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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>
This commit is contained in:
Liu Bo 2018-05-18 11:00:20 +08:00 committed by David Sterba
parent ca19b4a699
commit e6a1d6fd27
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/ctree.c
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@ -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 {