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authorFilipe David Borba Manana <fdmanana@gmail.com>2013-11-06 15:12:40 +0000
committerChris Mason <chris.mason@fusionio.com>2013-11-20 20:44:45 -0500
commitb52abf1e3b65b4fbd42b39412e040b561faec6a6 (patch)
tree3cf4063b81a42bec54879a8c893495682ac6c097 /fs/btrfs
parentb1a06a4b574996692b72b742bf6e6aa0c711a948 (diff)
downloadop-kernel-dev-b52abf1e3b65b4fbd42b39412e040b561faec6a6.zip
op-kernel-dev-b52abf1e3b65b4fbd42b39412e040b561faec6a6.tar.gz
Btrfs: don't wait for ordered data outside desired range
In btrfs_wait_ordered_range(), if we found an extent to the left of the start of our desired wait range and the last byte of that extent is 1 less than the desired range's start, we would would wait for the IO completion of that extent unnecessarily. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ordered-data.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 25a8f38..c37124b 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -803,7 +803,7 @@ int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
btrfs_put_ordered_extent(ordered);
break;
}
- if (ordered->file_offset + ordered->len < start) {
+ if (ordered->file_offset + ordered->len <= start) {
btrfs_put_ordered_extent(ordered);
break;
}
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