Commit d36e7f0e authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: reloc: open code read_fs_root() for handle_indirect_tree_backref() 



The backref code is going to be moved to backref.c, and read_fs_root()
is just a simple wrapper, open-code it to prepare to the incoming code
move.

Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 55465730

fs/btrfs/relocation.c

+5 −1
Original line number Diff line number Diff line
@@ -473,12 +473,16 @@ static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache, 
	struct btrfs_backref_edge *edge;

	struct extent_buffer *eb;

	struct btrfs_root *root;

	struct btrfs_key root_key;

	struct rb_node *rb_node;

	int level;

	bool need_check = true;

	int ret;



	root = read_fs_root(fs_info, ref_key->offset);

	root_key.objectid = ref_key->offset;

	root_key.type = BTRFS_ROOT_ITEM_KEY;

	root_key.offset = (u64)-1;

	root = btrfs_get_fs_root(fs_info, &root_key, false);

	if (IS_ERR(root))

		return PTR_ERR(root);

	if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))

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