Lines Matching +full:cluster +full:- +full:mode
1 // SPDX-License-Identifier: GPL-2.0-only
5 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
6 ** Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
43 ls = dlm_find_lockspace_local(ls->ls_local_handle); in dlm_control_store()
45 return -EINVAL; in dlm_control_store()
55 ret = -EINVAL; in dlm_control_store()
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()
74 return snprintf(buf, PAGE_SIZE, "%u\n", ls->ls_global_id); in dlm_id_show()
79 int rc = kstrtouint(buf, 0, &ls->ls_global_id); in dlm_id_store()
99 set_bit(LSFL_NODIR, &ls->ls_flags); in dlm_nodir_store()
111 return snprintf(buf, PAGE_SIZE, "%d\n", ls->ls_recover_nodeid); in dlm_recover_nodeid_show()
121 .attr = {.name = "control", .mode = S_IWUSR},
126 .attr = {.name = "event_done", .mode = S_IWUSR},
131 .attr = {.name = "id", .mode = S_IRUGO | S_IWUSR},
137 .attr = {.name = "nodir", .mode = S_IRUGO | S_IWUSR},
143 .attr = {.name = "recover_status", .mode = S_IRUGO},
148 .attr = {.name = "recover_nodeid", .mode = S_IRUGO},
168 return a->show ? a->show(ls, buf) : 0; in dlm_attr_show()
176 return a->store ? a->store(ls, buf, len) : len; in dlm_attr_store()
201 kobject_uevent(&ls->ls_kobj, KOBJ_ONLINE); in do_uevent()
203 kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE); 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()
223 add_uevent_var(env, "LOCKSPACE=%s", ls->ls_name); in dlm_uevent()
241 return -ENOMEM; in dlm_lockspace_init()
257 if (time_after_eq(jiffies, ls->ls_scan_time + in find_ls_to_scan()
275 ls->ls_scan_time = jiffies; in dlm_scand()
281 ls->ls_scan_time += HZ; in dlm_scand()
315 if (ls->ls_global_id == id) { in dlm_find_lockspace_global()
316 ls->ls_count++; in dlm_find_lockspace_global()
332 if (ls->ls_local_handle == lockspace) { in dlm_find_lockspace_local()
333 ls->ls_count++; in dlm_find_lockspace_local()
349 if (ls->ls_device.minor == minor) { in dlm_find_lockspace_device()
350 ls->ls_count++; in dlm_find_lockspace_device()
363 ls->ls_count--; in dlm_put_lockspace()
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()
413 static int new_lockspace(const char *name, const char *cluster, in new_lockspace() argument
424 return -EINVAL; in new_lockspace()
427 return -EINVAL; in new_lockspace()
430 return -EINVAL; in new_lockspace()
434 error = -EUNATCH; in new_lockspace()
440 *ops_result = -EOPNOTSUPP; in new_lockspace()
445 if (!cluster) in new_lockspace()
446 log_print("dlm cluster name '%s' is being used without an application provided cluster name", in new_lockspace()
449 if (dlm_config.ci_recover_callbacks && cluster && in new_lockspace()
450 strncmp(cluster, dlm_config.ci_cluster_name, DLM_LOCKSPACE_LEN)) { in new_lockspace()
451 log_print("dlm cluster name '%s' does not match " in new_lockspace()
452 "the application cluster name '%s'", in new_lockspace()
453 dlm_config.ci_cluster_name, cluster); in new_lockspace()
454 error = -EBADR; 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()
468 error = -EEXIST; in new_lockspace()
471 ls->ls_create_count++; in new_lockspace()
481 error = -ENOMEM; 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()
607 init_waitqueue_head(&ls->ls_recover_lock_wait); in new_lockspace()
611 * initializes ls_in_recovery as locked in "down" mode. We need in new_lockspace()
613 * has to start out in down mode. 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()
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()
637 cluster infrastructure.) Once it's done that, it tells us who the in new_lockspace()
645 wait_for_completion(&ls->ls_members_done); in new_lockspace()
646 error = ls->ls_members_result; in new_lockspace()
659 kfree(ls->ls_node_array); 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()
686 int dlm_new_lockspace(const char *name, const char *cluster, in dlm_new_lockspace() argument
699 error = new_lockspace(name, cluster, flags, lvblen, ops, ops_arg, in dlm_new_lockspace()
716 return lkb->lkb_nodeid == 0 && lkb->lkb_grmode != DLM_LOCK_IV; in lkb_idr_is_local()
728 if (lkb->lkb_lvbptr && lkb->lkb_flags & DLM_IFL_MSTCPY) in lkb_idr_free()
729 dlm_free_lvb(lkb->lkb_lvbptr); in lkb_idr_free()
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()
764 if (ls->ls_create_count == 1) { in release_lockspace()
766 rv = -EBUSY; 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()
775 rv = -EINVAL; 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()
833 list_del(&rsb->res_hashchain); in release_lockspace()
842 kfree(ls->ls_recover_args); in release_lockspace()
845 kfree(ls->ls_node_array); in release_lockspace()
847 kobject_put(&ls->ls_kobj); in release_lockspace()
862 * 0 - don't destroy locksapce if it has any LKBs
863 * 1 - destroy lockspace if it has remote LKBs but not if it has local LKBs
864 * 2 - destroy lockspace regardless of LKBs
865 * 3 - destroy lockspace as part of a forced shutdown
875 return -EINVAL; in dlm_release_lockspace()
881 ls_count--; in dlm_release_lockspace()
898 if (!test_bit(LSFL_RUNNING, &ls->ls_flags)) { in dlm_stop_lockspaces()