Lines Matching refs:ls
35 static ssize_t dlm_control_store(struct dlm_ls *ls, const char *buf, size_t len) in dlm_control_store() argument
43 ls = dlm_find_lockspace_local(ls->ls_local_handle); in dlm_control_store()
44 if (!ls) in dlm_control_store()
49 dlm_ls_stop(ls); in dlm_control_store()
52 dlm_ls_start(ls); in dlm_control_store()
57 dlm_put_lockspace(ls); in dlm_control_store()
61 static ssize_t dlm_event_store(struct dlm_ls *ls, const char *buf, size_t len) in dlm_event_store() argument
63 int rc = kstrtoint(buf, 0, &ls->ls_uevent_result); in dlm_event_store()
67 set_bit(LSFL_UEVENT_WAIT, &ls->ls_flags); in dlm_event_store()
68 wake_up(&ls->ls_uevent_wait); in dlm_event_store()
72 static ssize_t dlm_id_show(struct dlm_ls *ls, char *buf) in dlm_id_show() argument
74 return snprintf(buf, PAGE_SIZE, "%u\n", ls->ls_global_id); in dlm_id_show()
77 static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len) in dlm_id_store() argument
79 int rc = kstrtouint(buf, 0, &ls->ls_global_id); in dlm_id_store()
86 static ssize_t dlm_nodir_show(struct dlm_ls *ls, char *buf) in dlm_nodir_show() argument
88 return snprintf(buf, PAGE_SIZE, "%u\n", dlm_no_directory(ls)); in dlm_nodir_show()
91 static ssize_t dlm_nodir_store(struct dlm_ls *ls, const char *buf, size_t len) in dlm_nodir_store() argument
99 set_bit(LSFL_NODIR, &ls->ls_flags); in dlm_nodir_store()
103 static ssize_t dlm_recover_status_show(struct dlm_ls *ls, char *buf) in dlm_recover_status_show() argument
105 uint32_t status = dlm_recover_status(ls); in dlm_recover_status_show()
109 static ssize_t dlm_recover_nodeid_show(struct dlm_ls *ls, char *buf) in dlm_recover_nodeid_show() argument
111 return snprintf(buf, PAGE_SIZE, "%d\n", ls->ls_recover_nodeid); in dlm_recover_nodeid_show()
165 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_attr_show() local
167 return a->show ? a->show(ls, buf) : 0; in dlm_attr_show()
173 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_attr_store() local
175 return a->store ? a->store(ls, buf, len) : len; in dlm_attr_store()
180 struct dlm_ls *ls = container_of(k, struct dlm_ls, ls_kobj); in lockspace_kobj_release() local
181 kfree(ls); in lockspace_kobj_release()
197 static int do_uevent(struct dlm_ls *ls, int in) in do_uevent() argument
202 kobject_uevent(&ls->ls_kobj, KOBJ_ONLINE); in do_uevent()
204 kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE); in do_uevent()
206 log_rinfo(ls, "%s the lockspace group...", in ? "joining" : "leaving"); in do_uevent()
211 error = wait_event_interruptible(ls->ls_uevent_wait, in do_uevent()
212 test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags)); in do_uevent()
214 log_rinfo(ls, "group event done %d %d", error, ls->ls_uevent_result); in do_uevent()
219 error = ls->ls_uevent_result; in do_uevent()
222 log_error(ls, "group %s failed %d %d", in ? "join" : "leave", in do_uevent()
223 error, ls->ls_uevent_result); in do_uevent()
230 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_uevent() local
232 add_uevent_var(env, "LOCKSPACE=%s", ls->ls_name); in dlm_uevent()
262 struct dlm_ls *ls; in find_ls_to_scan() local
265 list_for_each_entry(ls, &lslist, ls_list) { in find_ls_to_scan()
266 if (time_after_eq(jiffies, ls->ls_scan_time + in find_ls_to_scan()
269 return ls; in find_ls_to_scan()
278 struct dlm_ls *ls; in dlm_scand() local
281 ls = find_ls_to_scan(); in dlm_scand()
282 if (ls) { in dlm_scand()
283 if (dlm_lock_recovery_try(ls)) { in dlm_scand()
284 ls->ls_scan_time = jiffies; in dlm_scand()
285 dlm_scan_rsbs(ls); in dlm_scand()
286 dlm_scan_timeout(ls); in dlm_scand()
287 dlm_scan_waiters(ls); in dlm_scand()
