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Commit 3719fa86 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

skd: implement trivial scsi ioctls directly 



This way there is no need to drag in a dependency on the
BLOCK_PC code, which is going to become optional.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 1a7347c7

drivers/block/skd_main.c

+11 −4
Original line number Diff line number Diff line
@@ -1204,10 +1204,11 @@ static void skd_complete_special(struct skd_device *skdev, 
static int skd_bdev_ioctl(struct block_device *bdev, fmode_t mode,

			  uint cmd_in, ulong arg)

{

	int rc = 0;

	static const int sg_version_num = 30527;

	int rc = 0, timeout;

	struct gendisk *disk = bdev->bd_disk;

	struct skd_device *skdev = disk->private_data;

	void __user *p = (void *)arg;

	int __user *p = (int __user *)arg;



	pr_debug("%s:%s:%d %s: CMD[%s] ioctl  mode 0x%x, cmd 0x%x arg %0lx\n",

		 skdev->name, __func__, __LINE__,
@@ -1218,12 +1219,18 @@ static int skd_bdev_ioctl(struct block_device *bdev, fmode_t mode, 


	switch (cmd_in) {

	case SG_SET_TIMEOUT:

		rc = get_user(timeout, p);

		if (!rc)

			disk->queue->sg_timeout = clock_t_to_jiffies(timeout);

		break;

	case SG_GET_TIMEOUT:

		rc = jiffies_to_clock_t(disk->queue->sg_timeout);

		break;

	case SG_GET_VERSION_NUM:

		rc = scsi_cmd_ioctl(disk->queue, disk, mode, cmd_in, p);

		rc = put_user(sg_version_num, p);

		break;

	case SG_IO:

		rc = skd_ioctl_sg_io(skdev, mode, p);

		rc = skd_ioctl_sg_io(skdev, mode, (void __user *)arg);

		break;



	default: