60 static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
229 			BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev;  in btree_get_extent()
244 	em->bdev = BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev;  in btree_get_extent()
277 static int csum_tree_block(struct btrfs_fs_info *fs_info,  in csum_tree_block()  argument
281 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in csum_tree_block()
325 				fs_info->sb->s_id, buf->start,  in csum_tree_block()
373 			eb->fs_info->sb->s_id, eb->start,  in verify_parent_transid()
449 	io_tree = &BTRFS_I(root->fs_info->btree_inode)->io_tree;  in btree_read_extent_buffer_pages()
470 		num_copies = btrfs_num_copies(root->fs_info,  in btree_read_extent_buffer_pages()
499 static int csum_dirty_buffer(struct btrfs_fs_info *fs_info, struct page *page)  in csum_dirty_buffer()  argument
511 	csum_tree_block(fs_info, eb, 0);  in csum_dirty_buffer()
515 static int check_tree_block_fsid(struct btrfs_fs_info *fs_info,  in check_tree_block_fsid()  argument
518 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in check_tree_block_fsid()
534 	btrfs_crit(root->fs_info, "corrupt leaf, %s: block=%llu,"	\
634 			       eb->fs_info->sb->s_id, found_start, eb->start);  in btree_readpage_end_io_hook()
638 	if (check_tree_block_fsid(root->fs_info, eb)) {  in btree_readpage_end_io_hook()
640 			       eb->fs_info->sb->s_id, eb->start);  in btree_readpage_end_io_hook()
646 		btrfs_err(root->fs_info, "bad tree block level %d",  in btree_readpage_end_io_hook()
655 	ret = csum_tree_block(root->fs_info, eb, 1);  in btree_readpage_end_io_hook()
709 	struct btrfs_fs_info *fs_info;  in end_workqueue_bio()  local
713 	fs_info = end_io_wq->info;  in end_workqueue_bio()
718 			wq = fs_info->endio_meta_write_workers;  in end_workqueue_bio()
721 			wq = fs_info->endio_freespace_worker;  in end_workqueue_bio()
724 			wq = fs_info->endio_raid56_workers;  in end_workqueue_bio()
727 			wq = fs_info->endio_write_workers;  in end_workqueue_bio()
733 			wq = fs_info->endio_repair_workers;  in end_workqueue_bio()
736 			wq = fs_info->endio_raid56_workers;  in end_workqueue_bio()
739 			wq = fs_info->endio_meta_workers;  in end_workqueue_bio()
742 			wq = fs_info->endio_workers;  in end_workqueue_bio()
795 	struct btrfs_fs_info *fs_info;  in run_one_async_done()  local
800 	fs_info = BTRFS_I(async->inode)->root->fs_info;  in run_one_async_done()
802 	limit = btrfs_async_submit_limit(fs_info);  in run_one_async_done()
805 	if (atomic_dec_return(&fs_info->nr_async_submits) < limit &&  in run_one_async_done()
806 	    waitqueue_active(&fs_info->async_submit_wait))  in run_one_async_done()
807 		wake_up(&fs_info->async_submit_wait);  in run_one_async_done()
828 int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,  in btrfs_wq_submit_bio()  argument
856 	atomic_inc(&fs_info->nr_async_submits);  in btrfs_wq_submit_bio()
861 	btrfs_queue_work(fs_info->workers, &async->work);  in btrfs_wq_submit_bio()
863 	while (atomic_read(&fs_info->async_submit_draining) &&  in btrfs_wq_submit_bio()
864 	      atomic_read(&fs_info->nr_async_submits)) {  in btrfs_wq_submit_bio()
865 		wait_event(fs_info->async_submit_wait,  in btrfs_wq_submit_bio()
866 			   (atomic_read(&fs_info->nr_async_submits) == 0));  in btrfs_wq_submit_bio()
880 		ret = csum_dirty_buffer(root->fs_info, bvec->bv_page);  in btree_csum_one_bio()
939 		ret = btrfs_bio_wq_end_io(BTRFS_I(inode)->root->fs_info,  in btree_submit_bio_hook()
956 		ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,  in btree_submit_bio_hook()
996 	struct btrfs_fs_info *fs_info;  in btree_writepages()  local
1004 		fs_info = BTRFS_I(mapping->host)->root->fs_info;  in btree_writepages()
1006 		ret = percpu_counter_compare(&fs_info->dirty_metadata_bytes,  in btree_writepages()
1037 		btrfs_warn(BTRFS_I(page->mapping->host)->root->fs_info,  in btree_invalidatepage()
1075 	struct inode *btree_inode = root->fs_info->btree_inode;  in readahead_tree_block()
1089 	struct inode *btree_inode = root->fs_info->btree_inode;  in reada_tree_block_flagged()
1117 struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info,  in btrfs_find_tree_block()  argument
1120 	return find_extent_buffer(fs_info, bytenr);  in btrfs_find_tree_block()
1127 		return alloc_test_extent_buffer(root->fs_info, bytenr);  in btrfs_find_create_tree_block()
1128 	return alloc_extent_buffer(root->fs_info, bytenr);  in btrfs_find_create_tree_block()
1164 		      struct btrfs_fs_info *fs_info,  in clean_tree_block()  argument
1168 	    fs_info->running_transaction->transid) {  in clean_tree_block()
1172 			__percpu_counter_add(&fs_info->dirty_metadata_bytes,  in clean_tree_block()
1174 					     fs_info->dirty_metadata_batch);  in clean_tree_block()
1209 			 struct btrfs_root *root, struct btrfs_fs_info *fs_info,  in __setup_root()  argument
1265 	if (fs_info)  in __setup_root()
1267 				     fs_info->btree_inode->i_mapping);  in __setup_root()
1272 	if (fs_info)  in __setup_root()
1273 		root->defrag_trans_start = fs_info->generation;  in __setup_root()
1282 static struct btrfs_root *btrfs_alloc_root(struct btrfs_fs_info *fs_info)  in btrfs_alloc_root()  argument
1286 		root->fs_info = fs_info;  in btrfs_alloc_root()
1308 				     struct btrfs_fs_info *fs_info,  in btrfs_create_tree()  argument
1312 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_create_tree()
1318 	root = btrfs_alloc_root(fs_info);  in btrfs_create_tree()
1323 		tree_root->stripesize, root, fs_info, objectid);  in btrfs_create_tree()
1342 	write_extent_buffer(leaf, fs_info->fsid, btrfs_header_fsid(),  in btrfs_create_tree()
1344 	write_extent_buffer(leaf, fs_info->chunk_tree_uuid,  in btrfs_create_tree()
1388 					 struct btrfs_fs_info *fs_info)  in alloc_log_tree()  argument
1391 	struct btrfs_root *tree_root = fs_info->tree_root;  in alloc_log_tree()
1394 	root = btrfs_alloc_root(fs_info);  in alloc_log_tree()
1399 		     tree_root->stripesize, root, fs_info,  in alloc_log_tree()
1429 	write_extent_buffer(root->node, root->fs_info->fsid,  in alloc_log_tree()
1437 			     struct btrfs_fs_info *fs_info)  in btrfs_init_log_root_tree()  argument
1441 	log_root = alloc_log_tree(trans, fs_info);  in btrfs_init_log_root_tree()
1444 	WARN_ON(fs_info->log_root_tree);  in btrfs_init_log_root_tree()
1445 	fs_info->log_root_tree = log_root;  in btrfs_init_log_root_tree()
1455 	log_root = alloc_log_tree(trans, root->fs_info);  in btrfs_add_log_tree()
1483 	struct btrfs_fs_info *fs_info = tree_root->fs_info;  in btrfs_read_tree_root()  local
1492 	root = btrfs_alloc_root(fs_info);  in btrfs_read_tree_root()
1499 		tree_root->stripesize, root, fs_info, key->objectid);  in btrfs_read_tree_root()
1602 static struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info,  in btrfs_lookup_fs_root()  argument
1607 	spin_lock(&fs_info->fs_roots_radix_lock);  in btrfs_lookup_fs_root()
1608 	root = radix_tree_lookup(&fs_info->fs_roots_radix,  in btrfs_lookup_fs_root()
1610 	spin_unlock(&fs_info->fs_roots_radix_lock);  in btrfs_lookup_fs_root()
1614 int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info,  in btrfs_insert_fs_root()  argument
1623 	spin_lock(&fs_info->fs_roots_radix_lock);  in btrfs_insert_fs_root()
1624 	ret = radix_tree_insert(&fs_info->fs_roots_radix,  in btrfs_insert_fs_root()
1629 	spin_unlock(&fs_info->fs_roots_radix_lock);  in btrfs_insert_fs_root()
1635 struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,  in btrfs_get_fs_root()  argument
1645 		return fs_info->tree_root;  in btrfs_get_fs_root()
1647 		return fs_info->extent_root;  in btrfs_get_fs_root()
1649 		return fs_info->chunk_root;  in btrfs_get_fs_root()
1651 		return fs_info->dev_root;  in btrfs_get_fs_root()
1653 		return fs_info->csum_root;  in btrfs_get_fs_root()
1655 		return fs_info->quota_root ? fs_info->quota_root :  in btrfs_get_fs_root()
1658 		return fs_info->uuid_root ? fs_info->uuid_root :  in btrfs_get_fs_root()
1661 	root = btrfs_lookup_fs_root(fs_info, location->objectid);  in btrfs_get_fs_root()
1668 	root = btrfs_read_fs_root(fs_info->tree_root, location);  in btrfs_get_fs_root()
1690 	ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0);  in btrfs_get_fs_root()
1697 	ret = btrfs_insert_fs_root(fs_info, root);  in btrfs_get_fs_root()
1778 		if (!mutex_trylock(&root->fs_info->cleaner_mutex))  in cleaner_kthread()
1786 			mutex_unlock(&root->fs_info->cleaner_mutex);  in cleaner_kthread()
1790 		mutex_lock(&root->fs_info->cleaner_delayed_iput_mutex);  in cleaner_kthread()
1792 		btrfs_delete_unused_bgs(root->fs_info);  in cleaner_kthread()
1793 		mutex_unlock(&root->fs_info->cleaner_delayed_iput_mutex);  in cleaner_kthread()
1796 		mutex_unlock(&root->fs_info->cleaner_mutex);  in cleaner_kthread()
1802 		btrfs_run_defrag_inodes(root->fs_info);  in cleaner_kthread()
1826 		delay = HZ * root->fs_info->commit_interval;  in transaction_kthread()
1827 		mutex_lock(&root->fs_info->transaction_kthread_mutex);  in transaction_kthread()
1829 		spin_lock(&root->fs_info->trans_lock);  in transaction_kthread()
1830 		cur = root->fs_info->running_transaction;  in transaction_kthread()
1832 			spin_unlock(&root->fs_info->trans_lock);  in transaction_kthread()
1839 		     now - cur->start_time < root->fs_info->commit_interval)) {  in transaction_kthread()
1840 			spin_unlock(&root->fs_info->trans_lock);  in transaction_kthread()
1845 		spin_unlock(&root->fs_info->trans_lock);  in transaction_kthread()
1860 		wake_up_process(root->fs_info->cleaner_kthread);  in transaction_kthread()
1861 		mutex_unlock(&root->fs_info->transaction_kthread_mutex);  in transaction_kthread()
1864 				      &root->fs_info->fs_state)))  in transaction_kthread()
1869 			    (!btrfs_transaction_blocked(root->fs_info) ||  in transaction_kthread()
2078 static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info)  in btrfs_stop_all_workers()  argument
2080 	btrfs_destroy_workqueue(fs_info->fixup_workers);  in btrfs_stop_all_workers()
2081 	btrfs_destroy_workqueue(fs_info->delalloc_workers);  in btrfs_stop_all_workers()
2082 	btrfs_destroy_workqueue(fs_info->workers);  in btrfs_stop_all_workers()
2083 	btrfs_destroy_workqueue(fs_info->endio_workers);  in btrfs_stop_all_workers()
2084 	btrfs_destroy_workqueue(fs_info->endio_meta_workers);  in btrfs_stop_all_workers()
2085 	btrfs_destroy_workqueue(fs_info->endio_raid56_workers);  in btrfs_stop_all_workers()
2086 	btrfs_destroy_workqueue(fs_info->endio_repair_workers);  in btrfs_stop_all_workers()
2087 	btrfs_destroy_workqueue(fs_info->rmw_workers);  in btrfs_stop_all_workers()
2088 	btrfs_destroy_workqueue(fs_info->endio_meta_write_workers);  in btrfs_stop_all_workers()
2089 	btrfs_destroy_workqueue(fs_info->endio_write_workers);  in btrfs_stop_all_workers()
2090 	btrfs_destroy_workqueue(fs_info->endio_freespace_worker);  in btrfs_stop_all_workers()
