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Commit 6126e3ca authored by Filipe David Borba Manana's avatar Filipe David Borba Manana Committed by Chris Mason
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Btrfs: fix ordered extent check in btrfs_punch_hole 



If the ordered extent's last byte was 1 less than our region's
start byte, we would unnecessarily wait for the completion of
that ordered extent, because it doesn't intersect our target
range.

Signed-off-by: default avatarFilipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 376cc685

fs/btrfs/file.c

+1 −1
Original line number Diff line number Diff line
@@ -2164,7 +2164,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) 
		 * we need to try again.

		 */

		if ((!ordered ||

		    (ordered->file_offset + ordered->len < lockstart ||

		    (ordered->file_offset + ordered->len <= lockstart ||

		     ordered->file_offset > lockend)) &&

		     !test_range_bit(&BTRFS_I(inode)->io_tree, lockstart,

				     lockend, EXTENT_UPTODATE, 0,