Merge branch 'bkl-drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-block.git] / block / compat_ioctl.c

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 9bd086c1a4d591b59eea0e684debac6e6b8e52d9..4eb8e9ea4af561cd9d141a44709cb94138a25594 100644 (file)
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -747,6 +747,8 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
                return compat_put_uint(arg, bdev_io_opt(bdev));
        case BLKALIGNOFF:
                return compat_put_int(arg, bdev_alignment_offset(bdev));
+       case BLKDISCARDZEROES:
+               return compat_put_uint(arg, bdev_discard_zeroes_data(bdev));
        case BLKFLSBUF:
        case BLKROSET:
        case BLKDISCARD: