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| author | Ming Lei <ming.lei@redhat.com> | 2018-03-13 17:42:41 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-03-14 23:31:13 -0400 |
| commit | 2f31115e940c4afd49b99c33123534e2ac924ffb (patch) | |
| tree | 34813dcad7d2ab489a0f3e02b15f852c6182f09d /drivers/scsi/hosts.c | |
| parent | adbe552349f2d1e48357a00e564d26135e586634 (diff) | |
| download | lwn-2f31115e940c4afd49b99c33123534e2ac924ffb.tar.gz lwn-2f31115e940c4afd49b99c33123534e2ac924ffb.zip | |
scsi: core: introduce force_blk_mq
This patch introduces 'force_blk_mq' to the scsi_host_template so that
drivers that have no desire to support the legacy I/O path can signal
blk-mq only support.
[mkp: commit desc]
Cc: Omar Sandoval <osandov@fb.com>,
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Cc: James Bottomley <james.bottomley@hansenpartnership.com>,
Cc: Christoph Hellwig <hch@lst.de>,
Cc: Don Brace <don.brace@microsemi.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hosts.c')
| -rw-r--r-- | drivers/scsi/hosts.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index dd9464920456..ef22b275d050 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -474,6 +474,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) shost->dma_boundary = 0xffffffff; shost->use_blk_mq = scsi_use_blk_mq; + shost->use_blk_mq = scsi_use_blk_mq || shost->hostt->force_blk_mq; device_initialize(&shost->shost_gendev); dev_set_name(&shost->shost_gendev, "host%d", shost->host_no); |