230 static int add_excluded_extent(struct btrfs_root *root,  in add_excluded_extent()
241 static void free_excluded_extents(struct btrfs_root *root,  in free_excluded_extents()
255 static int exclude_super_stripes(struct btrfs_root *root,  in exclude_super_stripes()
715 int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len)  in btrfs_lookup_data_extent()
744 			     struct btrfs_root *root, u64 bytenr,  in btrfs_lookup_extent_info()
981 				  struct btrfs_root *root,  in convert_extent_item_v0()
1097 					   struct btrfs_root *root,  in lookup_extent_data_ref()
1184 					   struct btrfs_root *root,  in insert_extent_data_ref()
1263 					   struct btrfs_root *root,  in remove_extent_data_ref()
1320 static noinline u32 extent_data_ref_count(struct btrfs_root *root,  in extent_data_ref_count()
1363 					  struct btrfs_root *root,  in lookup_tree_block_ref()
1396 					  struct btrfs_root *root,  in insert_tree_block_ref()
1471 				 struct btrfs_root *root,  in lookup_inline_extent_backref()
1663 void setup_inline_extent_backref(struct btrfs_root *root,  in setup_inline_extent_backref()
1724 				 struct btrfs_root *root,  in lookup_extent_backref()
1755 void update_inline_extent_backref(struct btrfs_root *root,  in update_inline_extent_backref()
1820 				 struct btrfs_root *root,  in insert_inline_extent_backref()
1847 				 struct btrfs_root *root,  in insert_extent_backref()
1866 				 struct btrfs_root *root,  in remove_extent_backref()
1893 int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,  in btrfs_discard_extent()
1943 			 struct btrfs_root *root,  in btrfs_inc_extent_ref()
1969 				  struct btrfs_root *root,  in __btrfs_inc_extent_ref()
2059 				struct btrfs_root *root,  in run_delayed_data_ref()
2126 				 struct btrfs_root *root,  in run_delayed_extent_op()
2219 				struct btrfs_root *root,  in run_delayed_tree_ref()
2275 			       struct btrfs_root *root,  in run_one_delayed_ref()
2355 					     struct btrfs_root *root,  in __btrfs_run_delayed_refs()
2582 static u64 find_middle(struct rb_root *root)  in find_middle()
2619 static inline u64 heads_to_leaves(struct btrfs_root *root, u64 heads)  in heads_to_leaves()
2639 u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes)  in btrfs_csum_bytes_to_leaves()
2655 				       struct btrfs_root *root)  in btrfs_check_space_for_delayed_refs()
2691 				       struct btrfs_root *root)  in btrfs_should_throttle_delayed_refs()
2711 	struct btrfs_root *root;  member
2752 int btrfs_async_run_delayed_refs(struct btrfs_root *root,  in btrfs_async_run_delayed_refs()
2796 			   struct btrfs_root *root, unsigned long count)  in btrfs_run_delayed_refs()
2875 				struct btrfs_root *root,  in btrfs_set_disk_extent_flags()
2900 				      struct btrfs_root *root,  in check_delayed_ref()
2967 					struct btrfs_root *root,  in check_committed_ref()
3038 			  struct btrfs_root *root,  in btrfs_cross_ref_exist()
3074 			   struct btrfs_root *root,  in __btrfs_mod_ref()
3148 int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_inc_ref()
3154 int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_dec_ref()
3161 				 struct btrfs_root *root,  in write_one_cache_group()
3188 next_block_group(struct btrfs_root *root,  in next_block_group()
3221 	struct btrfs_root *root = block_group->fs_info->tree_root;  in cache_save_setup()  local
3357 			    struct btrfs_root *root)  in btrfs_setup_space_cache()
3395 				   struct btrfs_root *root)  in btrfs_start_dirty_block_groups()
3555 				   struct btrfs_root *root)  in btrfs_write_dirty_block_groups()
