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virtio_blk: ioctl return value fix

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Block driver ioctl methods must return ENOTTY and not -ENOIOCTLCMD if
they expect the block layer to handle generic ioctls.

This triggered a BLKROSET failure in xfsqa #200.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Christoph Hellwig 2009-06-20 21:29:41 +02:00 committed by Rusty Russell
parent 4eff3cae9c
commit d9ecdea7ed
1 changed files with 1 additions and 1 deletions
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2
drivers/block/virtio_blk.c
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@ -213,7 +213,7 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
* Only allow the generic SCSI ioctls if the host can support it.
*/
if (!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_SCSI))
return -ENOIOCTLCMD;
return -ENOTTY;
return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
}