288 dlm_unlock_recovery(ls); in dlm_scand()
290 ls->ls_scan_time += HZ; in dlm_scand()
319 struct dlm_ls *ls; in dlm_find_lockspace_global() local
323 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_global()
324 if (ls->ls_global_id == id) { in dlm_find_lockspace_global()
325 ls->ls_count++; in dlm_find_lockspace_global()
329 ls = NULL; in dlm_find_lockspace_global()
332 return ls; in dlm_find_lockspace_global()
337 struct dlm_ls *ls; in dlm_find_lockspace_local() local
340 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_local()
341 if (ls->ls_local_handle == lockspace) { in dlm_find_lockspace_local()
342 ls->ls_count++; in dlm_find_lockspace_local()
346 ls = NULL; in dlm_find_lockspace_local()
349 return ls; in dlm_find_lockspace_local()
354 struct dlm_ls *ls; in dlm_find_lockspace_device() local
357 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_device()
358 if (ls->ls_device.minor == minor) { in dlm_find_lockspace_device()
359 ls->ls_count++; in dlm_find_lockspace_device()
363 ls = NULL; in dlm_find_lockspace_device()
366 return ls; in dlm_find_lockspace_device()
369 void dlm_put_lockspace(struct dlm_ls *ls) in dlm_put_lockspace() argument
372 ls->ls_count--; in dlm_put_lockspace()
376 static void remove_lockspace(struct dlm_ls *ls) in remove_lockspace() argument
380 if (ls->ls_count == 0) { in remove_lockspace()
381 WARN_ON(ls->ls_create_count != 0); in remove_lockspace()
382 list_del(&ls->ls_list); in remove_lockspace()
427 struct dlm_ls *ls; in new_lockspace() local
465 list_for_each_entry(ls, &lslist, ls_list) { in new_lockspace()
466 WARN_ON(ls->ls_create_count <= 0); in new_lockspace()
467 if (ls->ls_namelen != namelen) in new_lockspace()
469 if (memcmp(ls->ls_name, name, namelen)) in new_lockspace()
475 ls->ls_create_count++; in new_lockspace()
476 *lockspace = ls; in new_lockspace()
487 ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_NOFS); in new_lockspace()
488 if (!ls) in new_lockspace()
490 memcpy(ls->ls_name, name, namelen); in new_lockspace()
491 ls->ls_namelen = namelen; in new_lockspace()
492 ls->ls_lvblen = lvblen; in new_lockspace()
493 ls->ls_count = 0; in new_lockspace()
494 ls->ls_flags = 0; in new_lockspace()
495 ls->ls_scan_time = jiffies; in new_lockspace()
498 ls->ls_ops = ops; in new_lockspace()
499 ls->ls_ops_arg = ops_arg; in new_lockspace()
503 set_bit(LSFL_TIMEWARN, &ls->ls_flags); in new_lockspace()
507 ls->ls_exflags = (flags & ~(DLM_LSFL_TIMEWARN | DLM_LSFL_FS | in new_lockspace()
511 ls->ls_rsbtbl_size = size; in new_lockspace()
513 ls->ls_rsbtbl = vmalloc(sizeof(struct dlm_rsbtable) * size); in new_lockspace()
514 if (!ls->ls_rsbtbl) in new_lockspace()
517 ls->ls_rsbtbl[i].keep.rb_node = NULL; in new_lockspace()
518 ls->ls_rsbtbl[i].toss.rb_node = NULL; in new_lockspace()
519 spin_lock_init(&ls->ls_rsbtbl[i].lock); in new_lockspace()
522 spin_lock_init(&ls->ls_remove_spin); in new_lockspace()
525 ls->ls_remove_names[i] = kzalloc(DLM_RESNAME_MAXLEN+1, in new_lockspace()
527 if (!ls->ls_remove_names[i]) in new_lockspace()
531 idr_init(&ls->ls_lkbidr); in new_lockspace()
532 spin_lock_init(&ls->ls_lkbidr_spin); in new_lockspace()
534 INIT_LIST_HEAD(&ls->ls_waiters); in new_lockspace()
535 mutex_init(&ls->ls_waiters_mutex); in new_lockspace()
536 INIT_LIST_HEAD(&ls->ls_orphans); in new_lockspace()
537 mutex_init(&ls->ls_orphans_mutex); in new_lockspace()
538 INIT_LIST_HEAD(&ls->ls_timeout); in new_lockspace()
539 mutex_init(&ls->ls_timeout_mutex); in new_lockspace()
541 INIT_LIST_HEAD(&ls->ls_new_rsb); in new_lockspace()
542 spin_lock_init(&ls->ls_new_rsb_spin); in new_lockspace()