2091 	btrfs_destroy_workqueue(fs_info->submit_workers);  in btrfs_stop_all_workers()
2092 	btrfs_destroy_workqueue(fs_info->delayed_workers);  in btrfs_stop_all_workers()
2093 	btrfs_destroy_workqueue(fs_info->caching_workers);  in btrfs_stop_all_workers()
2094 	btrfs_destroy_workqueue(fs_info->readahead_workers);  in btrfs_stop_all_workers()
2095 	btrfs_destroy_workqueue(fs_info->flush_workers);  in btrfs_stop_all_workers()
2096 	btrfs_destroy_workqueue(fs_info->qgroup_rescan_workers);  in btrfs_stop_all_workers()
2097 	btrfs_destroy_workqueue(fs_info->extent_workers);  in btrfs_stop_all_workers()
2124 void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info)  in btrfs_free_fs_roots()  argument
2130 	while (!list_empty(&fs_info->dead_roots)) {  in btrfs_free_fs_roots()
2131 		gang[0] = list_entry(fs_info->dead_roots.next,  in btrfs_free_fs_roots()
2136 			btrfs_drop_and_free_fs_root(fs_info, gang[0]);  in btrfs_free_fs_roots()
2145 		ret = radix_tree_gang_lookup(&fs_info->fs_roots_radix,  in btrfs_free_fs_roots()
2151 			btrfs_drop_and_free_fs_root(fs_info, gang[i]);  in btrfs_free_fs_roots()
2154 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {  in btrfs_free_fs_roots()
2155 		btrfs_free_log_root_tree(NULL, fs_info);  in btrfs_free_fs_roots()
2156 		btrfs_destroy_pinned_extent(fs_info->tree_root,  in btrfs_free_fs_roots()
2157 					    fs_info->pinned_extents);  in btrfs_free_fs_roots()
2161 static void btrfs_init_scrub(struct btrfs_fs_info *fs_info)  in btrfs_init_scrub()  argument
2163 	mutex_init(&fs_info->scrub_lock);  in btrfs_init_scrub()
2164 	atomic_set(&fs_info->scrubs_running, 0);  in btrfs_init_scrub()
2165 	atomic_set(&fs_info->scrub_pause_req, 0);  in btrfs_init_scrub()
2166 	atomic_set(&fs_info->scrubs_paused, 0);  in btrfs_init_scrub()
2167 	atomic_set(&fs_info->scrub_cancel_req, 0);  in btrfs_init_scrub()
2168 	init_waitqueue_head(&fs_info->scrub_pause_wait);  in btrfs_init_scrub()
2169 	fs_info->scrub_workers_refcnt = 0;  in btrfs_init_scrub()
2172 static void btrfs_init_balance(struct btrfs_fs_info *fs_info)  in btrfs_init_balance()  argument
2174 	spin_lock_init(&fs_info->balance_lock);  in btrfs_init_balance()
2175 	mutex_init(&fs_info->balance_mutex);  in btrfs_init_balance()
2176 	atomic_set(&fs_info->balance_running, 0);  in btrfs_init_balance()
2177 	atomic_set(&fs_info->balance_pause_req, 0);  in btrfs_init_balance()
2178 	atomic_set(&fs_info->balance_cancel_req, 0);  in btrfs_init_balance()
2179 	fs_info->balance_ctl = NULL;  in btrfs_init_balance()
2180 	init_waitqueue_head(&fs_info->balance_wait_q);  in btrfs_init_balance()
2183 static void btrfs_init_btree_inode(struct btrfs_fs_info *fs_info,  in btrfs_init_btree_inode()  argument
2186 	fs_info->btree_inode->i_ino = BTRFS_BTREE_INODE_OBJECTID;  in btrfs_init_btree_inode()
2187 	set_nlink(fs_info->btree_inode, 1);  in btrfs_init_btree_inode()
2193 	fs_info->btree_inode->i_size = OFFSET_MAX;  in btrfs_init_btree_inode()
2194 	fs_info->btree_inode->i_mapping->a_ops = &btree_aops;  in btrfs_init_btree_inode()
2196 	RB_CLEAR_NODE(&BTRFS_I(fs_info->btree_inode)->rb_node);  in btrfs_init_btree_inode()
2197 	extent_io_tree_init(&BTRFS_I(fs_info->btree_inode)->io_tree,  in btrfs_init_btree_inode()
2198 			     fs_info->btree_inode->i_mapping);  in btrfs_init_btree_inode()
2199 	BTRFS_I(fs_info->btree_inode)->io_tree.track_uptodate = 0;  in btrfs_init_btree_inode()
2200 	extent_map_tree_init(&BTRFS_I(fs_info->btree_inode)->extent_tree);  in btrfs_init_btree_inode()
2202 	BTRFS_I(fs_info->btree_inode)->io_tree.ops = &btree_extent_io_ops;  in btrfs_init_btree_inode()
2204 	BTRFS_I(fs_info->btree_inode)->root = tree_root;  in btrfs_init_btree_inode()
2205 	memset(&BTRFS_I(fs_info->btree_inode)->location, 0,  in btrfs_init_btree_inode()
2208 		&BTRFS_I(fs_info->btree_inode)->runtime_flags);  in btrfs_init_btree_inode()
2209 	btrfs_insert_inode_hash(fs_info->btree_inode);  in btrfs_init_btree_inode()
2212 static void btrfs_init_dev_replace_locks(struct btrfs_fs_info *fs_info)  in btrfs_init_dev_replace_locks()  argument
2214 	fs_info->dev_replace.lock_owner = 0;  in btrfs_init_dev_replace_locks()
2215 	atomic_set(&fs_info->dev_replace.nesting_level, 0);  in btrfs_init_dev_replace_locks()
2216 	mutex_init(&fs_info->dev_replace.lock_finishing_cancel_unmount);  in btrfs_init_dev_replace_locks()
2217 	mutex_init(&fs_info->dev_replace.lock_management_lock);  in btrfs_init_dev_replace_locks()
2218 	mutex_init(&fs_info->dev_replace.lock);  in btrfs_init_dev_replace_locks()
2219 	init_waitqueue_head(&fs_info->replace_wait);  in btrfs_init_dev_replace_locks()
2222 static void btrfs_init_qgroup(struct btrfs_fs_info *fs_info)  in btrfs_init_qgroup()  argument
2224 	spin_lock_init(&fs_info->qgroup_lock);  in btrfs_init_qgroup()
2225 	mutex_init(&fs_info->qgroup_ioctl_lock);  in btrfs_init_qgroup()
2226 	fs_info->qgroup_tree = RB_ROOT;  in btrfs_init_qgroup()
2227 	fs_info->qgroup_op_tree = RB_ROOT;  in btrfs_init_qgroup()
2228 	INIT_LIST_HEAD(&fs_info->dirty_qgroups);  in btrfs_init_qgroup()
2229 	fs_info->qgroup_seq = 1;  in btrfs_init_qgroup()
2230 	fs_info->quota_enabled = 0;  in btrfs_init_qgroup()
2231 	fs_info->pending_quota_state = 0;  in btrfs_init_qgroup()
2232 	fs_info->qgroup_ulist = NULL;  in btrfs_init_qgroup()
2233 	mutex_init(&fs_info->qgroup_rescan_lock);  in btrfs_init_qgroup()
2236 static int btrfs_init_workqueues(struct btrfs_fs_info *fs_info,  in btrfs_init_workqueues()  argument
