netns xfrm: fix "ip xfrm state|policy count" misreport
[safe/jmp/linux-2.6] / block / compat_ioctl.c
index 9bd086c..4eb8e9e 100644 (file)
@@ -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: