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authorSage Weil <sage@newdream.net>2010-10-29 23:37:33 +0400
committerChris Mason <chris.mason@oracle.com>2010-10-29 23:37:33 +0400
commit050006a753bab8ba05f2113cc57ba49398cd5521 (patch)
tree43b8bdc0ce9f76d2726096dbfbc72a04c141afa6 /fs/btrfs
parent9a019196ecaa57780141ef5d1f0bb31050d6ed5b (diff)
downloadlinux-050006a753bab8ba05f2113cc57ba49398cd5521.tar.xz
Btrfs: fix clone ioctl where range is adjacent to extent
We had an edge case issue where the requested range was just following an existing extent. Instead of skipping to the next extent, we used the previous one which lead to having zero sized extents. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ioctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index d94bef5179fc..3fe15e435b5c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1597,7 +1597,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
}
btrfs_release_path(root, path);
- if (key.offset + datal < off ||
+ if (key.offset + datal <= off ||
key.offset >= off+len)
goto next;