2239 	int max_active = fs_info->thread_pool_size;  in btrfs_init_workqueues()
2242 	fs_info->workers =  in btrfs_init_workqueues()
2246 	fs_info->delalloc_workers =  in btrfs_init_workqueues()
2249 	fs_info->flush_workers =  in btrfs_init_workqueues()
2252 	fs_info->caching_workers =  in btrfs_init_workqueues()
2260 	fs_info->submit_workers =  in btrfs_init_workqueues()
2265 	fs_info->fixup_workers =  in btrfs_init_workqueues()
2272 	fs_info->endio_workers =  in btrfs_init_workqueues()
2274 	fs_info->endio_meta_workers =  in btrfs_init_workqueues()
2276 	fs_info->endio_meta_write_workers =  in btrfs_init_workqueues()
2278 	fs_info->endio_raid56_workers =  in btrfs_init_workqueues()
2280 	fs_info->endio_repair_workers =  in btrfs_init_workqueues()
2282 	fs_info->rmw_workers =  in btrfs_init_workqueues()
2284 	fs_info->endio_write_workers =  in btrfs_init_workqueues()
2286 	fs_info->endio_freespace_worker =  in btrfs_init_workqueues()
2288 	fs_info->delayed_workers =  in btrfs_init_workqueues()
2290 	fs_info->readahead_workers =  in btrfs_init_workqueues()
2292 	fs_info->qgroup_rescan_workers =  in btrfs_init_workqueues()
2294 	fs_info->extent_workers =  in btrfs_init_workqueues()
2299 	if (!(fs_info->workers && fs_info->delalloc_workers &&  in btrfs_init_workqueues()
2300 	      fs_info->submit_workers && fs_info->flush_workers &&  in btrfs_init_workqueues()
2301 	      fs_info->endio_workers && fs_info->endio_meta_workers &&  in btrfs_init_workqueues()
2302 	      fs_info->endio_meta_write_workers &&  in btrfs_init_workqueues()
2303 	      fs_info->endio_repair_workers &&  in btrfs_init_workqueues()
2304 	      fs_info->endio_write_workers && fs_info->endio_raid56_workers &&  in btrfs_init_workqueues()
2305 	      fs_info->endio_freespace_worker && fs_info->rmw_workers &&  in btrfs_init_workqueues()
2306 	      fs_info->caching_workers && fs_info->readahead_workers &&  in btrfs_init_workqueues()
2307 	      fs_info->fixup_workers && fs_info->delayed_workers &&  in btrfs_init_workqueues()
2308 	      fs_info->extent_workers &&  in btrfs_init_workqueues()
2309 	      fs_info->qgroup_rescan_workers)) {  in btrfs_init_workqueues()
2316 static int btrfs_replay_log(struct btrfs_fs_info *fs_info,  in btrfs_replay_log()  argument
2320 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_replay_log()
2322 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_replay_log()
2331 	log_tree_root = btrfs_alloc_root(fs_info);  in btrfs_replay_log()
2336 			tree_root->stripesize, log_tree_root, fs_info,  in btrfs_replay_log()
2340 			fs_info->generation + 1);  in btrfs_replay_log()
2351 		btrfs_error(tree_root->fs_info, ret,  in btrfs_replay_log()
2358 	if (fs_info->sb->s_flags & MS_RDONLY) {  in btrfs_replay_log()
2367 static int btrfs_read_roots(struct btrfs_fs_info *fs_info,  in btrfs_read_roots()  argument
2382 	fs_info->extent_root = root;  in btrfs_read_roots()
2389 	fs_info->dev_root = root;  in btrfs_read_roots()
2390 	btrfs_init_devices_late(fs_info);  in btrfs_read_roots()
2397 	fs_info->csum_root = root;  in btrfs_read_roots()
2403 		fs_info->quota_enabled = 1;  in btrfs_read_roots()
2404 		fs_info->pending_quota_state = 1;  in btrfs_read_roots()
2405 		fs_info->quota_root = root;  in btrfs_read_roots()
2416 		fs_info->uuid_root = root;  in btrfs_read_roots()
2434 	struct btrfs_fs_info *fs_info = btrfs_sb(sb);  in open_ctree()  local
2443 	tree_root = fs_info->tree_root = btrfs_alloc_root(fs_info);  in open_ctree()
2444 	chunk_root = fs_info->chunk_root = btrfs_alloc_root(fs_info);  in open_ctree()
2450 	ret = init_srcu_struct(&fs_info->subvol_srcu);  in open_ctree()
2456 	ret = setup_bdi(fs_info, &fs_info->bdi);  in open_ctree()
2462 	ret = percpu_counter_init(&fs_info->dirty_metadata_bytes, 0, GFP_KERNEL);  in open_ctree()
2467 	fs_info->dirty_metadata_batch = PAGE_CACHE_SIZE *  in open_ctree()
2470 	ret = percpu_counter_init(&fs_info->delalloc_bytes, 0, GFP_KERNEL);  in open_ctree()
2476 	ret = percpu_counter_init(&fs_info->bio_counter, 0, GFP_KERNEL);  in open_ctree()
2482 	fs_info->btree_inode = new_inode(sb);  in open_ctree()
2483 	if (!fs_info->btree_inode) {  in open_ctree()
2488 	mapping_set_gfp_mask(fs_info->btree_inode->i_mapping, GFP_NOFS);  in open_ctree()
2490 	INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_ATOMIC);  in open_ctree()
2491 	INIT_RADIX_TREE(&fs_info->buffer_radix, GFP_ATOMIC);  in open_ctree()
2492 	INIT_LIST_HEAD(&fs_info->trans_list);  in open_ctree()
2493 	INIT_LIST_HEAD(&fs_info->dead_roots);  in open_ctree()
2494 	INIT_LIST_HEAD(&fs_info->delayed_iputs);  in open_ctree()
2495 	INIT_LIST_HEAD(&fs_info->delalloc_roots);  in open_ctree()
2496 	INIT_LIST_HEAD(&fs_info->caching_block_groups);  in open_ctree()
2497 	spin_lock_init(&fs_info->delalloc_root_lock);  in open_ctree()
2498 	spin_lock_init(&fs_info->trans_lock);  in open_ctree()
2499 	spin_lock_init(&fs_info->fs_roots_radix_lock);  in open_ctree()
2500 	spin_lock_init(&fs_info->delayed_iput_lock);  in open_ctree()
2501 	spin_lock_init(&fs_info->defrag_inodes_lock);  in open_ctree()
2502 	spin_lock_init(&fs_info->free_chunk_lock);  in open_ctree()
2503 	spin_lock_init(&fs_info->tree_mod_seq_lock);  in open_ctree()
2504 	spin_lock_init(&fs_info->super_lock);  in open_ctree()
2505 	spin_lock_init(&fs_info->qgroup_op_lock);  in open_ctree()
2506 	spin_lock_init(&fs_info->buffer_lock);  in open_ctree()
2507 	spin_lock_init(&fs_info->unused_bgs_lock);  in open_ctree()
