Lines Matching refs:root
646 static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info, in __setup_root() argument
651 memset(&root->root_key, 0, sizeof(root->root_key)); in __setup_root()
652 memset(&root->root_item, 0, sizeof(root->root_item)); in __setup_root()
653 memset(&root->defrag_progress, 0, sizeof(root->defrag_progress)); in __setup_root()
654 root->fs_info = fs_info; in __setup_root()
655 root->root_key.objectid = objectid; in __setup_root()
656 root->node = NULL; in __setup_root()
657 root->commit_root = NULL; in __setup_root()
658 root->state = 0; in __setup_root()
659 RB_CLEAR_NODE(&root->rb_node); in __setup_root()
661 btrfs_set_root_last_trans(root, 0); in __setup_root()
662 root->free_objectid = 0; in __setup_root()
663 root->nr_delalloc_inodes = 0; in __setup_root()
664 root->nr_ordered_extents = 0; in __setup_root()
665 xa_init(&root->inodes); in __setup_root()
666 xa_init(&root->delayed_nodes); in __setup_root()
668 btrfs_init_root_block_rsv(root); in __setup_root()
670 INIT_LIST_HEAD(&root->dirty_list); in __setup_root()
671 INIT_LIST_HEAD(&root->root_list); in __setup_root()
672 INIT_LIST_HEAD(&root->delalloc_inodes); in __setup_root()
673 INIT_LIST_HEAD(&root->delalloc_root); in __setup_root()
674 INIT_LIST_HEAD(&root->ordered_extents); in __setup_root()
675 INIT_LIST_HEAD(&root->ordered_root); in __setup_root()
676 INIT_LIST_HEAD(&root->reloc_dirty_list); in __setup_root()
677 spin_lock_init(&root->delalloc_lock); in __setup_root()
678 spin_lock_init(&root->ordered_extent_lock); in __setup_root()
679 spin_lock_init(&root->accounting_lock); in __setup_root()
680 spin_lock_init(&root->qgroup_meta_rsv_lock); in __setup_root()
681 mutex_init(&root->objectid_mutex); in __setup_root()
682 mutex_init(&root->log_mutex); in __setup_root()
683 mutex_init(&root->ordered_extent_mutex); in __setup_root()
684 mutex_init(&root->delalloc_mutex); in __setup_root()
685 init_waitqueue_head(&root->qgroup_flush_wait); in __setup_root()
686 init_waitqueue_head(&root->log_writer_wait); in __setup_root()
687 init_waitqueue_head(&root->log_commit_wait[0]); in __setup_root()
688 init_waitqueue_head(&root->log_commit_wait[1]); in __setup_root()
689 INIT_LIST_HEAD(&root->log_ctxs[0]); in __setup_root()
690 INIT_LIST_HEAD(&root->log_ctxs[1]); in __setup_root()
691 atomic_set(&root->log_commit[0], 0); in __setup_root()
692 atomic_set(&root->log_commit[1], 0); in __setup_root()
693 atomic_set(&root->log_writers, 0); in __setup_root()
694 atomic_set(&root->log_batch, 0); in __setup_root()
695 refcount_set(&root->refs, 1); in __setup_root()
696 atomic_set(&root->snapshot_force_cow, 0); in __setup_root()
697 atomic_set(&root->nr_swapfiles, 0); in __setup_root()
698 btrfs_set_root_log_transid(root, 0); in __setup_root()
699 root->log_transid_committed = -1; in __setup_root()
700 btrfs_set_root_last_log_commit(root, 0); in __setup_root()
701 root->anon_dev = 0; in __setup_root()
703 extent_io_tree_init(fs_info, &root->dirty_log_pages, in __setup_root()
705 extent_io_tree_init(fs_info, &root->log_csum_range, in __setup_root()
709 spin_lock_init(&root->root_item_lock); in __setup_root()
710 btrfs_qgroup_init_swapped_blocks(&root->swapped_blocks); in __setup_root()
712 INIT_LIST_HEAD(&root->leak_list); in __setup_root()
714 list_add_tail(&root->leak_list, &fs_info->allocated_roots); in __setup_root()
722 struct btrfs_root *root = kzalloc(sizeof(*root), flags); in btrfs_alloc_root() local
723 if (root) in btrfs_alloc_root()
724 __setup_root(root, fs_info, objectid); in btrfs_alloc_root()
725 return root; in btrfs_alloc_root()
732 struct btrfs_root *root; in btrfs_alloc_dummy_root() local
