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()
166 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_attr_show() local
168 return a->show ? a->show(ls, buf) : 0; in dlm_attr_show()
174 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_attr_store() local
176 return a->store ? a->store(ls, buf, len) : len; in dlm_attr_store()
181 struct dlm_ls *ls = container_of(k, struct dlm_ls, ls_kobj); in lockspace_kobj_release() local
182 kfree(ls); in lockspace_kobj_release()
198 static int do_uevent(struct dlm_ls *ls, int in) in do_uevent() argument
203 kobject_uevent(&ls->ls_kobj, KOBJ_ONLINE); in do_uevent()
205 kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE); in do_uevent()
207 log_rinfo(ls, "%s the lockspace group...", in ? "joining" : "leaving"); in do_uevent()
212 error = wait_event_interruptible(ls->ls_uevent_wait, in do_uevent()
213 test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags)); in do_uevent()
215 log_rinfo(ls, "group event done %d %d", error, ls->ls_uevent_result); in do_uevent()
220 error = ls->ls_uevent_result; in do_uevent()
223 log_error(ls, "group %s failed %d %d", in ? "join" : "leave", in do_uevent()
224 error, ls->ls_uevent_result); in do_uevent()
231 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_uevent() local
233 add_uevent_var(env, "LOCKSPACE=%s", ls->ls_name); in dlm_uevent()
263 struct dlm_ls *ls; in find_ls_to_scan() local
266 list_for_each_entry(ls, &lslist, ls_list) { in find_ls_to_scan()
267 if (time_after_eq(jiffies, ls->ls_scan_time + in find_ls_to_scan()
270 return ls; in find_ls_to_scan()
279 struct dlm_ls *ls; in dlm_scand() local
282 ls = find_ls_to_scan(); in dlm_scand()
283 if (ls) { in dlm_scand()
284 if (dlm_lock_recovery_try(ls)) { in dlm_scand()
285 ls->ls_scan_time = jiffies; in dlm_scand()
286 dlm_scan_rsbs(ls); in dlm_scand()
287 dlm_scan_timeout(ls); in dlm_scand()
288 dlm_scan_waiters(ls); in dlm_scand()
289 dlm_unlock_recovery(ls); in dlm_scand()
291 ls->ls_scan_time += HZ; in dlm_scand()
320 struct dlm_ls *ls; in dlm_find_lockspace_global() local
324 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_global()
325 if (ls->ls_global_id == id) { in dlm_find_lockspace_global()
326 ls->ls_count++; in dlm_find_lockspace_global()
330 ls = NULL; in dlm_find_lockspace_global()
333 return ls; in dlm_find_lockspace_global()
338 struct dlm_ls *ls; in dlm_find_lockspace_local() local
341 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_local()
342 if (ls->ls_local_handle == lockspace) { in dlm_find_lockspace_local()
343 ls->ls_count++; in dlm_find_lockspace_local()
347 ls = NULL; in dlm_find_lockspace_local()
350 return ls; in dlm_find_lockspace_local()
355 struct dlm_ls *ls; in dlm_find_lockspace_device() local
358 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_device()
359 if (ls->ls_device.minor == minor) { in dlm_find_lockspace_device()
360 ls->ls_count++; in dlm_find_lockspace_device()
364 ls = NULL; in dlm_find_lockspace_device()
367 return ls; in dlm_find_lockspace_device()
370 void dlm_put_lockspace(struct dlm_ls *ls) in dlm_put_lockspace() argument
373 ls->ls_count--; in dlm_put_lockspace()
377 static void remove_lockspace(struct dlm_ls *ls) in remove_lockspace() argument