2508 	rwlock_init(&fs_info->tree_mod_log_lock);  in open_ctree()
2509 	mutex_init(&fs_info->unused_bg_unpin_mutex);  in open_ctree()
2510 	mutex_init(&fs_info->reloc_mutex);  in open_ctree()
2511 	mutex_init(&fs_info->delalloc_root_mutex);  in open_ctree()
2512 	mutex_init(&fs_info->cleaner_delayed_iput_mutex);  in open_ctree()
2513 	seqlock_init(&fs_info->profiles_lock);  in open_ctree()
2515 	init_completion(&fs_info->kobj_unregister);  in open_ctree()
2516 	INIT_LIST_HEAD(&fs_info->dirty_cowonly_roots);  in open_ctree()
2517 	INIT_LIST_HEAD(&fs_info->space_info);  in open_ctree()
2518 	INIT_LIST_HEAD(&fs_info->tree_mod_seq_list);  in open_ctree()
2519 	INIT_LIST_HEAD(&fs_info->unused_bgs);  in open_ctree()
2520 	btrfs_mapping_init(&fs_info->mapping_tree);  in open_ctree()
2521 	btrfs_init_block_rsv(&fs_info->global_block_rsv,  in open_ctree()
2523 	btrfs_init_block_rsv(&fs_info->delalloc_block_rsv,  in open_ctree()
2525 	btrfs_init_block_rsv(&fs_info->trans_block_rsv, BTRFS_BLOCK_RSV_TRANS);  in open_ctree()
2526 	btrfs_init_block_rsv(&fs_info->chunk_block_rsv, BTRFS_BLOCK_RSV_CHUNK);  in open_ctree()
2527 	btrfs_init_block_rsv(&fs_info->empty_block_rsv, BTRFS_BLOCK_RSV_EMPTY);  in open_ctree()
2528 	btrfs_init_block_rsv(&fs_info->delayed_block_rsv,  in open_ctree()
2530 	atomic_set(&fs_info->nr_async_submits, 0);  in open_ctree()
2531 	atomic_set(&fs_info->async_delalloc_pages, 0);  in open_ctree()
2532 	atomic_set(&fs_info->async_submit_draining, 0);  in open_ctree()
2533 	atomic_set(&fs_info->nr_async_bios, 0);  in open_ctree()
2534 	atomic_set(&fs_info->defrag_running, 0);  in open_ctree()
2535 	atomic_set(&fs_info->qgroup_op_seq, 0);  in open_ctree()
2536 	atomic64_set(&fs_info->tree_mod_seq, 0);  in open_ctree()
2537 	fs_info->sb = sb;  in open_ctree()
2538 	fs_info->max_inline = BTRFS_DEFAULT_MAX_INLINE;  in open_ctree()
2539 	fs_info->metadata_ratio = 0;  in open_ctree()
2540 	fs_info->defrag_inodes = RB_ROOT;  in open_ctree()
2541 	fs_info->free_chunk_space = 0;  in open_ctree()
2542 	fs_info->tree_mod_log = RB_ROOT;  in open_ctree()
2543 	fs_info->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL;  in open_ctree()
2544 	fs_info->avg_delayed_ref_runtime = NSEC_PER_SEC >> 6; /* div by 64 */  in open_ctree()
2546 	INIT_RADIX_TREE(&fs_info->reada_tree, GFP_NOFS & ~__GFP_WAIT);  in open_ctree()
2547 	spin_lock_init(&fs_info->reada_lock);  in open_ctree()
2549 	fs_info->thread_pool_size = min_t(unsigned long,  in open_ctree()
2552 	INIT_LIST_HEAD(&fs_info->ordered_roots);  in open_ctree()
2553 	spin_lock_init(&fs_info->ordered_root_lock);  in open_ctree()
2554 	fs_info->delayed_root = kmalloc(sizeof(struct btrfs_delayed_root),  in open_ctree()
2556 	if (!fs_info->delayed_root) {  in open_ctree()
2560 	btrfs_init_delayed_root(fs_info->delayed_root);  in open_ctree()
2562 	btrfs_init_scrub(fs_info);  in open_ctree()
2564 	fs_info->check_integrity_print_mask = 0;  in open_ctree()
2566 	btrfs_init_balance(fs_info);  in open_ctree()
2567 	btrfs_init_async_reclaim_work(&fs_info->async_reclaim_work);  in open_ctree()
2571 	sb->s_bdi = &fs_info->bdi;  in open_ctree()
2573 	btrfs_init_btree_inode(fs_info, tree_root);  in open_ctree()
2575 	spin_lock_init(&fs_info->block_group_cache_lock);  in open_ctree()
2576 	fs_info->block_group_cache_tree = RB_ROOT;  in open_ctree()
2577 	fs_info->first_logical_byte = (u64)-1;  in open_ctree()
2579 	extent_io_tree_init(&fs_info->freed_extents[0],  in open_ctree()
2580 			     fs_info->btree_inode->i_mapping);  in open_ctree()
2581 	extent_io_tree_init(&fs_info->freed_extents[1],  in open_ctree()
2582 			     fs_info->btree_inode->i_mapping);  in open_ctree()
2583 	fs_info->pinned_extents = &fs_info->freed_extents[0];  in open_ctree()
2584 	fs_info->do_barriers = 1;  in open_ctree()
2587 	mutex_init(&fs_info->ordered_operations_mutex);  in open_ctree()
2588 	mutex_init(&fs_info->ordered_extent_flush_mutex);  in open_ctree()
2589 	mutex_init(&fs_info->tree_log_mutex);  in open_ctree()
2590 	mutex_init(&fs_info->chunk_mutex);  in open_ctree()
2591 	mutex_init(&fs_info->transaction_kthread_mutex);  in open_ctree()
2592 	mutex_init(&fs_info->cleaner_mutex);  in open_ctree()
2593 	mutex_init(&fs_info->volume_mutex);  in open_ctree()
2594 	mutex_init(&fs_info->ro_block_group_mutex);  in open_ctree()
2595 	init_rwsem(&fs_info->commit_root_sem);  in open_ctree()
2596 	init_rwsem(&fs_info->cleanup_work_sem);  in open_ctree()
2597 	init_rwsem(&fs_info->subvol_sem);  in open_ctree()
2598 	sema_init(&fs_info->uuid_tree_rescan_sem, 1);  in open_ctree()
2600 	btrfs_init_dev_replace_locks(fs_info);  in open_ctree()
2601 	btrfs_init_qgroup(fs_info);  in open_ctree()
2603 	btrfs_init_free_cluster(&fs_info->meta_alloc_cluster);  in open_ctree()
2604 	btrfs_init_free_cluster(&fs_info->data_alloc_cluster);  in open_ctree()
2606 	init_waitqueue_head(&fs_info->transaction_throttle);  in open_ctree()
2607 	init_waitqueue_head(&fs_info->transaction_wait);  in open_ctree()
2608 	init_waitqueue_head(&fs_info->transaction_blocked_wait);  in open_ctree()
2609 	init_waitqueue_head(&fs_info->async_submit_wait);  in open_ctree()
2611 	INIT_LIST_HEAD(&fs_info->pinned_chunks);  in open_ctree()
2613 	ret = btrfs_alloc_stripe_hash_table(fs_info);  in open_ctree()
2620 		     fs_info, BTRFS_ROOT_TREE_OBJECTID);  in open_ctree()
2649 	memcpy(fs_info->super_copy, bh->b_data, sizeof(*fs_info->super_copy));  in open_ctree()