544 INIT_LIST_HEAD(&ls->ls_nodes); in new_lockspace()
545 INIT_LIST_HEAD(&ls->ls_nodes_gone); in new_lockspace()
546 ls->ls_num_nodes = 0; in new_lockspace()
547 ls->ls_low_nodeid = 0; in new_lockspace()
548 ls->ls_total_weight = 0; in new_lockspace()
549 ls->ls_node_array = NULL; in new_lockspace()
551 memset(&ls->ls_stub_rsb, 0, sizeof(struct dlm_rsb)); in new_lockspace()
552 ls->ls_stub_rsb.res_ls = ls; in new_lockspace()
554 ls->ls_debug_rsb_dentry = NULL; in new_lockspace()
555 ls->ls_debug_waiters_dentry = NULL; in new_lockspace()
557 init_waitqueue_head(&ls->ls_uevent_wait); in new_lockspace()
558 ls->ls_uevent_result = 0; in new_lockspace()
559 init_completion(&ls->ls_members_done); in new_lockspace()
560 ls->ls_members_result = -1; in new_lockspace()
562 mutex_init(&ls->ls_cb_mutex); in new_lockspace()
563 INIT_LIST_HEAD(&ls->ls_cb_delay); in new_lockspace()
565 ls->ls_recoverd_task = NULL; in new_lockspace()
566 mutex_init(&ls->ls_recoverd_active); in new_lockspace()
567 spin_lock_init(&ls->ls_recover_lock); in new_lockspace()
568 spin_lock_init(&ls->ls_rcom_spin); in new_lockspace()
569 get_random_bytes(&ls->ls_rcom_seq, sizeof(uint64_t)); in new_lockspace()
570 ls->ls_recover_status = 0; in new_lockspace()
571 ls->ls_recover_seq = 0; in new_lockspace()
572 ls->ls_recover_args = NULL; in new_lockspace()
573 init_rwsem(&ls->ls_in_recovery); in new_lockspace()
574 init_rwsem(&ls->ls_recv_active); in new_lockspace()
575 INIT_LIST_HEAD(&ls->ls_requestqueue); in new_lockspace()
576 mutex_init(&ls->ls_requestqueue_mutex); in new_lockspace()
577 mutex_init(&ls->ls_clear_proc_locks); in new_lockspace()
579 ls->ls_recover_buf = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS); in new_lockspace()
580 if (!ls->ls_recover_buf) in new_lockspace()
583 ls->ls_slot = 0; in new_lockspace()
584 ls->ls_num_slots = 0; in new_lockspace()
585 ls->ls_slots_size = 0; in new_lockspace()
586 ls->ls_slots = NULL; in new_lockspace()
588 INIT_LIST_HEAD(&ls->ls_recover_list); in new_lockspace()
589 spin_lock_init(&ls->ls_recover_list_lock); in new_lockspace()
590 idr_init(&ls->ls_recover_idr); in new_lockspace()
591 spin_lock_init(&ls->ls_recover_idr_lock); in new_lockspace()
592 ls->ls_recover_list_count = 0; in new_lockspace()
593 ls->ls_local_handle = ls; in new_lockspace()
594 init_waitqueue_head(&ls->ls_wait_general); in new_lockspace()
595 INIT_LIST_HEAD(&ls->ls_root_list); in new_lockspace()
596 init_rwsem(&ls->ls_root_sem); in new_lockspace()
599 ls->ls_create_count = 1; in new_lockspace()
600 list_add(&ls->ls_list, &lslist); in new_lockspace()
604 error = dlm_callback_start(ls); in new_lockspace()
606 log_error(ls, "can't start dlm_callback %d", error); in new_lockspace()
611 init_waitqueue_head(&ls->ls_recover_lock_wait); in new_lockspace()
620 error = dlm_recoverd_start(ls); in new_lockspace()
622 log_error(ls, "can't start dlm_recoverd %d", error); in new_lockspace()
626 wait_event(ls->ls_recover_lock_wait, in new_lockspace()
627 test_bit(LSFL_RECOVER_LOCK, &ls->ls_flags)); in new_lockspace()
629 ls->ls_kobj.kset = dlm_kset; in new_lockspace()
630 error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL, in new_lockspace()
631 "%s", ls->ls_name); in new_lockspace()
634 kobject_uevent(&ls->ls_kobj, KOBJ_ADD); in new_lockspace()
645 error = do_uevent(ls, 1); in new_lockspace()
649 wait_for_completion(&ls->ls_members_done); in new_lockspace()
650 error = ls->ls_members_result; in new_lockspace()
654 dlm_create_debug_file(ls); in new_lockspace()
656 log_rinfo(ls, "join complete"); in new_lockspace()
657 *lockspace = ls; in new_lockspace()
661 do_uevent(ls, 0); in new_lockspace()