381 if (ls->ls_count == 0) { in remove_lockspace()
382 WARN_ON(ls->ls_create_count != 0); in remove_lockspace()
383 list_del(&ls->ls_list); in remove_lockspace()
428 struct dlm_ls *ls; in new_lockspace() local
471 list_for_each_entry(ls, &lslist, ls_list) { in new_lockspace()
472 WARN_ON(ls->ls_create_count <= 0); in new_lockspace()
473 if (ls->ls_namelen != namelen) in new_lockspace()
475 if (memcmp(ls->ls_name, name, namelen)) in new_lockspace()
481 ls->ls_create_count++; in new_lockspace()
482 *lockspace = ls; in new_lockspace()
493 ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_NOFS); in new_lockspace()
494 if (!ls) in new_lockspace()
496 memcpy(ls->ls_name, name, namelen); in new_lockspace()
497 ls->ls_namelen = namelen; in new_lockspace()
498 ls->ls_lvblen = lvblen; in new_lockspace()
499 ls->ls_count = 0; in new_lockspace()
500 ls->ls_flags = 0; in new_lockspace()
501 ls->ls_scan_time = jiffies; in new_lockspace()
504 ls->ls_ops = ops; in new_lockspace()
505 ls->ls_ops_arg = ops_arg; in new_lockspace()
509 set_bit(LSFL_TIMEWARN, &ls->ls_flags); in new_lockspace()
513 ls->ls_exflags = (flags & ~(DLM_LSFL_TIMEWARN | DLM_LSFL_FS | in new_lockspace()
517 ls->ls_rsbtbl_size = size; in new_lockspace()
519 ls->ls_rsbtbl = vmalloc(array_size(size, sizeof(struct dlm_rsbtable))); in new_lockspace()
520 if (!ls->ls_rsbtbl) in new_lockspace()
523 ls->ls_rsbtbl[i].keep.rb_node = NULL; in new_lockspace()
524 ls->ls_rsbtbl[i].toss.rb_node = NULL; in new_lockspace()
525 spin_lock_init(&ls->ls_rsbtbl[i].lock); in new_lockspace()
528 spin_lock_init(&ls->ls_remove_spin); in new_lockspace()
531 ls->ls_remove_names[i] = kzalloc(DLM_RESNAME_MAXLEN+1, in new_lockspace()
533 if (!ls->ls_remove_names[i]) in new_lockspace()
537 idr_init(&ls->ls_lkbidr); in new_lockspace()
538 spin_lock_init(&ls->ls_lkbidr_spin); in new_lockspace()
540 INIT_LIST_HEAD(&ls->ls_waiters); in new_lockspace()
541 mutex_init(&ls->ls_waiters_mutex); in new_lockspace()
542 INIT_LIST_HEAD(&ls->ls_orphans); in new_lockspace()
543 mutex_init(&ls->ls_orphans_mutex); in new_lockspace()
544 INIT_LIST_HEAD(&ls->ls_timeout); in new_lockspace()
545 mutex_init(&ls->ls_timeout_mutex); in new_lockspace()
547 INIT_LIST_HEAD(&ls->ls_new_rsb); in new_lockspace()
548 spin_lock_init(&ls->ls_new_rsb_spin); in new_lockspace()
550 INIT_LIST_HEAD(&ls->ls_nodes); in new_lockspace()
551 INIT_LIST_HEAD(&ls->ls_nodes_gone); in new_lockspace()
552 ls->ls_num_nodes = 0; in new_lockspace()
553 ls->ls_low_nodeid = 0; in new_lockspace()
554 ls->ls_total_weight = 0; in new_lockspace()
555 ls->ls_node_array = NULL; in new_lockspace()
557 memset(&ls->ls_stub_rsb, 0, sizeof(struct dlm_rsb)); in new_lockspace()
558 ls->ls_stub_rsb.res_ls = ls; in new_lockspace()
560 ls->ls_debug_rsb_dentry = NULL; in new_lockspace()
561 ls->ls_debug_waiters_dentry = NULL; in new_lockspace()
563 init_waitqueue_head(&ls->ls_uevent_wait); in new_lockspace()
564 ls->ls_uevent_result = 0; in new_lockspace()
565 init_completion(&ls->ls_members_done); in new_lockspace()
566 ls->ls_members_result = -1; in new_lockspace()
568 mutex_init(&ls->ls_cb_mutex); in new_lockspace()
569 INIT_LIST_HEAD(&ls->ls_cb_delay); in new_lockspace()