2650 	memcpy(fs_info->super_for_commit, fs_info->super_copy,  in open_ctree()
2651 	       sizeof(*fs_info->super_for_commit));  in open_ctree()
2654 	memcpy(fs_info->fsid, fs_info->super_copy->fsid, BTRFS_FSID_SIZE);  in open_ctree()
2656 	ret = btrfs_check_super_valid(fs_info, sb->s_flags & MS_RDONLY);  in open_ctree()
2663 	disk_super = fs_info->super_copy;  in open_ctree()
2669 		set_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state);  in open_ctree()
2676 	find_oldest_super_backup(fs_info, generation);  in open_ctree()
2682 	fs_info->compress_type = BTRFS_COMPRESS_ZLIB;  in open_ctree()
2722 	if (tree_root->fs_info->compress_type == BTRFS_COMPRESS_LZO)  in open_ctree()
2741 	fs_info->dirty_metadata_batch = nodesize * (1 + ilog2(nr_cpu_ids));  in open_ctree()
2742 	fs_info->delalloc_batch = sectorsize * 512 * (1 + ilog2(nr_cpu_ids));  in open_ctree()
2772 	max_active = fs_info->thread_pool_size;  in open_ctree()
2774 	ret = btrfs_init_workqueues(fs_info, fs_devices);  in open_ctree()
2780 	fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);  in open_ctree()
2781 	fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,  in open_ctree()
2802 	mutex_lock(&fs_info->chunk_mutex);  in open_ctree()
2804 	mutex_unlock(&fs_info->chunk_mutex);  in open_ctree()
2814 		     fs_info, BTRFS_CHUNK_TREE_OBJECTID);  in open_ctree()
2828 	read_extent_buffer(chunk_root->node, fs_info->chunk_tree_uuid,  in open_ctree()
2880 	ret = btrfs_read_roots(fs_info, tree_root);  in open_ctree()
2884 	fs_info->generation = generation;  in open_ctree()
2885 	fs_info->last_trans_committed = generation;  in open_ctree()
2887 	ret = btrfs_recover_balance(fs_info);  in open_ctree()
2893 	ret = btrfs_init_dev_stats(fs_info);  in open_ctree()
2900 	ret = btrfs_init_dev_replace(fs_info);  in open_ctree()
2908 	ret = btrfs_sysfs_add_one(fs_info);  in open_ctree()
2914 	ret = btrfs_init_space_info(fs_info);  in open_ctree()
2920 	ret = btrfs_read_block_groups(fs_info->extent_root);  in open_ctree()
2925 	fs_info->num_tolerated_disk_barrier_failures =  in open_ctree()
2926 		btrfs_calc_num_tolerated_disk_barrier_failures(fs_info);  in open_ctree()
2927 	if (fs_info->fs_devices->missing_devices >  in open_ctree()
2928 	     fs_info->num_tolerated_disk_barrier_failures &&  in open_ctree()
2935 	fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,  in open_ctree()
2937 	if (IS_ERR(fs_info->cleaner_kthread))  in open_ctree()
2940 	fs_info->transaction_kthread = kthread_run(transaction_kthread,  in open_ctree()
2943 	if (IS_ERR(fs_info->transaction_kthread))  in open_ctree()
2948 	    !fs_info->fs_devices->rotating) {  in open_ctree()
2951 		btrfs_set_opt(fs_info->mount_opt, SSD);  in open_ctree()
2958 	btrfs_apply_pending_changes(fs_info);  in open_ctree()
2966 				    fs_info->check_integrity_print_mask);  in open_ctree()
2972 	ret = btrfs_read_qgroup_config(fs_info);  in open_ctree()
2978 		ret = btrfs_replay_log(fs_info, fs_devices);  in open_ctree()
2990 		ret = btrfs_cleanup_fs_roots(fs_info);  in open_ctree()
2994 		mutex_lock(&fs_info->cleaner_mutex);  in open_ctree()
2996 		mutex_unlock(&fs_info->cleaner_mutex);  in open_ctree()
3009 	fs_info->fs_root = btrfs_read_fs_root_no_name(fs_info, &location);  in open_ctree()
3010 	if (IS_ERR(fs_info->fs_root)) {  in open_ctree()
3011 		err = PTR_ERR(fs_info->fs_root);  in open_ctree()
3018 	down_read(&fs_info->cleanup_work_sem);  in open_ctree()
3019 	if ((ret = btrfs_orphan_cleanup(fs_info->fs_root)) ||  in open_ctree()
3020 	    (ret = btrfs_orphan_cleanup(fs_info->tree_root))) {  in open_ctree()
3021 		up_read(&fs_info->cleanup_work_sem);  in open_ctree()
3025 	up_read(&fs_info->cleanup_work_sem);  in open_ctree()
3027 	ret = btrfs_resume_balance_async(fs_info);  in open_ctree()
3034 	ret = btrfs_resume_dev_replace_async(fs_info);  in open_ctree()
3041 	btrfs_qgroup_rescan_resume(fs_info);  in open_ctree()
3043 	if (!fs_info->uuid_root) {  in open_ctree()
3045 		ret = btrfs_create_uuid_tree(fs_info);  in open_ctree()
3053 		   fs_info->generation !=  in open_ctree()
3056 		ret = btrfs_check_uuid_tree(fs_info);  in open_ctree()
3064 		fs_info->update_uuid_tree_gen = 1;  in open_ctree()
3067 	fs_info->open = 1;  in open_ctree()
3072 	btrfs_free_qgroup_config(fs_info);  in open_ctree()
3074 	kthread_stop(fs_info->transaction_kthread);  in open_ctree()
3075 	btrfs_cleanup_transaction(fs_info->tree_root);  in open_ctree()
3076 	btrfs_free_fs_roots(fs_info);  in open_ctree()
3078 	kthread_stop(fs_info->cleaner_kthread);  in open_ctree()
3084 	filemap_write_and_wait(fs_info->btree_inode->i_mapping);  in open_ctree()
3087 	btrfs_sysfs_remove_one(fs_info);  in open_ctree()
3090 	btrfs_put_block_group_cache(fs_info);  in open_ctree()
3091 	btrfs_free_block_groups(fs_info);  in open_ctree()
3094 	free_root_pointers(fs_info, 1);  in open_ctree()
3095 	invalidate_inode_pages2(fs_info->btree_inode->i_mapping);  in open_ctree()
3098 	btrfs_stop_all_workers(fs_info);  in open_ctree()
3101 	btrfs_mapping_tree_free(&fs_info->mapping_tree);  in open_ctree()
3103 	iput(fs_info->btree_inode);  in open_ctree()
3105 	percpu_counter_destroy(&fs_info->bio_counter);  in open_ctree()
3107 	percpu_counter_destroy(&fs_info->delalloc_bytes);  in open_ctree()
3109 	percpu_counter_destroy(&fs_info->dirty_metadata_bytes);  in open_ctree()
3111 	bdi_destroy(&fs_info->bdi);  in open_ctree()
3113 	cleanup_srcu_struct(&fs_info->subvol_srcu);  in open_ctree()
