diff options
Diffstat (limited to 'fs/dlm')
-rw-r--r-- | fs/dlm/debug_fs.c | 82 | ||||
-rw-r--r-- | fs/dlm/dlm_internal.h | 2 |
2 files changed, 43 insertions, 41 deletions
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index 9f5de37706a9..12c3bfd5e660 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c | |||
@@ -27,7 +27,7 @@ static struct dentry *dlm_root; | |||
27 | 27 | ||
28 | struct rsb_iter { | 28 | struct rsb_iter { |
29 | int entry; | 29 | int entry; |
30 | int master; | 30 | int locks; |
31 | int header; | 31 | int header; |
32 | struct dlm_ls *ls; | 32 | struct dlm_ls *ls; |
33 | struct list_head *next; | 33 | struct list_head *next; |
@@ -60,8 +60,8 @@ static char *print_lockmode(int mode) | |||
60 | } | 60 | } |
61 | } | 61 | } |
62 | 62 | ||
63 | static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, | 63 | static void print_resource_lock(struct seq_file *s, struct dlm_lkb *lkb, |
64 | struct dlm_rsb *res) | 64 | struct dlm_rsb *res) |
65 | { | 65 | { |
66 | seq_printf(s, "%08x %s", lkb->lkb_id, print_lockmode(lkb->lkb_grmode)); | 66 | seq_printf(s, "%08x %s", lkb->lkb_id, print_lockmode(lkb->lkb_grmode)); |
67 | 67 | ||
@@ -134,15 +134,15 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) | |||
134 | /* Print the locks attached to this resource */ | 134 | /* Print the locks attached to this resource */ |
135 | seq_printf(s, "Granted Queue\n"); | 135 | seq_printf(s, "Granted Queue\n"); |
136 | list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue) | 136 | list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue) |
137 | print_lock(s, lkb, res); | 137 | print_resource_lock(s, lkb, res); |
138 | 138 | ||
139 | seq_printf(s, "Conversion Queue\n"); | 139 | seq_printf(s, "Conversion Queue\n"); |
140 | list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue) | 140 | list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue) |
141 | print_lock(s, lkb, res); | 141 | print_resource_lock(s, lkb, res); |
142 | 142 | ||
143 | seq_printf(s, "Waiting Queue\n"); | 143 | seq_printf(s, "Waiting Queue\n"); |
144 | list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue) | 144 | list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue) |
145 | print_lock(s, lkb, res); | 145 | print_resource_lock(s, lkb, res); |
146 | 146 | ||
147 | if (list_empty(&res->res_lookup)) | 147 | if (list_empty(&res->res_lookup)) |
148 | goto out; | 148 | goto out; |
@@ -160,8 +160,7 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) | |||
160 | return 0; | 160 | return 0; |
161 | } | 161 | } |
162 | 162 | ||
163 | static void print_master_lock(struct seq_file *s, struct dlm_lkb *lkb, | 163 | static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *r) |
164 | struct dlm_rsb *r) | ||
165 | { | 164 | { |
166 | struct dlm_user_args *ua; | 165 | struct dlm_user_args *ua; |
167 | unsigned int waiting = 0; | 166 | unsigned int waiting = 0; |
@@ -176,37 +175,40 @@ static void print_master_lock(struct seq_file *s, struct dlm_lkb *lkb, | |||
176 | if (lkb->lkb_timestamp) | 175 | if (lkb->lkb_timestamp) |
177 | waiting = jiffies_to_msecs(jiffies - lkb->lkb_timestamp); | 176 | waiting = jiffies_to_msecs(jiffies - lkb->lkb_timestamp); |
178 | 177 | ||
179 | /* id nodeid remid pid xid flags sts grmode rqmode time_ms len name */ | 178 | /* id nodeid remid pid xid exflags flags sts grmode rqmode time_ms |
179 | r_nodeid r_len r_name */ | ||
180 | 180 | ||
181 | seq_printf(s, "%x %d %x %u %llu %x %d %d %d %u %d \"%s\"\n", | 181 | seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %u %u %d \"%s\"\n", |
182 | lkb->lkb_id, | 182 | lkb->lkb_id, |
183 | lkb->lkb_nodeid, | 183 | lkb->lkb_nodeid, |
184 | lkb->lkb_remid, | 184 | lkb->lkb_remid, |
185 | lkb->lkb_ownpid, | 185 | lkb->lkb_ownpid, |
186 | (unsigned long long)xid, | 186 | (unsigned long long)xid, |
187 | lkb->lkb_exflags, | 187 | lkb->lkb_exflags, |
188 | lkb->lkb_flags, | ||