571 ls->ls_recoverd_task = NULL; in new_lockspace()
572 mutex_init(&ls->ls_recoverd_active); in new_lockspace()
573 spin_lock_init(&ls->ls_recover_lock); in new_lockspace()
574 spin_lock_init(&ls->ls_rcom_spin); in new_lockspace()
575 get_random_bytes(&ls->ls_rcom_seq, sizeof(uint64_t)); in new_lockspace()
576 ls->ls_recover_status = 0; in new_lockspace()
577 ls->ls_recover_seq = 0; in new_lockspace()
578 ls->ls_recover_args = NULL; in new_lockspace()
579 init_rwsem(&ls->ls_in_recovery); in new_lockspace()
580 init_rwsem(&ls->ls_recv_active); in new_lockspace()
581 INIT_LIST_HEAD(&ls->ls_requestqueue); in new_lockspace()
582 mutex_init(&ls->ls_requestqueue_mutex); in new_lockspace()
583 mutex_init(&ls->ls_clear_proc_locks); in new_lockspace()
585 ls->ls_recover_buf = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS); in new_lockspace()
586 if (!ls->ls_recover_buf) in new_lockspace()
589 ls->ls_slot = 0; in new_lockspace()
590 ls->ls_num_slots = 0; in new_lockspace()
591 ls->ls_slots_size = 0; in new_lockspace()
592 ls->ls_slots = NULL; in new_lockspace()
594 INIT_LIST_HEAD(&ls->ls_recover_list); in new_lockspace()
595 spin_lock_init(&ls->ls_recover_list_lock); in new_lockspace()
596 idr_init(&ls->ls_recover_idr); in new_lockspace()
597 spin_lock_init(&ls->ls_recover_idr_lock); in new_lockspace()
598 ls->ls_recover_list_count = 0; in new_lockspace()
599 ls->ls_local_handle = ls; in new_lockspace()
600 init_waitqueue_head(&ls->ls_wait_general); in new_lockspace()
601 INIT_LIST_HEAD(&ls->ls_root_list); in new_lockspace()
602 init_rwsem(&ls->ls_root_sem); in new_lockspace()
605 ls->ls_create_count = 1; in new_lockspace()
606 list_add(&ls->ls_list, &lslist); in new_lockspace()
610 error = dlm_callback_start(ls); in new_lockspace()
612 log_error(ls, "can't start dlm_callback %d", error); in new_lockspace()
617 init_waitqueue_head(&ls->ls_recover_lock_wait); in new_lockspace()
626 error = dlm_recoverd_start(ls); in new_lockspace()
628 log_error(ls, "can't start dlm_recoverd %d", error); in new_lockspace()
632 wait_event(ls->ls_recover_lock_wait, in new_lockspace()
633 test_bit(LSFL_RECOVER_LOCK, &ls->ls_flags)); in new_lockspace()
635 ls->ls_kobj.kset = dlm_kset; in new_lockspace()
636 error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL, in new_lockspace()
637 "%s", ls->ls_name); in new_lockspace()
640 kobject_uevent(&ls->ls_kobj, KOBJ_ADD); in new_lockspace()
651 error = do_uevent(ls, 1); in new_lockspace()
655 wait_for_completion(&ls->ls_members_done); in new_lockspace()
656 error = ls->ls_members_result; in new_lockspace()
660 dlm_create_debug_file(ls); in new_lockspace()
662 log_rinfo(ls, "join complete"); in new_lockspace()
663 *lockspace = ls; in new_lockspace()
667 do_uevent(ls, 0); in new_lockspace()
668 dlm_clear_members(ls); in new_lockspace()
669 kfree(ls->ls_node_array); in new_lockspace()
671 dlm_recoverd_stop(ls); in new_lockspace()
673 dlm_callback_stop(ls); in new_lockspace()
676 list_del(&ls->ls_list); in new_lockspace()
678 idr_destroy(&ls->ls_recover_idr); in new_lockspace()
679 kfree(ls->ls_recover_buf); in new_lockspace()
681 idr_destroy(&ls->ls_lkbidr); in new_lockspace()
