == _gf_false) | |||||||
985 | gf_proc_dump_add_section (key_prefix); | |||||||
986 | ||||||||
987 | gf_proc_dump_write ("Unable to dump priv", | |||||||
988 | "(Lock acquisition failed) %s", this->name); | |||||||
989 | } | |||||||
990 | return ret; | |||||||
991 | } | |||||||
992 | ||||||||
993 | ||||||||
994 | int32_t | |||||||
995 | mem_acct_init (xlator_t *this) | |||||||
996 | { | |||||||
997 | int ret = -1; | |||||||
998 | ||||||||
999 | if (!this) { | |||||||
1000 | goto out; | |||||||
1001 | } | |||||||
1002 | ||||||||
1003 | ret = xlator_mem_acct_init (this, gf_ra_mt_end + 1); | |||||||
1004 | ||||||||
1005 | if (ret != 0) { | |||||||
1006 | gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"do { do { if (0) printf ("Memory accounting init" "failed"); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 1007, GF_LOG_ERROR, "Memory accounting init" "failed"); } while (0) | |||||||
1007 | "failed")do { do { if (0) printf ("Memory accounting init" "failed"); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 1007, GF_LOG_ERROR, "Memory accounting init" "failed"); } while (0); | |||||||
1008 | } | |||||||
1009 | ||||||||
1010 | out: | |||||||
1011 | return ret; | |||||||
1012 | } | |||||||
1013 | ||||||||
1014 | int | |||||||
1015 | reconfigure (xlator_t *this, dict_t *options) | |||||||
1016 | { | |||||||
1017 | ra_conf_t *conf = NULL((void*)0); | |||||||
1018 | int ret = -1; | |||||||
1019 | ||||||||
1020 | GF_VALIDATE_OR_GOTO ("read-ahead", this, out)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c", __FUNCTION__, 1020, GF_LOG_ERROR , "invalid argument: " "this"); } while (0); goto out; } } while (0); | |||||||
1021 | GF_VALIDATE_OR_GOTO ("read-ahead", this->private, out)do { if (!this->private) { (*__errno_location ()) = 22; do { do { if (0) printf ("invalid argument: " "this->private" ); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c" , __FUNCTION__, 1021, GF_LOG_ERROR, "invalid argument: " "this->private" ); } while (0); goto out; } } while (0); | |||||||
1022 | ||||||||
1023 | conf = this->private; | |||||||
1024 | ||||||||
1025 | GF_OPTION_RECONF ("page-count", conf->page_count, options, uint32, out)do { int val_ret = 0; val_ret = xlator_option_reconf_uint32 ( (*__glusterfs_this_location()), options, "page-count", &( conf->page_count)); if (val_ret) goto out; } while (0); | |||||||
1026 | ||||||||
1027 | GF_OPTION_RECONF ("page-size", conf->page_size, options, size, out)do { int val_ret = 0; val_ret = xlator_option_reconf_size ((* __glusterfs_this_location()), options, "page-size", &(conf ->page_size)); if (val_ret) goto out; } while (0); | |||||||
1028 | ||||||||
1029 | ret = 0; | |||||||
1030 | out: | |||||||
1031 | return ret; | |||||||
1032 | } | |||||||
1033 | ||||||||
1034 | int | |||||||
1035 | init (xlator_t *this) | |||||||
1036 | { | |||||||
1037 | ra_conf_t *conf = NULL((void*)0); | |||||||
1038 | int32_t ret = -1; | |||||||
1039 | ||||||||
1040 | GF_VALIDATE_OR_GOTO ("read-ahead", this, out)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c", __FUNCTION__, 1040, GF_LOG_ERROR , "invalid argument: " "this"); } while (0); goto out; } } while (0); | |||||||
1041 | ||||||||
1042 | if (!this->children || this->children->next) { | |||||||
1043 | gf_log (this->name, GF_LOG_ERROR,do { do { if (0) printf ("FATAL: read-ahead not configured with exactly one" " child"); } while (0); _gf_log (this->name, "read-ahead.c" , __FUNCTION__, 1045, GF_LOG_ERROR, "FATAL: read-ahead not configured with exactly one" " child"); } while (0) | |||||||