188 | lkb->lkb_status, | 189 | lkb->lkb_status, |
189 | lkb->lkb_grmode, | 190 | lkb->lkb_grmode, |
190 | lkb->lkb_rqmode, | 191 | lkb->lkb_rqmode, |
191 | waiting, | 192 | waiting, |
193 | r->res_nodeid, | ||
192 | r->res_length, | 194 | r->res_length, |
193 | r->res_name); | 195 | r->res_name); |
194 | } | 196 | } |
195 | 197 | ||
196 | static int print_master_resource(struct dlm_rsb *r, struct seq_file *s) | 198 | static int print_locks(struct dlm_rsb *r, struct seq_file *s) |
197 | { | 199 | { |
198 | struct dlm_lkb *lkb; | 200 | struct dlm_lkb *lkb; |
199 | 201 | ||
200 | lock_rsb(r); | 202 | lock_rsb(r); |
201 | 203 | ||
202 | list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) | 204 | list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) |
203 | print_master_lock(s, lkb, r); | 205 | print_lock(s, lkb, r); |
204 | 206 | ||
205 | list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) | 207 | list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) |
206 | print_master_lock(s, lkb, r); | 208 | print_lock(s, lkb, r); |
207 | 209 | ||
208 | list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) | 210 | list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) |
209 | print_master_lock(s, lkb, r); | 211 | print_lock(s, lkb, r); |
210 | 212 | ||
211 | unlock_rsb(r); | 213 | unlock_rsb(r); |
212 | return 0; | 214 | return 0; |
@@ -325,14 +327,14 @@ static int rsb_seq_show(struct seq_file *file, void *iter_ptr) | |||
325 | { | 327 | { |
326 | struct rsb_iter *ri = iter_ptr; | 328 | struct rsb_iter *ri = iter_ptr; |
327 | 329 | ||
328 | if (ri->master) { | 330 | if (ri->locks) { |
329 | if (ri->header) { | 331 | if (ri->header) { |
330 | seq_printf(file, "id nodeid remid pid xid flags sts " | 332 | seq_printf(file, "id nodeid remid pid xid exflags flags " |
331 | "grmode rqmode time_ms len name\n"); | 333 | "sts grmode rqmode time_ms r_nodeid " |
334 | "r_len r_name\n"); | ||
332 | ri->header = 0; | 335 | ri->header = 0; |
333 | } | 336 | } |
334 | if (is_master(ri->rsb)) | 337 | print_locks(ri->rsb, file); |
335 | print_master_resource(ri->rsb, file); | ||
336 | } else { | 338 | } else { |
337 | print_resource(ri->rsb, file); | 339 | print_resource(ri->rsb, file); |
338 | } | 340 | } |
@@ -371,10 +373,10 @@ static const struct file_operations rsb_fops = { | |||
371 | }; | 373 | }; |
372 | 374 | ||
373 | /* | 375 | /* |
374 | * Dump master lock state | 376 | * Dump state in compact per-lock listing |
375 | */ | 377 | */ |
376 | 378 | ||
377 | static struct rsb_iter *master_iter_init(struct dlm_ls *ls, loff_t *pos) | 379 | static struct rsb_iter *locks_iter_init(struct dlm_ls *ls, loff_t *pos) |
378 | { | 380 | { |
379 | struct rsb_iter *ri; | 381 | struct rsb_iter *ri; |
380 | 382 | ||
@@ -385,7 +387,7 @@ static struct rsb_iter *master_iter_init(struct dlm_ls *ls, loff_t *pos) | |||
385 | ri->ls = ls; | 387 | ri->ls = ls; |
386 | ri->entry = 0; | 388 | ri->entry = 0; |
387 | ri->next = NULL; | 389 | ri->next = NULL; |
388 | ri->master = 1; | 390 | ri->locks = 1; |
389 | 391 | ||
390 | if (*pos == 0) | 392 | if (*pos == 0) |
391 | ri->header = 1; | 393 | ri->header = 1; |
@@ -398,12 +400,12 @@ static struct rsb_iter *master_iter_init(struct dlm_ls *ls, loff_t *pos) | |||
398 | return ri; | 400 | return ri; |
399 | } | 401 | } |
400 | 402 | ||
401 | static void *master_seq_start(struct seq_file *file, loff_t *pos) | 403 | static void *locks_seq_start(struct seq_file *file, loff_t *pos) |
402 | { | 404 | { |
403 | struct rsb_iter *ri; | 405 | struct rsb_iter *ri; |
404 | loff_t n = *pos; | 406 | loff_t n = *pos; |
405 | 407 | ||
406 | ri = master_iter_init(file->private, pos); | 408 | ri = locks_iter_init(file->private, pos); |
407 | if (!ri) | 409 | if (!ri) |
408 | return NULL; | 410 | return NULL; |
409 | 411 | ||
@@ -417,19 +419,19 @@ static void *master_seq_start(struct seq_file *file, loff_t *pos) | |||