662 dlm_clear_members(ls); in new_lockspace()
663 kfree(ls->ls_node_array); in new_lockspace()
665 dlm_recoverd_stop(ls); in new_lockspace()
667 dlm_callback_stop(ls); in new_lockspace()
670 list_del(&ls->ls_list); in new_lockspace()
672 idr_destroy(&ls->ls_recover_idr); in new_lockspace()
673 kfree(ls->ls_recover_buf); in new_lockspace()
675 idr_destroy(&ls->ls_lkbidr); in new_lockspace()
677 if (ls->ls_remove_names[i]) in new_lockspace()
678 kfree(ls->ls_remove_names[i]); in new_lockspace()
681 vfree(ls->ls_rsbtbl); in new_lockspace()
684 kobject_put(&ls->ls_kobj); in new_lockspace()
686 kfree(ls); in new_lockspace()
745 static int lockspace_busy(struct dlm_ls *ls, int force) in lockspace_busy() argument
749 spin_lock(&ls->ls_lkbidr_spin); in lockspace_busy()
751 rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_any, ls); in lockspace_busy()
753 rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_local, ls); in lockspace_busy()
757 spin_unlock(&ls->ls_lkbidr_spin); in lockspace_busy()
761 static int release_lockspace(struct dlm_ls *ls, int force) in release_lockspace() argument
767 busy = lockspace_busy(ls, force); in release_lockspace()
770 if (ls->ls_create_count == 1) { in release_lockspace()
775 ls->ls_create_count = 0; in release_lockspace()
778 } else if (ls->ls_create_count > 1) { in release_lockspace()
779 rv = --ls->ls_create_count; in release_lockspace()
786 log_debug(ls, "release_lockspace no remove %d", rv); in release_lockspace()
790 dlm_device_deregister(ls); in release_lockspace()
793 do_uevent(ls, 0); in release_lockspace()
795 dlm_recoverd_stop(ls); in release_lockspace()
797 dlm_callback_stop(ls); in release_lockspace()
799 remove_lockspace(ls); in release_lockspace()
801 dlm_delete_debug_file(ls); in release_lockspace()
803 kfree(ls->ls_recover_buf); in release_lockspace()
809 idr_for_each(&ls->ls_lkbidr, lkb_idr_free, ls); in release_lockspace()
810 idr_destroy(&ls->ls_lkbidr); in release_lockspace()
816 for (i = 0; i < ls->ls_rsbtbl_size; i++) { in release_lockspace()
817 while ((n = rb_first(&ls->ls_rsbtbl[i].keep))) { in release_lockspace()
819 rb_erase(n, &ls->ls_rsbtbl[i].keep); in release_lockspace()
823 while ((n = rb_first(&ls->ls_rsbtbl[i].toss))) { in release_lockspace()
825 rb_erase(n, &ls->ls_rsbtbl[i].toss); in release_lockspace()
830 vfree(ls->ls_rsbtbl); in release_lockspace()
833 kfree(ls->ls_remove_names[i]); in release_lockspace()
835 while (!list_empty(&ls->ls_new_rsb)) { in release_lockspace()
836 rsb = list_first_entry(&ls->ls_new_rsb, struct dlm_rsb, in release_lockspace()
846 dlm_purge_requestqueue(ls); in release_lockspace()
847 kfree(ls->ls_recover_args); in release_lockspace()
848 dlm_clear_members(ls); in release_lockspace()
849 dlm_clear_members_gone(ls); in release_lockspace()
850 kfree(ls->ls_node_array); in release_lockspace()
851 log_rinfo(ls, "release_lockspace final free"); in release_lockspace()
852 kobject_put(&ls->ls_kobj); in release_lockspace()
875 struct dlm_ls *ls; in dlm_release_lockspace() local
878 ls = dlm_find_lockspace_local(lockspace); in dlm_release_lockspace()
879 if (!ls) in dlm_release_lockspace()
881 dlm_put_lockspace(ls); in dlm_release_lockspace()
884 error = release_lockspace(ls, force); in dlm_release_lockspace()
896 struct dlm_ls *ls; in dlm_stop_lockspaces() local
902 list_for_each_entry(ls, &lslist, ls_list) { in dlm_stop_lockspaces()
903 if (!test_bit(LSFL_RUNNING, &ls->ls_flags)) { in dlm_stop_lockspaces()
908 log_error(ls, "no userland control daemon, stopping lockspace"); in dlm_stop_lockspaces()
909 dlm_ls_stop(ls); in dlm_stop_lockspaces()