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scsi: allow LLDDs to expose the queue mapping to blk-mq

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Just hand through the blk-mq map_queues method in the host template.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig
2016-11-01 08:12:48 -06:00
committed by Martin K. Petersen
parent 9e5a7e2295
commit 2d9c5c20c9
2 changed files with 18 additions and 0 deletions
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8
include/scsi/scsi_host.h
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@@ -277,6 +277,14 @@ struct scsi_host_template {
*/
int (* change_queue_depth)(struct scsi_device *, int);
/*
* This functions lets the driver expose the queue mapping
* to the block layer.
*
* Status: OPTIONAL
*/
int (* map_queues)(struct Scsi_Host *shost);
/*
* This function determines the BIOS parameters for a given
* harddisk. These tend to be numbers that are made up by