1044 | "FATAL: read-ahead not configured with exactly one"do { do { if (0) printf ("FATAL: read-ahead not configured with exactly one" " child"); } while (0); _gf_log (this->name, "read-ahead.c" , __FUNCTION__, 1045, GF_LOG_ERROR, "FATAL: read-ahead not configured with exactly one" " child"); } while (0) | |||||||
1045 | " child")do { do { if (0) printf ("FATAL: read-ahead not configured with exactly one" " child"); } while (0); _gf_log (this->name, "read-ahead.c" , __FUNCTION__, 1045, GF_LOG_ERROR, "FATAL: read-ahead not configured with exactly one" " child"); } while (0); | |||||||
1046 | goto out; | |||||||
1047 | } | |||||||
1048 | ||||||||
1049 | if (!this->parents) { | |||||||
1050 | gf_log (this->name, GF_LOG_WARNING,do { do { if (0) printf ("dangling volume. check volfile "); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 1051, GF_LOG_WARNING, "dangling volume. check volfile "); } while (0) | |||||||
1051 | "dangling volume. check volfile ")do { do { if (0) printf ("dangling volume. check volfile "); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 1051, GF_LOG_WARNING, "dangling volume. check volfile "); } while (0); | |||||||
1052 | } | |||||||
1053 | ||||||||
1054 | conf = (void *) GF_CALLOC (1, sizeof (*conf), gf_ra_mt_ra_conf_t)__gf_calloc (1, sizeof (*conf), gf_ra_mt_ra_conf_t); | |||||||
1055 | if (conf == NULL((void*)0)) { | |||||||
1056 | goto out; | |||||||
1057 | } | |||||||
1058 | ||||||||
1059 | conf->page_size = this->ctx->page_size; | |||||||
1060 | ||||||||
1061 | GF_OPTION_INIT ("page-size", conf->page_size, size, out)do { int val_ret = 0; val_ret = xlator_option_init_size ((*__glusterfs_this_location ()), (*__glusterfs_this_location())->options, "page-size", &(conf->page_size)); if (val_ret) goto out; } while ( 0); | |||||||
1062 | ||||||||
1063 | GF_OPTION_INIT ("page-count", conf->page_count, uint32, out)do { int val_ret = 0; val_ret = xlator_option_init_uint32 ((* __glusterfs_this_location()), (*__glusterfs_this_location())-> options, "page-count", &(conf->page_count)); if (val_ret ) goto out; } while (0); | |||||||
1064 | ||||||||
1065 | GF_OPTION_INIT ("force-atime-update", conf->force_atime_update, bool, out)do { int val_ret = 0; val_ret = xlator_option_init_bool ((*__glusterfs_this_location ()), (*__glusterfs_this_location())->options, "force-atime-update" , &(conf->force_atime_update)); if (val_ret) goto out; } while (0); | |||||||
1066 | ||||||||
1067 | conf->files.next = &conf->files; | |||||||
1068 | conf->files.prev = &conf->files; | |||||||
1069 | ||||||||
1070 | pthread_mutex_init (&conf->conf_lock, NULL((void*)0)); | |||||||
1071 | ||||||||
1072 | this->local_pool = mem_pool_new (ra_local_t, 64)mem_pool_new_fn (sizeof(ra_local_t), 64, "ra_local_t"); | |||||||
1073 | if (!this->local_pool) { | |||||||
1074 | ret = -1; | |||||||
1075 | gf_log (this->name, GF_LOG_ERROR,do { do { if (0) printf ("failed to create local_t's memory pool" ); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 1076, GF_LOG_ERROR, "failed to create local_t's memory pool" ); } while (0) | |||||||
1076 | "failed to create local_t's memory pool")do { do { if (0) printf ("failed to create local_t's memory pool" ); } while (0); _gf_log (this->name, "read-ahead.c", __FUNCTION__ , 1076, GF_LOG_ERROR, "failed to create local_t's memory pool" ); } while (0); | |||||||
1077 | goto out; | |||||||
1078 | } | |||||||
1079 | ||||||||
1080 | this->private = conf; | |||||||
1081 | ret = 0; | |||||||
1082 | ||||||||
1083 | out: | |||||||
1084 | if (ret == -1) { | |||||||
1085 | GF_FREE (conf)__gf_free (conf); | |||||||