3644 int btrfs_extent_readonly(struct btrfs_root *root, u64 bytenr)  in btrfs_extent_readonly()
3797 static u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags)  in btrfs_reduce_alloc_profile()
3846 static u64 get_alloc_profile(struct btrfs_root *root, u64 orig_flags)  in get_alloc_profile()
3866 u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data)  in btrfs_get_alloc_profile()
3889 	struct btrfs_root *root = BTRFS_I(inode)->root;  in btrfs_check_data_free_space()  local
4027 	struct btrfs_root *root = BTRFS_I(inode)->root;  in btrfs_free_reserved_data_space()  local
4060 static int should_alloc_chunk(struct btrfs_root *root,  in should_alloc_chunk()
4097 static u64 get_system_chunk_thresh(struct btrfs_root *root, u64 type)  in get_system_chunk_thresh()
4116 			       struct btrfs_root *root, u64 type)  in check_system_chunk()
4247 static int can_overcommit(struct btrfs_root *root,  in can_overcommit()
4304 static void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root,  in btrfs_writeback_inodes_sb_nr()
4326 static inline int calc_reclaim_items_nr(struct btrfs_root *root, u64 to_reclaim)  in calc_reclaim_items_nr()
4343 static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig,  in shrink_delalloc()
4431 static int may_commit_transaction(struct btrfs_root *root,  in may_commit_transaction()
4482 static int flush_space(struct btrfs_root *root,  in flush_space()
4536 btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,  in btrfs_calc_reclaim_metadata_size()
4659 static int reserve_metadata_bytes(struct btrfs_root *root,  in reserve_metadata_bytes()
4817 					const struct btrfs_root *root)  in get_block_rsv()
4955 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root,  in btrfs_alloc_block_rsv()
4971 void btrfs_free_block_rsv(struct btrfs_root *root,  in btrfs_free_block_rsv()
4985 int btrfs_block_rsv_add(struct btrfs_root *root,  in btrfs_block_rsv_add()
5003 int btrfs_block_rsv_check(struct btrfs_root *root,  in btrfs_block_rsv_check()
5021 int btrfs_block_rsv_refill(struct btrfs_root *root,  in btrfs_block_rsv_refill()
5058 void btrfs_block_rsv_release(struct btrfs_root *root,  in btrfs_block_rsv_release()
5183 				  struct btrfs_root *root)  in btrfs_trans_release_metadata()
5201 	struct btrfs_root *root = BTRFS_I(inode)->root;  in btrfs_orphan_reserve_metadata()  local
5218 	struct btrfs_root *root = BTRFS_I(inode)->root;  in btrfs_orphan_release_metadata()  local
5239 int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,  in btrfs_subvolume_reserve_metadata()
5278 void btrfs_subvolume_release_metadata(struct btrfs_root *root,  in btrfs_subvolume_release_metadata()
5348 	struct btrfs_root *root = BTRFS_I(inode)->root;  in calc_csum_metadata_size()  local
5375 	struct btrfs_root *root = BTRFS_I(inode)->root;  in btrfs_delalloc_reserve_metadata()  local
5540 	struct btrfs_root *root = BTRFS_I(inode)->root;  in btrfs_delalloc_release_metadata()  local
5616 			      struct btrfs_root *root, u64 bytenr,  in update_block_group()
5720 static u64 first_logical_byte(struct btrfs_root *root, u64 search_start)  in first_logical_byte()
5742 static int pin_down_extent(struct btrfs_root *root,  in pin_down_extent()
5767 int btrfs_pin_extent(struct btrfs_root *root,  in btrfs_pin_extent()
5784 int btrfs_pin_extent_for_log_replay(struct btrfs_root *root,  in btrfs_pin_extent_for_log_replay()
5810 static int __exclude_logged_extent(struct btrfs_root *root, u64 start, u64 num_bytes)  in __exclude_logged_extent()
5946 				struct btrfs_root *root)  in btrfs_prepare_extent_commit()
5977 static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end,  in unpin_extent_range()