684 kfree(ls->ls_remove_names[i]); in new_lockspace()
685 vfree(ls->ls_rsbtbl); in new_lockspace()
688 kobject_put(&ls->ls_kobj); in new_lockspace()
690 kfree(ls); in new_lockspace()
749 static int lockspace_busy(struct dlm_ls *ls, int force) in lockspace_busy() argument
753 spin_lock(&ls->ls_lkbidr_spin); in lockspace_busy()
755 rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_any, ls); in lockspace_busy()
757 rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_local, ls); in lockspace_busy()
761 spin_unlock(&ls->ls_lkbidr_spin); in lockspace_busy()
765 static int release_lockspace(struct dlm_ls *ls, int force) in release_lockspace() argument
771 busy = lockspace_busy(ls, force); in release_lockspace()
774 if (ls->ls_create_count == 1) { in release_lockspace()
779 ls->ls_create_count = 0; in release_lockspace()
782 } else if (ls->ls_create_count > 1) { in release_lockspace()
783 rv = --ls->ls_create_count; in release_lockspace()
790 log_debug(ls, "release_lockspace no remove %d", rv); in release_lockspace()
794 dlm_device_deregister(ls); in release_lockspace()
797 do_uevent(ls, 0); in release_lockspace()
799 dlm_recoverd_stop(ls); in release_lockspace()
801 dlm_callback_stop(ls); in release_lockspace()
803 remove_lockspace(ls); in release_lockspace()
805 dlm_delete_debug_file(ls); in release_lockspace()
807 idr_destroy(&ls->ls_recover_idr); in release_lockspace()
808 kfree(ls->ls_recover_buf); in release_lockspace()
814 idr_for_each(&ls->ls_lkbidr, lkb_idr_free, ls); in release_lockspace()
815 idr_destroy(&ls->ls_lkbidr); in release_lockspace()
821 for (i = 0; i < ls->ls_rsbtbl_size; i++) { in release_lockspace()
822 while ((n = rb_first(&ls->ls_rsbtbl[i].keep))) { in release_lockspace()
824 rb_erase(n, &ls->ls_rsbtbl[i].keep); in release_lockspace()
828 while ((n = rb_first(&ls->ls_rsbtbl[i].toss))) { in release_lockspace()
830 rb_erase(n, &ls->ls_rsbtbl[i].toss); in release_lockspace()
835 vfree(ls->ls_rsbtbl); in release_lockspace()
838 kfree(ls->ls_remove_names[i]); in release_lockspace()
840 while (!list_empty(&ls->ls_new_rsb)) { in release_lockspace()
841 rsb = list_first_entry(&ls->ls_new_rsb, struct dlm_rsb, in release_lockspace()
851 dlm_purge_requestqueue(ls); in release_lockspace()
852 kfree(ls->ls_recover_args); in release_lockspace()
853 dlm_clear_members(ls); in release_lockspace()
854 dlm_clear_members_gone(ls); in release_lockspace()
855 kfree(ls->ls_node_array); in release_lockspace()
856 log_rinfo(ls, "release_lockspace final free"); in release_lockspace()
857 kobject_put(&ls->ls_kobj); in release_lockspace()
880 struct dlm_ls *ls; in dlm_release_lockspace() local
883 ls = dlm_find_lockspace_local(lockspace); in dlm_release_lockspace()
884 if (!ls) in dlm_release_lockspace()
886 dlm_put_lockspace(ls); in dlm_release_lockspace()
889 error = release_lockspace(ls, force); in dlm_release_lockspace()
901 struct dlm_ls *ls; in dlm_stop_lockspaces() local
907 list_for_each_entry(ls, &lslist, ls_list) { in dlm_stop_lockspaces()
908 if (!test_bit(LSFL_RUNNING, &ls->ls_flags)) { in dlm_stop_lockspaces()
913 log_error(ls, "no userland control daemon, stopping lockspace"); in dlm_stop_lockspaces()
914 dlm_ls_stop(ls); in dlm_stop_lockspaces()