737 root = btrfs_alloc_root(fs_info, BTRFS_ROOT_TREE_OBJECTID, GFP_KERNEL); in btrfs_alloc_dummy_root()
738 if (!root) in btrfs_alloc_dummy_root()
742 root->alloc_bytenr = 0; in btrfs_alloc_dummy_root()
744 return root; in btrfs_alloc_dummy_root()
759 const struct btrfs_root *root = rb_entry(node, struct btrfs_root, rb_node); in global_root_key_cmp() local
761 return btrfs_comp_cpu_keys(key, &root->root_key); in global_root_key_cmp()
764 int btrfs_global_root_insert(struct btrfs_root *root) in btrfs_global_root_insert() argument
766 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_global_root_insert()
771 tmp = rb_find_add(&root->rb_node, &fs_info->global_root_tree, global_root_cmp); in btrfs_global_root_insert()
777 btrfs_root_id(root), root->root_key.offset); in btrfs_global_root_insert()
782 void btrfs_global_root_delete(struct btrfs_root *root) in btrfs_global_root_delete() argument
784 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_global_root_delete()
787 rb_erase(&root->rb_node, &fs_info->global_root_tree); in btrfs_global_root_delete()
795 struct btrfs_root *root = NULL; in btrfs_global_root() local
800 root = container_of(node, struct btrfs_root, rb_node); in btrfs_global_root()
803 return root; in btrfs_global_root()
855 struct btrfs_root *root; in btrfs_create_tree() local
865 root = btrfs_alloc_root(fs_info, objectid, GFP_KERNEL); in btrfs_create_tree()
867 if (!root) in btrfs_create_tree()
870 root->root_key.objectid = objectid; in btrfs_create_tree()
871 root->root_key.type = BTRFS_ROOT_ITEM_KEY; in btrfs_create_tree()
872 root->root_key.offset = 0; in btrfs_create_tree()
874 leaf = btrfs_alloc_tree_block(trans, root, 0, objectid, NULL, 0, 0, 0, in btrfs_create_tree()
882 root->node = leaf; in btrfs_create_tree()
885 root->commit_root = btrfs_root_node(root); in btrfs_create_tree()
886 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_create_tree()
888 btrfs_set_root_flags(&root->root_item, 0); in btrfs_create_tree()
889 btrfs_set_root_limit(&root->root_item, 0); in btrfs_create_tree()
890 btrfs_set_root_bytenr(&root->root_item, leaf->start); in btrfs_create_tree()
891 btrfs_set_root_generation(&root->root_item, trans->transid); in btrfs_create_tree()
892 btrfs_set_root_level(&root->root_item, 0); in btrfs_create_tree()
893 btrfs_set_root_refs(&root->root_item, 1); in btrfs_create_tree()
894 btrfs_set_root_used(&root->root_item, leaf->len); in btrfs_create_tree()
895 btrfs_set_root_last_snapshot(&root->root_item, 0); in btrfs_create_tree()
896 btrfs_set_root_dirid(&root->root_item, 0); in btrfs_create_tree()
898 generate_random_guid(root->root_item.uuid); in btrfs_create_tree()
900 export_guid(root->root_item.uuid, &guid_null); in btrfs_create_tree()
901 btrfs_set_root_drop_level(&root->root_item, 0); in btrfs_create_tree()
908 ret = btrfs_insert_root(trans, tree_root, &key, &root->root_item); in btrfs_create_tree()
912 return root; in btrfs_create_tree()
915 btrfs_put_root(root); in btrfs_create_tree()
923 struct btrfs_root *root; in alloc_log_tree() local
925 root = btrfs_alloc_root(fs_info, BTRFS_TREE_LOG_OBJECTID, GFP_NOFS); in alloc_log_tree()
926 if (!root) in alloc_log_tree()
929 root->root_key.objectid = BTRFS_TREE_LOG_OBJECTID; in alloc_log_tree()
930 root->root_key.type = BTRFS_ROOT_ITEM_KEY; in alloc_log_tree()
931 root->root_key.offset = BTRFS_TREE_LOG_OBJECTID; in alloc_log_tree()
933 return root; in alloc_log_tree()
937 struct btrfs_root *root) in btrfs_alloc_log_tree_node() argument
951 leaf = btrfs_alloc_tree_block(trans, root, 0, BTRFS_TREE_LOG_OBJECTID, in btrfs_alloc_log_tree_node()
956 root->node = leaf; in btrfs_alloc_log_tree_node()
958 btrfs_mark_buffer_dirty(trans, root->node); in btrfs_alloc_log_tree_node()
