diff options
| author | Akira Fujita <a-fujita@rs.jp.nec.com> | 2009-09-05 22:46:29 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-14 08:06:24 -0800 |
| commit | de48efe24d0e6a2291dc4fe23271b5e5b16b01a7 (patch) | |
| tree | 11ffae77fe227ba6c5b7c0f2d8e3e6dcb2c16a9e /fs | |
| parent | 4062fc4957707493ff8d53d21c058838a8425f2a (diff) | |
ext4: Return exchanged blocks count to user space in failure
(cherry picked from commit 8d6669133d8cdbb7cbe0e1f0f3744e7802a84afe)
Return exchanged blocks count (moved_len) to user space,
if ext4_move_extents() failed on the way.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ioctl.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 7050a9cd04a..c1cdf613e72 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -243,10 +243,9 @@ setversion_out: me.donor_start, me.len, &me.moved_len); fput(donor_filp); - if (!err) - if (copy_to_user((struct move_extent *)arg, - &me, sizeof(me))) - return -EFAULT; + if (copy_to_user((struct move_extent *)arg, &me, sizeof(me))) + return -EFAULT; + return err; } |