[PATCH 3.15 08/37] block: provide compat ioctl for BLKZEROOUT

Greg Kroah-Hartman
2014-07-30T01:48:44Z

From: Mikulas Patocka <mpatocka@redhat.com>

commit 3b3a1814d1703027f9867d0f5cbbfaf6c7482474 upstream.

This patch provides the compat BLKZEROOUT ioctl. The argument is a pointer
to two uint64_t values, so there is no need to translate it.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
block/compat_ioctl.c | 1 +
1 file changed, 1 insertion(+)

--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -690,6 +690,7 @@ long compat_blkdev_ioctl(struct file *fi
case BLKROSET:
case BLKDISCARD:
case BLKSECDISCARD:
+ case BLKZEROOUT:
/*
* the ones below are implemented in blkdev_locked_ioctl,
* but we call blkdev_ioctl, which gets the lock for us