Lines Matching full: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
201 kobject_uevent(&ls->ls_kobj, KOBJ_ONLINE); in do_uevent()
203 kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE); in do_uevent()
205 log_rinfo(ls, "%s the lockspace group...", in ? "joining" : "leaving"); in do_uevent()
210 wait_event(ls->ls_uevent_wait, in do_uevent()
211 test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags)); in do_uevent()
213 log_rinfo(ls, "group event done %d", ls->ls_uevent_result); in do_uevent()
215 return ls->ls_uevent_result; in do_uevent()
221 struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj); in dlm_uevent() local
223 add_uevent_var(env, "LOCKSPACE=%s", ls->ls_name); in dlm_uevent()
253 struct dlm_ls *ls; in find_ls_to_scan() local
256 list_for_each_entry(ls, &lslist, ls_list) { in find_ls_to_scan()
257 if (time_after_eq(jiffies, ls->ls_scan_time + in find_ls_to_scan()
260 return ls; in find_ls_to_scan()
269 struct dlm_ls *ls; in dlm_scand() local
272 ls = find_ls_to_scan(); in dlm_scand()
273 if (ls) { in dlm_scand()
274 if (dlm_lock_recovery_try(ls)) { in dlm_scand()
275 ls->ls_scan_time = jiffies; in dlm_scand()
276 dlm_scan_rsbs(ls); in dlm_scand()
277 dlm_scan_timeout(ls); in dlm_scand()
278 dlm_scan_waiters(ls); in dlm_scand()
279 dlm_unlock_recovery(ls); in dlm_scand()
281 ls->ls_scan_time += HZ; in dlm_scand()
310 struct dlm_ls *ls; in dlm_find_lockspace_global() local
314 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_global()
315 if (ls->ls_global_id == id) { in dlm_find_lockspace_global()
316 ls->ls_count++; in dlm_find_lockspace_global()
320 ls = NULL; in dlm_find_lockspace_global()
323 return ls; in dlm_find_lockspace_global()
328 struct dlm_ls *ls; in dlm_find_lockspace_local() local
331 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_local()
332 if (ls->ls_local_handle == lockspace) { in dlm_find_lockspace_local()
333 ls->ls_count++; in dlm_find_lockspace_local()
337 ls = NULL; in dlm_find_lockspace_local()
340 return ls; in dlm_find_lockspace_local()
345 struct dlm_ls *ls; in dlm_find_lockspace_device() local
348 list_for_each_entry(ls, &lslist, ls_list) { in dlm_find_lockspace_device()
349 if (ls->ls_device.minor == minor) { in dlm_find_lockspace_device()
350 ls->ls_count++; in dlm_find_lockspace_device()
354 ls = NULL; in dlm_find_lockspace_device()
357 return ls; in dlm_find_lockspace_device()
360 void dlm_put_lockspace(struct dlm_ls *ls) in dlm_put_lockspace() argument
363 ls->ls_count--; in dlm_put_lockspace()
367 static void remove_lockspace(struct dlm_ls *ls) in remove_lockspace() argument
371 if (ls->ls_count == 0) { in remove_lockspace()
372 WARN_ON(ls->ls_create_count != 0); in remove_lockspace()
373 list_del(&ls->ls_list); in remove_lockspace()
418 struct dlm_ls *ls; in new_lockspace() local
461 list_for_each_entry(ls, &lslist, ls_list) { in new_lockspace()
462 WARN_ON(ls->ls_create_count <= 0); in new_lockspace()
463 if (ls->ls_namelen != namelen) in new_lockspace()
465 if (memcmp(ls->ls_name, name, namelen)) in new_lockspace()
471 ls->ls_create_count++; in new_lockspace()
472 *lockspace = ls; in new_lockspace()
