File: | xlators/performance/read-ahead/src/read-ahead.c |
Location: | line 677, column 30 |
Description: | Access to field 'local' results in a dereference of a null pointer (loaded from variable 'frame') |
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 | }; |