959 btrfs_tree_unlock(root->node); in btrfs_alloc_log_tree_node()
988 struct btrfs_root *root) in btrfs_add_log_tree() argument
990 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_add_log_tree()
1006 log_root->root_key.offset = btrfs_root_id(root); in btrfs_add_log_tree()
1018 WARN_ON(root->log_root); in btrfs_add_log_tree()
1019 root->log_root = log_root; in btrfs_add_log_tree()
1020 btrfs_set_root_log_transid(root, 0); in btrfs_add_log_tree()
1021 root->log_transid_committed = -1; in btrfs_add_log_tree()
1022 btrfs_set_root_last_log_commit(root, 0); in btrfs_add_log_tree()
1030 struct btrfs_root *root; in read_tree_root_path() local
1037 root = btrfs_alloc_root(fs_info, key->objectid, GFP_NOFS); in read_tree_root_path()
1038 if (!root) in read_tree_root_path()
1042 &root->root_item, &root->root_key); in read_tree_root_path()
1049 generation = btrfs_root_generation(&root->root_item); in read_tree_root_path()
1050 level = btrfs_root_level(&root->root_item); in read_tree_root_path()
1054 root->node = read_tree_block(fs_info, btrfs_root_bytenr(&root->root_item), in read_tree_root_path()
1056 if (IS_ERR(root->node)) { in read_tree_root_path()
1057 ret = PTR_ERR(root->node); in read_tree_root_path()
1058 root->node = NULL; in read_tree_root_path()
1061 if (!btrfs_buffer_uptodate(root->node, generation, 0)) { in read_tree_root_path()
1071 btrfs_root_id(root) != BTRFS_TREE_LOG_OBJECTID && in read_tree_root_path()
1072 btrfs_root_id(root) != BTRFS_TREE_RELOC_OBJECTID && in read_tree_root_path()
1073 btrfs_root_id(root) != btrfs_header_owner(root->node)) { in read_tree_root_path()
1076 btrfs_root_id(root), root->node->start, in read_tree_root_path()
1077 btrfs_header_owner(root->node), in read_tree_root_path()
1078 btrfs_root_id(root)); in read_tree_root_path()
1082 root->commit_root = btrfs_root_node(root); in read_tree_root_path()
1083 return root; in read_tree_root_path()
1085 btrfs_put_root(root); in read_tree_root_path()
1092 struct btrfs_root *root; in btrfs_read_tree_root() local
1098 root = read_tree_root_path(tree_root, path, key); in btrfs_read_tree_root()
1101 return root; in btrfs_read_tree_root()
1109 static int btrfs_init_fs_root(struct btrfs_root *root, dev_t anon_dev) in btrfs_init_fs_root() argument
1113 btrfs_drew_lock_init(&root->snapshot_lock); in btrfs_init_fs_root()
1115 if (btrfs_root_id(root) != BTRFS_TREE_LOG_OBJECTID && in btrfs_init_fs_root()
1116 !btrfs_is_data_reloc_root(root) && in btrfs_init_fs_root()
1117 is_fstree(btrfs_root_id(root))) { in btrfs_init_fs_root()
1118 set_bit(BTRFS_ROOT_SHAREABLE, &root->state); in btrfs_init_fs_root()
1119 btrfs_check_and_init_root_item(&root->root_item); in btrfs_init_fs_root()
1126 if (is_fstree(btrfs_root_id(root)) && in btrfs_init_fs_root()
1127 btrfs_root_refs(&root->root_item) > 0) { in btrfs_init_fs_root()
1129 ret = get_anon_bdev(&root->anon_dev); in btrfs_init_fs_root()
1133 root->anon_dev = anon_dev; in btrfs_init_fs_root()
1137 mutex_lock(&root->objectid_mutex); in btrfs_init_fs_root()
1138 ret = btrfs_init_root_free_objectid(root); in btrfs_init_fs_root()
1140 mutex_unlock(&root->objectid_mutex); in btrfs_init_fs_root()
1144 ASSERT(root->free_objectid <= BTRFS_LAST_FREE_OBJECTID); in btrfs_init_fs_root()
1146 mutex_unlock(&root->objectid_mutex); in btrfs_init_fs_root()
1157 struct btrfs_root *root; in btrfs_lookup_fs_root() local
1160 root = radix_tree_lookup(&fs_info->fs_roots_radix, in btrfs_lookup_fs_root()
1162 root = btrfs_grab_root(root); in btrfs_lookup_fs_root()
1164 return root; in btrfs_lookup_fs_root()
1203 struct btrfs_root *root) in btrfs_insert_fs_root() argument
1213 (unsigned long)btrfs_root_id(root), in btrfs_insert_fs_root()