483 ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_NOFS); in new_lockspace()
484 if (!ls) in new_lockspace()
486 memcpy(ls->ls_name, name, namelen); in new_lockspace()
487 ls->ls_namelen = namelen; in new_lockspace()
488 ls->ls_lvblen = lvblen; in new_lockspace()
489 ls->ls_count = 0; in new_lockspace()
490 ls->ls_flags = 0; in new_lockspace()
491 ls->ls_scan_time = jiffies; in new_lockspace()
494 ls->ls_ops = ops; in new_lockspace()
495 ls->ls_ops_arg = ops_arg; in new_lockspace()
499 set_bit(LSFL_TIMEWARN, &ls->ls_flags); in new_lockspace()
503 ls->ls_exflags = (flags & ~(DLM_LSFL_TIMEWARN | DLM_LSFL_FS | in new_lockspace()
507 ls->ls_rsbtbl_size = size; in new_lockspace()
509 ls->ls_rsbtbl = vmalloc(array_size(size, sizeof(struct dlm_rsbtable))); in new_lockspace()
510 if (!ls->ls_rsbtbl) in new_lockspace()
513 ls->ls_rsbtbl[i].keep.rb_node = NULL; in new_lockspace()
514 ls->ls_rsbtbl[i].toss.rb_node = NULL; in new_lockspace()
515 spin_lock_init(&ls->ls_rsbtbl[i].lock); in new_lockspace()
518 spin_lock_init(&ls->ls_remove_spin); in new_lockspace()
521 ls->ls_remove_names[i] = kzalloc(DLM_RESNAME_MAXLEN+1, in new_lockspace()
523 if (!ls->ls_remove_names[i]) in new_lockspace()
527 idr_init(&ls->ls_lkbidr); in new_lockspace()
528 spin_lock_init(&ls->ls_lkbidr_spin); in new_lockspace()
530 INIT_LIST_HEAD(&ls->ls_waiters); in new_lockspace()
531 mutex_init(&ls->ls_waiters_mutex); in new_lockspace()
532 INIT_LIST_HEAD(&ls->ls_orphans); in new_lockspace()
533 mutex_init(&ls->ls_orphans_mutex); in new_lockspace()
534 INIT_LIST_HEAD(&ls->ls_timeout); in new_lockspace()
535 mutex_init(&ls->ls_timeout_mutex); in new_lockspace()
537 INIT_LIST_HEAD(&ls->ls_new_rsb); in new_lockspace()
538 spin_lock_init(&ls->ls_new_rsb_spin); in new_lockspace()
540 INIT_LIST_HEAD(&ls->ls_nodes); in new_lockspace()
541 INIT_LIST_HEAD(&ls->ls_nodes_gone); in new_lockspace()
542 ls->ls_num_nodes = 0; in new_lockspace()
543 ls->ls_low_nodeid = 0; in new_lockspace()
544 ls->ls_total_weight = 0; in new_lockspace()
545 ls->ls_node_array = NULL; in new_lockspace()
547 memset(&ls->ls_stub_rsb, 0, sizeof(struct dlm_rsb)); in new_lockspace()
548 ls->ls_stub_rsb.res_ls = ls; in new_lockspace()
550 ls->ls_debug_rsb_dentry = NULL; in new_lockspace()
551 ls->ls_debug_waiters_dentry = NULL; in new_lockspace()
553 init_waitqueue_head(&ls->ls_uevent_wait); in new_lockspace()
554 ls->ls_uevent_result = 0; in new_lockspace()
555 init_completion(&ls->ls_members_done); in new_lockspace()
556 ls->ls_members_result = -1; in new_lockspace()
558 mutex_init(&ls->ls_cb_mutex); in new_lockspace()
559 INIT_LIST_HEAD(&ls->ls_cb_delay); in new_lockspace()
561 ls->ls_recoverd_task = NULL; in new_lockspace()
562 mutex_init(&ls->ls_recoverd_active); in new_lockspace()
563 spin_lock_init(&ls->ls_recover_lock); in new_lockspace()
564 spin_lock_init(&ls->ls_rcom_spin); in new_lockspace()
565 get_random_bytes(&ls->ls_rcom_seq, sizeof(uint64_t)); in new_lockspace()
566 ls->ls_recover_status = 0; in new_lockspace()
567 ls->ls_recover_seq = 0; in new_lockspace()
568 ls->ls_recover_args = NULL; in new_lockspace()
