diff mbox series

[28/40] btrfs: relocation: Open-code read_fs_root() for handle_indirect_tree_backref()

Message ID 20200323102416.112862-29-wqu@suse.com (mailing list archive)
State New, archived
Headers show
Series btrfs: qgroup: Use backref cache based backref walk for commit roots | expand

Commit Message

Qu Wenruo March 23, 2020, 10:24 a.m. UTC
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

Signed-off-by: Qu Wenruo <wqu@suse.com>
 fs/btrfs/relocation.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series


diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 29bf34b1114c..df2897f6f206 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -481,12 +481,16 @@  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))