3115 	btrfs_free_stripe_hash_table(fs_info);  in open_ctree()
3116 	btrfs_close_devices(fs_info->fs_devices);  in open_ctree()
3123 	free_root_pointers(fs_info, 0);  in open_ctree()
3129 	btrfs_set_opt(fs_info->mount_opt, CLEAR_CACHE);  in open_ctree()
3131 	ret = next_root_backup(fs_info, fs_info->super_copy,  in open_ctree()
3424 	struct btrfs_fs_info *fs_info)  in btrfs_calc_num_tolerated_disk_barrier_failures()  argument
3436 		(int)fs_info->fs_devices->num_devices;  in btrfs_calc_num_tolerated_disk_barrier_failures()
3443 		list_for_each_entry_rcu(tmp, &fs_info->space_info, list) {  in btrfs_calc_num_tolerated_disk_barrier_failures()
3514 	backup_super_roots(root->fs_info);  in write_all_supers()
3516 	sb = root->fs_info->super_for_commit;  in write_all_supers()
3519 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in write_all_supers()
3520 	head = &root->fs_info->fs_devices->devices;  in write_all_supers()
3521 	max_errors = btrfs_super_num_devices(root->fs_info->super_copy) - 1;  in write_all_supers()
3524 		ret = barrier_all_devices(root->fs_info);  in write_all_supers()
3527 				&root->fs_info->fs_devices->device_list_mutex);  in write_all_supers()
3528 			btrfs_error(root->fs_info, ret,  in write_all_supers()
3563 		btrfs_err(root->fs_info, "%d errors while writing supers",  in write_all_supers()
3565 		mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in write_all_supers()
3568 		btrfs_error(root->fs_info, -EIO,  in write_all_supers()
3584 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in write_all_supers()
3586 		btrfs_error(root->fs_info, -EIO,  in write_all_supers()
3600 void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,  in btrfs_drop_and_free_fs_root()  argument
3603 	spin_lock(&fs_info->fs_roots_radix_lock);  in btrfs_drop_and_free_fs_root()
3604 	radix_tree_delete(&fs_info->fs_roots_radix,  in btrfs_drop_and_free_fs_root()
3606 	spin_unlock(&fs_info->fs_roots_radix_lock);  in btrfs_drop_and_free_fs_root()
3609 		synchronize_srcu(&fs_info->subvol_srcu);  in btrfs_drop_and_free_fs_root()
3611 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))  in btrfs_drop_and_free_fs_root()
3644 int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info)  in btrfs_cleanup_fs_roots()  argument
3654 		index = srcu_read_lock(&fs_info->subvol_srcu);  in btrfs_cleanup_fs_roots()
3655 		ret = radix_tree_gang_lookup(&fs_info->fs_roots_radix,  in btrfs_cleanup_fs_roots()
3659 			srcu_read_unlock(&fs_info->subvol_srcu, index);  in btrfs_cleanup_fs_roots()
3673 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in btrfs_cleanup_fs_roots()
3699 	mutex_lock(&root->fs_info->cleaner_mutex);  in btrfs_commit_super()
3701 	mutex_unlock(&root->fs_info->cleaner_mutex);  in btrfs_commit_super()
3702 	wake_up_process(root->fs_info->cleaner_kthread);  in btrfs_commit_super()
3705 	down_write(&root->fs_info->cleanup_work_sem);  in btrfs_commit_super()
3706 	up_write(&root->fs_info->cleanup_work_sem);  in btrfs_commit_super()
3716 	struct btrfs_fs_info *fs_info = root->fs_info;  in close_ctree()  local
3719 	fs_info->closing = 1;  in close_ctree()
3723 	down(&fs_info->uuid_tree_rescan_sem);  in close_ctree()
3725 	up(&fs_info->uuid_tree_rescan_sem);  in close_ctree()
3728 	btrfs_pause_balance(fs_info);  in close_ctree()
3730 	btrfs_dev_replace_suspend_for_unmount(fs_info);  in close_ctree()
3732 	btrfs_scrub_cancel(fs_info);  in close_ctree()
3735 	wait_event(fs_info->transaction_wait,  in close_ctree()
3736 		   (atomic_read(&fs_info->defrag_running) == 0));  in close_ctree()
3739 	btrfs_cleanup_defrag_inodes(fs_info);  in close_ctree()
3741 	cancel_work_sync(&fs_info->async_reclaim_work);  in close_ctree()
3743 	if (!(fs_info->sb->s_flags & MS_RDONLY)) {  in close_ctree()
3746 			btrfs_err(fs_info, "commit super ret %d", ret);  in close_ctree()
3749 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))  in close_ctree()
3752 	kthread_stop(fs_info->transaction_kthread);  in close_ctree()
3753 	kthread_stop(fs_info->cleaner_kthread);  in close_ctree()
3755 	fs_info->closing = 2;  in close_ctree()
3758 	btrfs_free_qgroup_config(fs_info);  in close_ctree()
3760 	if (percpu_counter_sum(&fs_info->delalloc_bytes)) {  in close_ctree()
3761 		btrfs_info(fs_info, "at unmount delalloc count %lld",  in close_ctree()
3762 		       percpu_counter_sum(&fs_info->delalloc_bytes));  in close_ctree()
3765 	btrfs_sysfs_remove_one(fs_info);  in close_ctree()
3767 	btrfs_free_fs_roots(fs_info);  in close_ctree()
3769 	btrfs_put_block_group_cache(fs_info);  in close_ctree()
3771 	btrfs_free_block_groups(fs_info);  in close_ctree()
3777 	invalidate_inode_pages2(fs_info->btree_inode->i_mapping);  in close_ctree()
3778 	btrfs_stop_all_workers(fs_info);  in close_ctree()
3780 	fs_info->open = 0;  in close_ctree()
3781 	free_root_pointers(fs_info, 1);  in close_ctree()
3783 	iput(fs_info->btree_inode);  in close_ctree()
3787 		btrfsic_unmount(root, fs_info->fs_devices);  in close_ctree()
3790 	btrfs_close_devices(fs_info->fs_devices);  in close_ctree()
3791 	btrfs_mapping_tree_free(&fs_info->mapping_tree);  in close_ctree()
3793 	percpu_counter_destroy(&fs_info->dirty_metadata_bytes);  in close_ctree()
3794 	percpu_counter_destroy(&fs_info->delalloc_bytes);  in close_ctree()
3795 	percpu_counter_destroy(&fs_info->bio_counter);  in close_ctree()
3796 	bdi_destroy(&fs_info->bdi);  in close_ctree()
3797 	cleanup_srcu_struct(&fs_info->subvol_srcu);  in close_ctree()