1214 root); in btrfs_insert_fs_root()
1216 btrfs_grab_root(root); in btrfs_insert_fs_root()
1217 set_bit(BTRFS_ROOT_IN_RADIX, &root->state); in btrfs_insert_fs_root()
1228 struct btrfs_root *root; in btrfs_check_leaked_roots() local
1233 root = list_first_entry(&fs_info->allocated_roots, in btrfs_check_leaked_roots()
1236 btrfs_root_name(&root->root_key, buf), in btrfs_check_leaked_roots()
1237 refcount_read(&root->refs)); in btrfs_check_leaked_roots()
1239 while (refcount_read(&root->refs) > 1) in btrfs_check_leaked_roots()
1240 btrfs_put_root(root); in btrfs_check_leaked_roots()
1241 btrfs_put_root(root); in btrfs_check_leaked_roots()
1248 struct btrfs_root *root; in free_global_roots() local
1252 root = rb_entry(node, struct btrfs_root, rb_node); in free_global_roots()
1253 rb_erase(&root->rb_node, &fs_info->global_root_tree); in free_global_roots()
1254 btrfs_put_root(root); in free_global_roots()
1314 struct btrfs_root *root; in btrfs_get_root_ref() local
1319 root = btrfs_get_global_root(fs_info, objectid); in btrfs_get_root_ref()
1320 if (root) in btrfs_get_root_ref()
1321 return root; in btrfs_get_root_ref()
1333 root = btrfs_lookup_fs_root(fs_info, objectid); in btrfs_get_root_ref()
1334 if (root) { in btrfs_get_root_ref()
1346 if (check_ref && btrfs_root_refs(&root->root_item) == 0) { in btrfs_get_root_ref()
1347 btrfs_put_root(root); in btrfs_get_root_ref()
1350 return root; in btrfs_get_root_ref()
1356 root = btrfs_read_tree_root(fs_info->tree_root, &key); in btrfs_get_root_ref()
1357 if (IS_ERR(root)) in btrfs_get_root_ref()
1358 return root; in btrfs_get_root_ref()
1360 if (check_ref && btrfs_root_refs(&root->root_item) == 0) { in btrfs_get_root_ref()
1365 ret = btrfs_init_fs_root(root, anon_dev ? *anon_dev : 0); in btrfs_get_root_ref()
1383 set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state); in btrfs_get_root_ref()
1385 ret = btrfs_insert_fs_root(fs_info, root); in btrfs_get_root_ref()
1388 btrfs_put_root(root); in btrfs_get_root_ref()
1393 return root; in btrfs_get_root_ref()
1402 root->anon_dev = 0; in btrfs_get_root_ref()
1403 btrfs_put_root(root); in btrfs_get_root_ref()
1453 struct btrfs_root *root; in btrfs_get_fs_root_commit_root() local
1464 root = btrfs_get_global_root(fs_info, objectid); in btrfs_get_fs_root_commit_root()
1465 if (root) in btrfs_get_fs_root_commit_root()
1466 return root; in btrfs_get_fs_root_commit_root()
1468 root = btrfs_lookup_fs_root(fs_info, objectid); in btrfs_get_fs_root_commit_root()
1469 if (root) in btrfs_get_fs_root_commit_root()
1470 return root; in btrfs_get_fs_root_commit_root()
1475 root = read_tree_root_path(fs_info->tree_root, path, &key); in btrfs_get_fs_root_commit_root()
1478 return root; in btrfs_get_fs_root_commit_root()
1560 struct btrfs_root *root = arg; in transaction_kthread() local
1561 struct btrfs_fs_info *fs_info = root->fs_info; in transaction_kthread()
1595 trans = btrfs_attach_transaction(root); in transaction_kthread()
1805 static void free_root_extent_buffers(struct btrfs_root *root) in free_root_extent_buffers() argument
1807 if (root) { in free_root_extent_buffers()
1808 free_extent_buffer(root->node); in free_root_extent_buffers()
1809 free_extent_buffer(root->commit_root); in free_root_extent_buffers()
1810 root->node = NULL; in free_root_extent_buffers()
1811 root->commit_root = NULL; in free_root_extent_buffers()
1817 struct btrfs_root *root, *tmp; in free_global_root_pointers() local
1819 rbtree_postorder_for_each_entry_safe(root, tmp, in free_global_root_pointers()
1822 free_root_extent_buffers(root); in free_global_root_pointers()
1842 void btrfs_put_root(struct btrfs_root *root) in btrfs_put_root() argument