569 init_rwsem(&ls->ls_in_recovery); in new_lockspace()
570 init_rwsem(&ls->ls_recv_active); in new_lockspace()
571 INIT_LIST_HEAD(&ls->ls_requestqueue); in new_lockspace()
572 mutex_init(&ls->ls_requestqueue_mutex); in new_lockspace()
573 mutex_init(&ls->ls_clear_proc_locks); in new_lockspace()
575 ls->ls_recover_buf = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS); in new_lockspace()
576 if (!ls->ls_recover_buf) in new_lockspace()
579 ls->ls_slot = 0; in new_lockspace()
580 ls->ls_num_slots = 0; in new_lockspace()
581 ls->ls_slots_size = 0; in new_lockspace()
582 ls->ls_slots = NULL; in new_lockspace()
584 INIT_LIST_HEAD(&ls->ls_recover_list); in new_lockspace()
585 spin_lock_init(&ls->ls_recover_list_lock); in new_lockspace()
586 idr_init(&ls->ls_recover_idr); in new_lockspace()
587 spin_lock_init(&ls->ls_recover_idr_lock); in new_lockspace()
588 ls->ls_recover_list_count = 0; in new_lockspace()
589 ls->ls_local_handle = ls; in new_lockspace()
590 init_waitqueue_head(&ls->ls_wait_general); in new_lockspace()
591 INIT_LIST_HEAD(&ls->ls_root_list); in new_lockspace()
592 init_rwsem(&ls->ls_root_sem); in new_lockspace()
595 ls->ls_create_count = 1; in new_lockspace()
596 list_add(&ls->ls_list, &lslist); in new_lockspace()
600 error = dlm_callback_start(ls); in new_lockspace()
602 log_error(ls, "can't start dlm_callback %d", error); in new_lockspace()
607 init_waitqueue_head(&ls->ls_recover_lock_wait); in new_lockspace()
610 * Once started, dlm_recoverd first looks for ls in lslist, then in new_lockspace()
616 error = dlm_recoverd_start(ls); in new_lockspace()
618 log_error(ls, "can't start dlm_recoverd %d", error); in new_lockspace()
622 wait_event(ls->ls_recover_lock_wait, in new_lockspace()
623 test_bit(LSFL_RECOVER_LOCK, &ls->ls_flags)); in new_lockspace()
625 /* let kobject handle freeing of ls if there's an error */ in new_lockspace()
628 ls->ls_kobj.kset = dlm_kset; in new_lockspace()
629 error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL, in new_lockspace()
630 "%s", ls->ls_name); in new_lockspace()
633 kobject_uevent(&ls->ls_kobj, KOBJ_ADD); in new_lockspace()
641 error = do_uevent(ls, 1); in new_lockspace()
645 wait_for_completion(&ls->ls_members_done); in new_lockspace()
646 error = ls->ls_members_result; in new_lockspace()
650 dlm_create_debug_file(ls); in new_lockspace()
652 log_rinfo(ls, "join complete"); in new_lockspace()
653 *lockspace = ls; in new_lockspace()
657 do_uevent(ls, 0); in new_lockspace()
658 dlm_clear_members(ls); in new_lockspace()
659 kfree(ls->ls_node_array); in new_lockspace()
661 dlm_recoverd_stop(ls); in new_lockspace()
663 dlm_callback_stop(ls); in new_lockspace()
666 list_del(&ls->ls_list); in new_lockspace()
668 idr_destroy(&ls->ls_recover_idr); in new_lockspace()
669 kfree(ls->ls_recover_buf); in new_lockspace()
671 idr_destroy(&ls->ls_lkbidr); in new_lockspace()
674 kfree(ls->ls_remove_names[i]); in new_lockspace()
675 vfree(ls->ls_rsbtbl); in new_lockspace()
678 kobject_put(&ls->ls_kobj); in new_lockspace()
680 kfree(ls); in new_lockspace()
739 static int lockspace_busy(struct dlm_ls *ls, int force) in lockspace_busy() argument