1086 | } | |||||||
1087 | ||||||||
1088 | return ret; | |||||||
1089 | } | |||||||
1090 | ||||||||
1091 | ||||||||
1092 | void | |||||||
1093 | fini (xlator_t *this) | |||||||
1094 | { | |||||||
1095 | ra_conf_t *conf = NULL((void*)0); | |||||||
1096 | ||||||||
1097 | GF_VALIDATE_OR_GOTO ("read-ahead", this, out)do { if (!this) { (*__errno_location ()) = 22; do { do { if ( 0) printf ("invalid argument: " "this"); } while (0); _gf_log_callingfn ("read-ahead", "read-ahead.c", __FUNCTION__, 1097, GF_LOG_ERROR , "invalid argument: " "this"); } while (0); goto out; } } while (0); | |||||||
1098 | ||||||||
1099 | conf = this->private; | |||||||
1100 | if (conf == NULL((void*)0)) { | |||||||
1101 | goto out; | |||||||
1102 | } | |||||||
1103 | ||||||||
1104 | this->private = NULL((void*)0); | |||||||
1105 | ||||||||
1106 | GF_ASSERT ((conf->files.next == &conf->files)do { if (!((conf->files.next == &conf->files) && (conf->files.prev == &conf->files))) { do { do { if (0) printf ("Assertion failed: " "(conf->files.next == &conf->files) && (conf->files.prev == &conf->files)" ); } while (0); _gf_log_callingfn ("", "read-ahead.c", __FUNCTION__ , 1107, GF_LOG_ERROR, "Assertion failed: " "(conf->files.next == &conf->files) && (conf->files.prev == &conf->files)" ); } while (0); } } while (0) | |||||||
1107 | && (conf->files.prev == &conf->files))do { if (!((conf->files.next == &conf->files) && (conf->files.prev == &conf->files))) { do { do { if (0) printf ("Assertion failed: " "(conf->files.next == &conf->files) && (conf->files.prev == &conf->files)" ); } while (0); _gf_log_callingfn ("", "read-ahead.c", __FUNCTION__ , 1107, GF_LOG_ERROR, "Assertion failed: " "(conf->files.next == &conf->files) && (conf->files.prev == &conf->files)" ); } while (0); } } while (0); | |||||||
1108 | ||||||||
1109 | pthread_mutex_destroy (&conf->conf_lock); | |||||||
1110 | GF_FREE (conf)__gf_free (conf); | |||||||
1111 | ||||||||
1112 | out: | |||||||
1113 | return; | |||||||
1114 | } | |||||||
1115 | ||||||||
1116 | struct xlator_fops fops = { | |||||||
1117 | .open = ra_open, | |||||||
1118 | .create = ra_create, | |||||||
1119 | .readv = ra_readv, | |||||||
1120 | .writev = ra_writev, | |||||||
1121 | .flush = ra_flush, | |||||||
1122 | .fsync = ra_fsync, | |||||||
1123 | .truncate = ra_truncate, | |||||||
1124 | .ftruncate = ra_ftruncate, | |||||||
1125 | .fstat = ra_fstat, | |||||||
1126 | }; | |||||||
1127 | ||||||||
1128 | struct xlator_cbks cbks = { | |||||||
1129 | .release = ra_release, | |||||||
1130 | }; | |||||||
1131 | ||||||||
1132 | struct xlator_dumpops dumpops = { | |||||||
1133 | .priv = ra_priv_dump, | |||||||
1134 | .fdctx = ra_fdctx_dump, | |||||||
1135 | }; | |||||||
1136 | ||||||||
1137 | struct volume_options options[] = { | |||||||
1138 | { .key = {"force-atime-update"}, | |||||||
1139 | .type = GF_OPTION_TYPE_BOOL, | |||||||
1140 | .default_value = "false" | |||||||
1141 | }, | |||||||
1142 | { .key = {"page-count"}, | |||||||
1143 | .type = GF_OPTION_TYPE_INT, | |||||||
1144 | .min = 1, | |||||||
1145 | .max = 16, | |||||||
1146 | .default_value = "4", | |||||||
1147 | .description = "Number of pages that will be pre-fetched" | |||||||
1148 | }, | |||||||
1149 | { .key = {"page-size"}, | |||||||
1150 | .type = GF_OPTION_TYPE_SIZET, | |||||||
1151 | .min = 4096, | |||||||
1152 | .max = 1048576 * 64, | |||||||
1153 | .default_value = "131072", | |||||||
1154 | .description = "Page size with which read-ahead performs server I/O" | |||||||
1155 | }, | |||||||
1156 | { .key = {NULL((void*)0)} }, | |||||||
1157 | }; |