463 	__le64 root;  member
653 	__le64 root;  member
670 	__le64 root;  member
1254 	struct rb_root root;  member
1303 	struct btrfs_root *root;  member
2194 #define btrfs_test_opt(root, opt)	((root)->fs_info->mount_opt & \  argument
2197 #define btrfs_set_and_info(root, opt, fmt, args...)			\  argument
2199 	if (!btrfs_test_opt(root, opt))					\
2200 		btrfs_info(root->fs_info, fmt, ##args);			\
2201 	btrfs_set_opt(root->fs_info->mount_opt, opt);			\
2204 #define btrfs_clear_and_info(root, opt, fmt, args...)			\  argument
2206 	if (btrfs_test_opt(root, opt))					\
2207 		btrfs_info(root->fs_info, fmt, ##args);			\
2208 	btrfs_clear_opt(root->fs_info->mount_opt, opt);			\
2213 btrfs_should_fragment_free_space(struct btrfs_root *root,  in btrfs_should_fragment_free_space()  argument
2216 	return (btrfs_test_opt(root, FRAGMENT_METADATA) &&  in btrfs_should_fragment_free_space()
2218 	       (btrfs_test_opt(root, FRAGMENT_DATA) &&  in btrfs_should_fragment_free_space()
2595 		   root, 64);
2626 BTRFS_SETGET_FUNCS(ref_root_v0, struct btrfs_extent_ref_v0, root, 64);
2952 static inline bool btrfs_root_readonly(struct btrfs_root *root)  in btrfs_root_readonly()  argument
2954 	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_RDONLY)) != 0;  in btrfs_root_readonly()
2957 static inline bool btrfs_root_dead(struct btrfs_root *root)  in btrfs_root_dead()  argument
2959 	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_DEAD)) != 0;  in btrfs_root_dead()
3097 BTRFS_SETGET_STACK_FUNCS(super_root, struct btrfs_super_block, root, 64);
3375 u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes);
3377 static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,  in btrfs_calc_trans_metadata_size()  argument
3380 	return (root->nodesize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *  in btrfs_calc_trans_metadata_size()
3388 static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_root *root,  in btrfs_calc_trunc_metadata_size()  argument
3391 	return root->nodesize * BTRFS_MAX_LEVEL * num_items;  in btrfs_calc_trunc_metadata_size()
3395 				       struct btrfs_root *root);
3397 				       struct btrfs_root *root);
3400 			   struct btrfs_root *root, unsigned long count);
3401 int btrfs_async_run_delayed_refs(struct btrfs_root *root,
3403 int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len);
3405 			     struct btrfs_root *root, u64 bytenr,
3407 int btrfs_pin_extent(struct btrfs_root *root,
3409 int btrfs_pin_extent_for_log_replay(struct btrfs_root *root,
3411 int btrfs_exclude_logged_extents(struct btrfs_root *root,
3414 			  struct btrfs_root *root,
3423 					struct btrfs_root *root, u64 parent,
3428 			   struct btrfs_root *root,
3432 				     struct btrfs_root *root,
3437 				   struct btrfs_root *root,
3440 int btrfs_reserve_extent(struct btrfs_root *root, u64 num_bytes,
3443 int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3445 int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3448 				struct btrfs_root *root,
3452 		      struct btrfs_root *root,
3456 int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len,
3458 int btrfs_free_and_pin_reserved_extent(struct btrfs_root *root,
3461 				 struct btrfs_root *root);
3463 			       struct btrfs_root *root);
3465 			 struct btrfs_root *root,
3470 				   struct btrfs_root *root);
3472 				    struct btrfs_root *root);
3474 			    struct btrfs_root *root);
3475 int btrfs_extent_readonly(struct btrfs_root *root, u64 bytenr);
3477 int btrfs_read_block_groups(struct btrfs_root *root);
3478 int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr);
3480 			   struct btrfs_root *root, u64 bytes_used,
3487 			     struct btrfs_root *root, u64 group_start,
3493 				       struct btrfs_root *root);
3494 u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data);
3514 				struct btrfs_root *root);
3519 int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
3523 void btrfs_subvolume_release_metadata(struct btrfs_root *root,
3531 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root,
3533 void btrfs_free_block_rsv(struct btrfs_root *root,
3536 int btrfs_block_rsv_add(struct btrfs_root *root,
3539 int btrfs_block_rsv_check(struct btrfs_root *root,
3541 int btrfs_block_rsv_refill(struct btrfs_root *root,
3550 void btrfs_block_rsv_release(struct btrfs_root *root,
3553 int btrfs_inc_block_group_ro(struct btrfs_root *root,
3555 void btrfs_dec_block_group_ro(struct btrfs_root *root,
3559 int btrfs_error_unpin_extent_range(struct btrfs_root *root,
3561 int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
3564 			    struct btrfs_root *root, u64 type);
3565 int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range);
3571 int btrfs_start_write_no_snapshoting(struct btrfs_root *root);
3572 void btrfs_end_write_no_snapshoting(struct btrfs_root *root);
3574 			struct btrfs_root *root,
3580 int btrfs_previous_item(struct btrfs_root *root,
3583 int btrfs_previous_extent_item(struct btrfs_root *root,
3588 struct extent_buffer *btrfs_root_node(struct btrfs_root *root);
3589 struct extent_buffer *btrfs_lock_root_node(struct btrfs_root *root);
3590 int btrfs_find_next_key(struct btrfs_root *root, struct btrfs_path *path,
3593 int btrfs_search_forward(struct btrfs_root *root, struct btrfs_key *min_key,
3613 		    struct btrfs_root *root, struct extent_buffer *buf,
3617 		      struct btrfs_root *root,
3620 int btrfs_block_can_be_shared(struct btrfs_root *root,
3622 void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
