block: provide compat ioctl for BLKZEROOUT
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>
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@ -689,6 +689,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
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case BLKROSET:
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case BLKDISCARD:
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case BLKSECDISCARD:
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case BLKZEROOUT:
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/*
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* the ones below are implemented in blkdev_locked_ioctl,
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* but we call blkdev_ioctl, which gets the lock for us
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