6040 			       struct btrfs_root *root)  in btrfs_finish_extent_commit()
6100 				struct btrfs_root *root,  in __btrfs_free_extent()
6389 				      struct btrfs_root *root, u64 bytenr)  in check_ref_cleanup()
6455 			   struct btrfs_root *root,  in btrfs_free_tree_block()
6513 int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_free_extent()
6725 	struct btrfs_root *root = orig_root->fs_info->extent_root;  in find_free_extent()  local
7172 int btrfs_reserve_extent(struct btrfs_root *root,  in btrfs_reserve_extent()
7209 static int __btrfs_free_reserved_extent(struct btrfs_root *root,  in __btrfs_free_reserved_extent()
7239 int btrfs_free_reserved_extent(struct btrfs_root *root,  in btrfs_free_reserved_extent()
7245 int btrfs_free_and_pin_reserved_extent(struct btrfs_root *root,  in btrfs_free_and_pin_reserved_extent()
7252 				      struct btrfs_root *root,  in alloc_reserved_file_extent()
7330 				     struct btrfs_root *root,  in alloc_reserved_tree_block()
7421 				     struct btrfs_root *root,  in btrfs_alloc_reserved_file_extent()
7442 				   struct btrfs_root *root,  in btrfs_alloc_logged_file_extent()
7473 btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_init_new_buffer()
7514 	      struct btrfs_root *root, u32 blocksize)  in use_block_rsv()
7581 					struct btrfs_root *root,  in btrfs_alloc_tree_block()
7684 				     struct btrfs_root *root,  in reada_walk_down()
7765 			      struct btrfs_root *root,  in account_leaf_items()
7817 static int adjust_slots_upwards(struct btrfs_root *root,  in adjust_slots_upwards()
7869 				  struct btrfs_root *root,  in account_shared_subtree()
7985 				   struct btrfs_root *root,  in walk_down_proc()
8066 				 struct btrfs_root *root,  in do_walk_down()
8222 				 struct btrfs_root *root,  in walk_up_proc()
8323 				   struct btrfs_root *root,  in walk_down_tree()
8355 				 struct btrfs_root *root,  in walk_up_tree()
8400 int btrfs_drop_snapshot(struct btrfs_root *root,  in btrfs_drop_snapshot()
8647 			struct btrfs_root *root,  in btrfs_drop_subtree()
8711 static u64 update_block_group_flags(struct btrfs_root *root, u64 flags)  in update_block_group_flags()
8805 int btrfs_set_block_group_ro(struct btrfs_root *root,  in btrfs_set_block_group_ro()
8880 			    struct btrfs_root *root, u64 type)  in btrfs_force_chunk_alloc()
8928 void btrfs_set_block_group_rw(struct btrfs_root *root,  in btrfs_set_block_group_rw()
8953 int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr)  in btrfs_can_relocate()
9081 static int find_first_block_group(struct btrfs_root *root,  in find_first_block_group()
9283 btrfs_create_block_group_cache(struct btrfs_root *root, u64 start, u64 size)  in btrfs_create_block_group_cache()
9322 int btrfs_read_block_groups(struct btrfs_root *root)  in btrfs_read_block_groups()
9501 				       struct btrfs_root *root)  in btrfs_create_pending_block_groups()
9532 			   struct btrfs_root *root, u64 bytes_used,  in btrfs_make_block_group()
9621 			     struct btrfs_root *root, u64 group_start,  in btrfs_remove_block_group()
9918 	struct btrfs_root *root = fs_info->extent_root;  in btrfs_delete_unused_bgs()  local
10078 int btrfs_error_unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)  in btrfs_error_unpin_extent_range()
10083 int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range)  in btrfs_trim_fs()
10153 void btrfs_end_write_no_snapshoting(struct btrfs_root *root)  in btrfs_end_write_no_snapshoting()
10165 int btrfs_start_write_no_snapshoting(struct btrfs_root *root)  in btrfs_start_write_no_snapshoting()