3624 void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
3627 		     struct btrfs_root *root,
3632 			 struct btrfs_root *root,
3638 		      *root, struct btrfs_key *key, struct btrfs_path *p, int
3640 int btrfs_search_old_slot(struct btrfs_root *root, struct btrfs_key *key,
3642 int btrfs_search_slot_for_read(struct btrfs_root *root,
3646 		       struct btrfs_root *root, struct extent_buffer *parent,
3657 int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3660 				 struct btrfs_root *root,  in btrfs_del_item()  argument
3663 	return btrfs_del_items(trans, root, path, path->slots[0], 1);  in btrfs_del_item()
3666 void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
3670 		      *root, struct btrfs_key *key, void *data, u32 data_size);
3672 			     struct btrfs_root *root,
3677 					  struct btrfs_root *root,  in btrfs_insert_empty_item()  argument
3682 	return btrfs_insert_empty_items(trans, root, path, key, &data_size, 1);  in btrfs_insert_empty_item()
3685 int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
3686 int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
3687 int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path,
3689 static inline int btrfs_next_old_item(struct btrfs_root *root,  in btrfs_next_old_item()  argument
3694 		return btrfs_next_old_leaf(root, p, time_seq);  in btrfs_next_old_item()
3697 static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p)  in btrfs_next_item()  argument
3699 	return btrfs_next_old_item(root, p, 0);  in btrfs_next_item()
3701 int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf);
3702 int __must_check btrfs_drop_snapshot(struct btrfs_root *root,
3706 			struct btrfs_root *root,
3723 static inline int btrfs_need_cleaner_sleep(struct btrfs_root *root)  in btrfs_need_cleaner_sleep()  argument
3725 	return (root->fs_info->sb->s_flags & MS_RDONLY ||  in btrfs_need_cleaner_sleep()
3726 		btrfs_fs_closing(root->fs_info));  in btrfs_need_cleaner_sleep()
3751 int btrfs_old_root_level(struct btrfs_root *root, u64 time_seq);
3765 int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3768 		      *root, struct btrfs_key *key, struct btrfs_root_item
3771 				   struct btrfs_root *root,
3774 int btrfs_find_root(struct btrfs_root *root, struct btrfs_key *search_key,
3782 			     struct btrfs_root *root);
3796 int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
3799 			  struct btrfs_root *root, const char *name,
3803 					     struct btrfs_root *root,
3809 			    struct btrfs_root *root,
3814 btrfs_search_dir_index_item(struct btrfs_root *root,
3818 			      struct btrfs_root *root,
3822 			    struct btrfs_root *root,
3827 					  struct btrfs_root *root,
3831 int verify_dir_item(struct btrfs_root *root,
3834 struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root,
3841 			     struct btrfs_root *root, u64 offset);
3843 			  struct btrfs_root *root, u64 offset);
3844 int btrfs_find_orphan_item(struct btrfs_root *root, u64 offset);
3848 			   struct btrfs_root *root,
3852 			   struct btrfs_root *root,
3856 			     struct btrfs_root *root,
3859 		       *root, struct btrfs_path *path,
3864 			  struct btrfs_root *root,
3878 		    struct btrfs_root *root, u64 bytenr, u64 len);
3879 int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
3881 int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode,
3884 			     struct btrfs_root *root,
3890 			     struct btrfs_root *root,
3894 			   struct btrfs_root *root,
3896 int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
3898 int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
3945 		       struct btrfs_root *root,
3952 			struct btrfs_root *root,
3958 			       struct btrfs_root *root,
3962 int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput);
3985 			 struct btrfs_root *root, int *was_new);
3990 			      struct btrfs_root *root,
3993 				struct btrfs_root *root, struct inode *inode);
3995 int btrfs_orphan_cleanup(struct btrfs_root *root);
3997 			      struct btrfs_root *root);
3999 void btrfs_invalidate_inodes(struct btrfs_root *root);
4001 void btrfs_run_delayed_iputs(struct btrfs_root *root);
4041 			 struct btrfs_root *root, struct inode *inode,
4048 		       struct btrfs_root *root, struct inode *inode, u64 start,
4053 int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode,
4061 			struct btrfs_root *root);
4073 int btrfs_parse_options(struct btrfs_root *root, char *options);
4223 			       struct btrfs_root *root, const char *function,
4264 #define btrfs_abort_transaction(trans, root, errno)		\  argument
4268 			&((root)->fs_info->fs_state))) {	\
4273 	__btrfs_abort_transaction((trans), (root), __func__,	\
4315 int btrfs_relocate_block_group(struct btrfs_root *root, u64 group_start);
4317 			  struct btrfs_root *root);
4319 			    struct btrfs_root *root);
4320 int btrfs_recover_relocation(struct btrfs_root *root);
4323 			  struct btrfs_root *root, struct extent_buffer *buf,
4334 void btrfs_scrub_pause(struct btrfs_root *root);
4335 void btrfs_scrub_continue(struct btrfs_root *root);
4339 int btrfs_scrub_progress(struct btrfs_root *root, u64 devid,
4354 	struct btrfs_root	*root;		/* tree to prefetch */  member
4361 struct reada_control *btrfs_reada_add(struct btrfs_root *root,
4365 int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb,
4387 static inline int btrfs_test_is_dummy_root(struct btrfs_root *root)  in btrfs_test_is_dummy_root()  argument
4390 	if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state)))  in btrfs_test_is_dummy_root()