743 spin_lock(&ls->ls_lkbidr_spin); in lockspace_busy()
745 rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_any, ls); in lockspace_busy()
747 rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_local, ls); in lockspace_busy()
751 spin_unlock(&ls->ls_lkbidr_spin); in lockspace_busy()
755 static int release_lockspace(struct dlm_ls *ls, int force) in release_lockspace() argument
761 busy = lockspace_busy(ls, force); in release_lockspace()
764 if (ls->ls_create_count == 1) { in release_lockspace()
768 /* remove_lockspace takes ls off lslist */ in release_lockspace()
769 ls->ls_create_count = 0; in release_lockspace()
772 } else if (ls->ls_create_count > 1) { in release_lockspace()
773 rv = --ls->ls_create_count; in release_lockspace()
780 log_debug(ls, "release_lockspace no remove %d", rv); in release_lockspace()
784 dlm_device_deregister(ls); in release_lockspace()
787 do_uevent(ls, 0); in release_lockspace()
789 dlm_recoverd_stop(ls); in release_lockspace()
791 dlm_callback_stop(ls); in release_lockspace()
793 remove_lockspace(ls); in release_lockspace()
795 dlm_delete_debug_file(ls); in release_lockspace()
797 idr_destroy(&ls->ls_recover_idr); in release_lockspace()
798 kfree(ls->ls_recover_buf); in release_lockspace()
804 idr_for_each(&ls->ls_lkbidr, lkb_idr_free, ls); in release_lockspace()
805 idr_destroy(&ls->ls_lkbidr); in release_lockspace()
811 for (i = 0; i < ls->ls_rsbtbl_size; i++) { in release_lockspace()
812 while ((n = rb_first(&ls->ls_rsbtbl[i].keep))) { in release_lockspace()
814 rb_erase(n, &ls->ls_rsbtbl[i].keep); in release_lockspace()
818 while ((n = rb_first(&ls->ls_rsbtbl[i].toss))) { in release_lockspace()
820 rb_erase(n, &ls->ls_rsbtbl[i].toss); in release_lockspace()
825 vfree(ls->ls_rsbtbl); in release_lockspace()
828 kfree(ls->ls_remove_names[i]); in release_lockspace()
830 while (!list_empty(&ls->ls_new_rsb)) { in release_lockspace()
831 rsb = list_first_entry(&ls->ls_new_rsb, struct dlm_rsb, in release_lockspace()
841 dlm_purge_requestqueue(ls); in release_lockspace()
842 kfree(ls->ls_recover_args); in release_lockspace()
843 dlm_clear_members(ls); in release_lockspace()
844 dlm_clear_members_gone(ls); in release_lockspace()
845 kfree(ls->ls_node_array); in release_lockspace()
846 log_rinfo(ls, "release_lockspace final free"); in release_lockspace()
847 kobject_put(&ls->ls_kobj); in release_lockspace()
848 /* The ls structure will be freed when the kobject is done with */ in release_lockspace()
870 struct dlm_ls *ls; in dlm_release_lockspace() local
873 ls = dlm_find_lockspace_local(lockspace); in dlm_release_lockspace()
874 if (!ls) in dlm_release_lockspace()
876 dlm_put_lockspace(ls); in dlm_release_lockspace()
879 error = release_lockspace(ls, force); in dlm_release_lockspace()
891 struct dlm_ls *ls; in dlm_stop_lockspaces() local
897 list_for_each_entry(ls, &lslist, ls_list) { in dlm_stop_lockspaces()
898 if (!test_bit(LSFL_RUNNING, &ls->ls_flags)) { in dlm_stop_lockspaces()
903 log_error(ls, "no userland control daemon, stopping lockspace"); in dlm_stop_lockspaces()
904 dlm_ls_stop(ls); in dlm_stop_lockspaces()