1844 if (!root) in btrfs_put_root()
1847 if (refcount_dec_and_test(&root->refs)) { in btrfs_put_root()
1848 if (WARN_ON(!xa_empty(&root->inodes))) in btrfs_put_root()
1849 xa_destroy(&root->inodes); in btrfs_put_root()
1850 WARN_ON(test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state)); in btrfs_put_root()
1851 if (root->anon_dev) in btrfs_put_root()
1852 free_anon_bdev(root->anon_dev); in btrfs_put_root()
1853 free_root_extent_buffers(root); in btrfs_put_root()
1855 spin_lock(&root->fs_info->fs_roots_radix_lock); in btrfs_put_root()
1856 list_del_init(&root->leak_list); in btrfs_put_root()
1857 spin_unlock(&root->fs_info->fs_roots_radix_lock); in btrfs_put_root()
1859 kfree(root); in btrfs_put_root()
1938 BTRFS_I(inode)->root = btrfs_grab_root(fs_info->tree_root); in btrfs_init_btree_inode()
2124 struct btrfs_root *root; in load_global_roots_objectid() local
2169 root = read_tree_root_path(tree_root, path, &key); in load_global_roots_objectid()
2170 if (IS_ERR(root)) { in load_global_roots_objectid()
2172 ret = PTR_ERR(root); in load_global_roots_objectid()
2175 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in load_global_roots_objectid()
2176 ret = btrfs_global_root_insert(root); in load_global_roots_objectid()
2178 btrfs_put_root(root); in load_global_roots_objectid()
2231 struct btrfs_root *root; in btrfs_read_roots() local
2246 root = btrfs_read_tree_root(tree_root, &location); in btrfs_read_roots()
2247 if (IS_ERR(root)) { in btrfs_read_roots()
2249 ret = PTR_ERR(root); in btrfs_read_roots()
2253 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_read_roots()
2254 fs_info->block_group_root = root; in btrfs_read_roots()
2259 root = btrfs_read_tree_root(tree_root, &location); in btrfs_read_roots()
2260 if (IS_ERR(root)) { in btrfs_read_roots()
2262 ret = PTR_ERR(root); in btrfs_read_roots()
2266 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_read_roots()
2267 fs_info->dev_root = root; in btrfs_read_roots()
2278 root = btrfs_get_fs_root(tree_root->fs_info, in btrfs_read_roots()
2280 if (IS_ERR(root)) { in btrfs_read_roots()
2282 ret = PTR_ERR(root); in btrfs_read_roots()
2286 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_read_roots()
2287 fs_info->data_reloc_root = root; in btrfs_read_roots()
2291 root = btrfs_read_tree_root(tree_root, &location); in btrfs_read_roots()
2292 if (!IS_ERR(root)) { in btrfs_read_roots()
2293 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_read_roots()
2294 fs_info->quota_root = root; in btrfs_read_roots()
2298 root = btrfs_read_tree_root(tree_root, &location); in btrfs_read_roots()
2299 if (IS_ERR(root)) { in btrfs_read_roots()
2301 ret = PTR_ERR(root); in btrfs_read_roots()
2306 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_read_roots()
2307 fs_info->uuid_root = root; in btrfs_read_roots()
2312 root = btrfs_read_tree_root(tree_root, &location); in btrfs_read_roots()
2313 if (IS_ERR(root)) { in btrfs_read_roots()
2315 ret = PTR_ERR(root); in btrfs_read_roots()
2319 set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); in btrfs_read_roots()
2320 fs_info->stripe_root = root; in btrfs_read_roots()
2582 static int load_super_root(struct btrfs_root *root, u64 bytenr, u64 gen, int level) in load_super_root() argument
2587 .owner_root = btrfs_root_id(root) in load_super_root()
2591 root->node = read_tree_block(root->fs_info, bytenr, &check); in load_super_root()
2592 if (IS_ERR(root->node)) { in load_super_root()
2593 ret = PTR_ERR(root->node); in load_super_root()
2594 root->node = NULL; in load_super_root()
2597 if (!extent_buffer_uptodate(root->node)) { in load_super_root()
2598 free_extent_buffer(root->node); in load_super_root()
