* [PATCH] Btrfs: fix ordered extent check in btrfs_punch_hole
@ 2013-11-19 16:19 Filipe David Borba Manana
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From: Filipe David Borba Manana @ 2013-11-19 16:19 UTC (permalink / raw)
To: linux-btrfs; +Cc: Filipe David Borba Manana
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: Filipe David Borba Manana <fdmanana@gmail.com>
---
fs/btrfs/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c77da44..a679a36 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2129,7 +2129,7 @@ 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,
--
1.7.9.5
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2013-11-19 16:19 [PATCH] Btrfs: fix ordered extent check in btrfs_punch_hole Filipe David Borba Manana
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