Commit 8d666913 authored Sep 05, 2009 by Akira Fujita Committed by Theodore Ts'o Sep 05, 2009

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: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

parent daea696d

fs/ext4/ioctl.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -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;
		}