Btrfs: use more straightforward extent_buffer_uptodate check

If parent_transid "0" is passed to btrfs_buffer_uptodate(),
btrfs_buffer_uptodate() is equivalent to extent_buffer_uptodate(), but
extent_buffer_uptodate() is preferred since we don't have to look into
verify_parent_transid().

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 820226d42d5d546128b8b40808e684ed3665125b..46afc9743ad0e9bc9a7e34012aee73e546b06fc9 100644 (file)
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2445,7 +2445,7 @@ read_block_for_search(struct btrfs_root *root, struct btrfs_path *p,
                 * and give up so that our caller doesn't loop forever
                 * on our EAGAINs.
                 */
-               if (!btrfs_buffer_uptodate(tmp, 0, 0))
+               if (!extent_buffer_uptodate(tmp))
                        ret = -EIO;
                free_extent_buffer(tmp);
        } else {