417 | return ri; | 419 | return ri; |
418 | } | 420 | } |
419 | 421 | ||
420 | static struct seq_operations master_seq_ops = { | 422 | static struct seq_operations locks_seq_ops = { |
421 | .start = master_seq_start, | 423 | .start = locks_seq_start, |
422 | .next = rsb_seq_next, | 424 | .next = rsb_seq_next, |
423 | .stop = rsb_seq_stop, | 425 | .stop = rsb_seq_stop, |
424 | .show = rsb_seq_show, | 426 | .show = rsb_seq_show, |
425 | }; | 427 | }; |
426 | 428 | ||
427 | static int master_open(struct inode *inode, struct file *file) | 429 | static int locks_open(struct inode *inode, struct file *file) |
428 | { | 430 | { |
429 | struct seq_file *seq; | 431 | struct seq_file *seq; |
430 | int ret; | 432 | int ret; |
431 | 433 | ||
432 | ret = seq_open(file, &master_seq_ops); | 434 | ret = seq_open(file, &locks_seq_ops); |
433 | if (ret) | 435 | if (ret) |
434 | return ret; | 436 | return ret; |
435 | 437 | ||
@@ -439,9 +441,9 @@ static int master_open(struct inode *inode, struct file *file) | |||
439 | return 0; | 441 | return 0; |
440 | } | 442 | } |
441 | 443 | ||
442 | static const struct file_operations master_fops = { | 444 | static const struct file_operations locks_fops = { |
443 | .owner = THIS_MODULE, | 445 | .owner = THIS_MODULE, |
444 | .open = master_open, | 446 | .open = locks_open, |
445 | .read = seq_read, | 447 | .read = seq_read, |
446 | .llseek = seq_lseek, | 448 | .llseek = seq_lseek, |
447 | .release = seq_release | 449 | .release = seq_release |
@@ -515,14 +517,14 @@ int dlm_create_debug_file(struct dlm_ls *ls) | |||
515 | } | 517 | } |
516 | 518 | ||
517 | memset(name, 0, sizeof(name)); | 519 | memset(name, 0, sizeof(name)); |
518 | snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_master", ls->ls_name); | 520 | snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_locks", ls->ls_name); |
519 | 521 | ||
520 | ls->ls_debug_master_dentry = debugfs_create_file(name, | 522 | ls->ls_debug_locks_dentry = debugfs_create_file(name, |
521 | S_IFREG | S_IRUGO, | 523 | S_IFREG | S_IRUGO, |
522 | dlm_root, | 524 | dlm_root, |
523 | ls, | 525 | ls, |
524 | &master_fops); | 526 | &locks_fops); |
525 | if (!ls->ls_debug_master_dentry) { | 527 | if (!ls->ls_debug_locks_dentry) { |
526 | debugfs_remove(ls->ls_debug_waiters_dentry); | 528 | debugfs_remove(ls->ls_debug_waiters_dentry); |
527 | debugfs_remove(ls->ls_debug_rsb_dentry); | 529 | debugfs_remove(ls->ls_debug_rsb_dentry); |
528 | return -ENOMEM; | 530 | return -ENOMEM; |
@@ -537,8 +539,8 @@ void dlm_delete_debug_file(struct dlm_ls *ls) | |||
537 | debugfs_remove(ls->ls_debug_rsb_dentry); | 539 | debugfs_remove(ls->ls_debug_rsb_dentry); |
538 | if (ls->ls_debug_waiters_dentry) | 540 | if (ls->ls_debug_waiters_dentry) |
539 | debugfs_remove(ls->ls_debug_waiters_dentry); | 541 | debugfs_remove(ls->ls_debug_waiters_dentry); |
540 | if (ls->ls_debug_master_dentry) | 542 | if (ls->ls_debug_locks_dentry) |
541 | debugfs_remove(ls->ls_debug_master_dentry); | 543 | debugfs_remove(ls->ls_debug_locks_dentry); |
542 | } | 544 | } |
543 | 545 | ||
544 | int dlm_register_debugfs(void) | 546 | int dlm_register_debugfs(void) |
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 8ac081882c78..74901e981e10 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h | |||
@@ -471,7 +471,7 @@ struct dlm_ls { | |||
471 | 471 | ||
472 | struct dentry *ls_debug_rsb_dentry; /* debugfs */ | 472 | struct dentry *ls_debug_rsb_dentry; /* debugfs */ |
473 | struct dentry *ls_debug_waiters_dentry; /* debugfs */ | 473 | struct dentry *ls_debug_waiters_dentry; /* debugfs */ |
474 | struct dentry *ls_debug_master_dentry; /* debugfs */ | 474 | struct dentry *ls_debug_locks_dentry; /* debugfs */ |
475 | 475 | ||
476 | wait_queue_head_t ls_uevent_wait; /* user part of join/leave */ | 476 | wait_queue_head_t ls_uevent_wait; /* user part of join/leave */ |
477 | int ls_uevent_result; | 477 | int ls_uevent_result; |