3799 	btrfs_free_stripe_hash_table(fs_info);  in close_ctree()
3805 	while (!list_empty(&fs_info->pinned_chunks)) {  in close_ctree()
3808 		em = list_first_entry(&fs_info->pinned_chunks,  in close_ctree()
3855 	if (transid != root->fs_info->generation)  in btrfs_mark_buffer_dirty()
3858 			buf->start, transid, root->fs_info->generation);  in btrfs_mark_buffer_dirty()
3861 		__percpu_counter_add(&root->fs_info->dirty_metadata_bytes,  in btrfs_mark_buffer_dirty()
3863 				     root->fs_info->dirty_metadata_batch);  in btrfs_mark_buffer_dirty()
3887 	ret = percpu_counter_compare(&root->fs_info->dirty_metadata_bytes,  in __btrfs_btree_balance_dirty()
3891 				   root->fs_info->btree_inode->i_mapping);  in __btrfs_btree_balance_dirty()
3912 static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,  in btrfs_check_super_valid()  argument
3915 	struct btrfs_super_block *sb = fs_info->super_copy;  in btrfs_check_super_valid()
3963 	if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_UUID_SIZE) != 0) {  in btrfs_check_super_valid()
3965 				fs_info->fsid, sb->dev_item.fsid);  in btrfs_check_super_valid()
4025 	mutex_lock(&root->fs_info->cleaner_mutex);  in btrfs_error_commit_super()
4027 	mutex_unlock(&root->fs_info->cleaner_mutex);  in btrfs_error_commit_super()
4029 	down_write(&root->fs_info->cleanup_work_sem);  in btrfs_error_commit_super()
4030 	up_write(&root->fs_info->cleanup_work_sem);  in btrfs_error_commit_super()
4051 static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info)  in btrfs_destroy_all_ordered_extents()  argument
4058 	spin_lock(&fs_info->ordered_root_lock);  in btrfs_destroy_all_ordered_extents()
4059 	list_splice_init(&fs_info->ordered_roots, &splice);  in btrfs_destroy_all_ordered_extents()
4064 			       &fs_info->ordered_roots);  in btrfs_destroy_all_ordered_extents()
4066 		spin_unlock(&fs_info->ordered_root_lock);  in btrfs_destroy_all_ordered_extents()
4070 		spin_lock(&fs_info->ordered_root_lock);  in btrfs_destroy_all_ordered_extents()
4072 	spin_unlock(&fs_info->ordered_root_lock);  in btrfs_destroy_all_ordered_extents()
4088 		btrfs_info(root->fs_info, "delayed_refs has NO entry");  in btrfs_destroy_delayed_refs()
4170 static void btrfs_destroy_all_delalloc_inodes(struct btrfs_fs_info *fs_info)  in btrfs_destroy_all_delalloc_inodes()  argument
4177 	spin_lock(&fs_info->delalloc_root_lock);  in btrfs_destroy_all_delalloc_inodes()
4178 	list_splice_init(&fs_info->delalloc_roots, &splice);  in btrfs_destroy_all_delalloc_inodes()
4185 		spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_destroy_all_delalloc_inodes()
4190 		spin_lock(&fs_info->delalloc_root_lock);  in btrfs_destroy_all_delalloc_inodes()
4192 	spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_destroy_all_delalloc_inodes()
4212 			eb = btrfs_find_tree_block(root->fs_info, start);  in btrfs_destroy_marked_extents()
4251 		if (unpin == &root->fs_info->freed_extents[0])  in btrfs_destroy_pinned_extent()
4252 			unpin = &root->fs_info->freed_extents[1];  in btrfs_destroy_pinned_extent()
4254 			unpin = &root->fs_info->freed_extents[0];  in btrfs_destroy_pinned_extent()
4263 				       struct btrfs_fs_info *fs_info)  in btrfs_free_pending_ordered()  argument
4267 	spin_lock(&fs_info->trans_lock);  in btrfs_free_pending_ordered()
4273 		spin_unlock(&fs_info->trans_lock);  in btrfs_free_pending_ordered()
4276 		spin_lock(&fs_info->trans_lock);  in btrfs_free_pending_ordered()
4278 	spin_unlock(&fs_info->trans_lock);  in btrfs_free_pending_ordered()
4287 	wake_up(&root->fs_info->transaction_blocked_wait);  in btrfs_cleanup_one_transaction()
4290 	wake_up(&root->fs_info->transaction_wait);  in btrfs_cleanup_one_transaction()
4292 	btrfs_free_pending_ordered(cur_trans, root->fs_info);  in btrfs_cleanup_one_transaction()
4299 				    root->fs_info->pinned_extents);  in btrfs_cleanup_one_transaction()
4314 	mutex_lock(&root->fs_info->transaction_kthread_mutex);  in btrfs_cleanup_transaction()
4316 	spin_lock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4317 	while (!list_empty(&root->fs_info->trans_list)) {  in btrfs_cleanup_transaction()
4318 		t = list_first_entry(&root->fs_info->trans_list,  in btrfs_cleanup_transaction()
4322 			spin_unlock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4325 			spin_lock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4328 		if (t == root->fs_info->running_transaction) {  in btrfs_cleanup_transaction()
4330 			spin_unlock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4338 			spin_unlock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4342 		spin_lock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4343 		if (t == root->fs_info->running_transaction)  in btrfs_cleanup_transaction()
4344 			root->fs_info->running_transaction = NULL;  in btrfs_cleanup_transaction()
4346 		spin_unlock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4350 		spin_lock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4352 	spin_unlock(&root->fs_info->trans_lock);  in btrfs_cleanup_transaction()
4353 	btrfs_destroy_all_ordered_extents(root->fs_info);  in btrfs_cleanup_transaction()
4356 	btrfs_destroy_pinned_extent(root, root->fs_info->pinned_extents);  in btrfs_cleanup_transaction()
4357 	btrfs_destroy_all_delalloc_inodes(root->fs_info);  in btrfs_cleanup_transaction()
4358 	mutex_unlock(&root->fs_info->transaction_kthread_mutex);  in btrfs_cleanup_transaction()