Commit 8d666913 authored by Akira Fujita's avatar Akira Fujita Committed by Theodore Ts'o

ext4: Return exchanged blocks count to user space in failure

Return exchanged blocks count (moved_len) to user space,
if ext4_move_extents() failed on the way.
Signed-off-by: default avatarAkira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent daea696d
......@@ -243,10 +243,9 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
me.donor_start, me.len, &me.moved_len);
fput(donor_filp);
if (!err)
if (copy_to_user((struct move_extent *)arg,
&me, sizeof(me)))
if (copy_to_user((struct move_extent *)arg, &me, sizeof(me)))
return -EFAULT;
return err;
}
......
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