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block: provide compat ioctl for BLKZEROOUT 

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>
Cc: stable@vger.kernel.org	# 3.7+
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Mikulas Patocka 2014-07-02 12:46:23 -04:00 committed by Jens Axboe
parent 0b462c89e3
commit 3b3a1814d1
1 changed files with 1 additions and 0 deletions
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block/compat_ioctl.c
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@ -690,6 +690,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
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