diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-11-01 08:12:48 -0600 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-08 17:30:00 -0500 |
| commit | 2d9c5c20c93eacc00642f6ce10ce47f31fa0b6ac (patch) | |
| tree | b1bf5cb75f18b2dfafe22392ee78ea3d97df1c6a /include/scsi/scsi_host.h | |
| parent | 9e5a7e22951bc12ee45cb617919d57b5efce56b5 (diff) | |
scsi: allow LLDDs to expose the queue mapping to blk-mq
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>
Diffstat (limited to 'include/scsi/scsi_host.h')
| -rw-r--r-- | include/scsi/scsi_host.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 7e4cd53139ed..36680f13270d 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -278,6 +278,14 @@ 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 * the host adapter. Parameters: |