2599 root->node = NULL; in load_super_root()
2603 btrfs_set_root_node(&root->root_item, root->node); in load_super_root()
2604 root->commit_root = btrfs_root_node(root); in load_super_root()
2605 btrfs_set_root_refs(&root->root_item, 1); in load_super_root()
4125 struct btrfs_root *root) in btrfs_drop_and_free_fs_root() argument
4131 (unsigned long)btrfs_root_id(root)); in btrfs_drop_and_free_fs_root()
4132 if (test_and_clear_bit(BTRFS_ROOT_IN_RADIX, &root->state)) in btrfs_drop_and_free_fs_root()
4137 ASSERT(root->log_root == NULL); in btrfs_drop_and_free_fs_root()
4138 if (root->reloc_root) { in btrfs_drop_and_free_fs_root()
4139 btrfs_put_root(root->reloc_root); in btrfs_drop_and_free_fs_root()
4140 root->reloc_root = NULL; in btrfs_drop_and_free_fs_root()
4145 btrfs_put_root(root); in btrfs_drop_and_free_fs_root()
4489 static void btrfs_destroy_ordered_extents(struct btrfs_root *root) in btrfs_destroy_ordered_extents() argument
4493 spin_lock(&root->ordered_extent_lock); in btrfs_destroy_ordered_extents()
4498 list_for_each_entry(ordered, &root->ordered_extents, in btrfs_destroy_ordered_extents()
4501 spin_unlock(&root->ordered_extent_lock); in btrfs_destroy_ordered_extents()
4506 struct btrfs_root *root; in btrfs_destroy_all_ordered_extents() local
4512 root = list_first_entry(&splice, struct btrfs_root, in btrfs_destroy_all_ordered_extents()
4514 list_move_tail(&root->ordered_root, in btrfs_destroy_all_ordered_extents()
4518 btrfs_destroy_ordered_extents(root); in btrfs_destroy_all_ordered_extents()
4603 static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root) in btrfs_destroy_delalloc_inodes() argument
4608 spin_lock(&root->delalloc_lock); in btrfs_destroy_delalloc_inodes()
4609 list_splice_init(&root->delalloc_inodes, &splice); in btrfs_destroy_delalloc_inodes()
4616 spin_unlock(&root->delalloc_lock); in btrfs_destroy_delalloc_inodes()
4631 spin_lock(&root->delalloc_lock); in btrfs_destroy_delalloc_inodes()
4633 spin_unlock(&root->delalloc_lock); in btrfs_destroy_delalloc_inodes()
4638 struct btrfs_root *root; in btrfs_destroy_all_delalloc_inodes() local
4644 root = list_first_entry(&splice, struct btrfs_root, in btrfs_destroy_all_delalloc_inodes()
4646 root = btrfs_grab_root(root); in btrfs_destroy_all_delalloc_inodes()
4647 BUG_ON(!root); in btrfs_destroy_all_delalloc_inodes()
4650 btrfs_destroy_delalloc_inodes(root); in btrfs_destroy_all_delalloc_inodes()
4651 btrfs_put_root(root); in btrfs_destroy_all_delalloc_inodes()
4797 struct btrfs_root *root = gang[i]; in btrfs_free_all_qgroup_pertrans() local
4799 btrfs_qgroup_free_meta_all_pertrans(root); in btrfs_free_all_qgroup_pertrans()
4801 (unsigned long)btrfs_root_id(root), in btrfs_free_all_qgroup_pertrans()
4892 int btrfs_init_root_free_objectid(struct btrfs_root *root) in btrfs_init_root_free_objectid() argument
4908 ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0); in btrfs_init_root_free_objectid()
4923 root->free_objectid = max_t(u64, found_key.objectid + 1, in btrfs_init_root_free_objectid()
4926 root->free_objectid = BTRFS_FIRST_FREE_OBJECTID; in btrfs_init_root_free_objectid()
4934 int btrfs_get_free_objectid(struct btrfs_root *root, u64 *objectid) in btrfs_get_free_objectid() argument
4937 mutex_lock(&root->objectid_mutex); in btrfs_get_free_objectid()
4939 if (unlikely(root->free_objectid >= BTRFS_LAST_FREE_OBJECTID)) { in btrfs_get_free_objectid()
4940 btrfs_warn(root->fs_info, in btrfs_get_free_objectid()
4942 btrfs_root_id(root)); in btrfs_get_free_objectid()
4947 *objectid = root->free_objectid++; in btrfs_get_free_objectid()
4950 mutex_unlock(&root->objectid_mutex); in btrfs_get_free_objectid()