Commit 6bd49b1a authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

scsi: core: Delete scsi_{get,free}_host_dev() 

Since commit 0653c358 ("scsi: Drop gdth driver"), functions
scsi_{get,free}_host_dev() no longer have any in-tree users, so delete
them.

Link: https://lore.kernel.org/r/1631528047-30150-1-git-send-email-john.garry@huawei.com


Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Nacked-by: default avatarHannes Reinecke <hare@suse.de>
parent ca4ff9e7

drivers/scsi/scsi_scan.c

+0 −57
Original line number Diff line number Diff line
@@ -1902,60 +1902,3 @@ void scsi_forget_host(struct Scsi_Host *shost) 
	spin_unlock_irqrestore(shost->host_lock, flags);

}

/**

 * scsi_get_host_dev - Create a scsi_device that points to the host adapter itself

 * @shost: Host that needs a scsi_device

 *

 * Lock status: None assumed.

 *

 * Returns:     The scsi_device or NULL

 *

 * Notes:

 *	Attach a single scsi_device to the Scsi_Host - this should

 *	be made to look like a "pseudo-device" that points to the

 *	HA itself.

 *

 *	Note - this device is not accessible from any high-level

 *	drivers (including generics), which is probably not

 *	optimal.  We can add hooks later to attach.

 */

struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)

{

	struct scsi_device *sdev = NULL;

	struct scsi_target *starget;



	mutex_lock(&shost->scan_mutex);

	if (!scsi_host_scan_allowed(shost))

		goto out;

	starget = scsi_alloc_target(&shost->shost_gendev, 0, shost->this_id);

	if (!starget)

		goto out;



	sdev = scsi_alloc_sdev(starget, 0, NULL);

	if (sdev)

		sdev->borken = 0;

	else

		scsi_target_reap(starget);

	put_device(&starget->dev);

 out:

	mutex_unlock(&shost->scan_mutex);

	return sdev;

}

EXPORT_SYMBOL(scsi_get_host_dev);



/**

 * scsi_free_host_dev - Free a scsi_device that points to the host adapter itself

 * @sdev: Host device to be freed

 *

 * Lock status: None assumed.

 *

 * Returns:     Nothing

 */

void scsi_free_host_dev(struct scsi_device *sdev)

{

	BUG_ON(sdev->id != sdev->host->this_id);



	__scsi_remove_device(sdev);

}

EXPORT_SYMBOL(scsi_free_host_dev);

include/scsi/scsi_host.h

+0 −10
Original line number Diff line number Diff line
@@ -797,16 +797,6 @@ void scsi_host_busy_iter(struct Scsi_Host *, 


struct class_container;



/*

 * These two functions are used to allocate and free a pseudo device

 * which will connect to the host adapter itself rather than any

 * physical device.  You must deallocate when you are done with the

 * thing.  This physical pseudo-device isn't real and won't be available

 * from any high-level drivers.

 */

extern void scsi_free_host_dev(struct scsi_device *);

extern struct scsi_device *scsi_get_host_dev(struct Scsi_Host *);



/*

 * DIF defines the exchange of protection information between

 * initiator and SBC block device.