diff options
| author |   Kashyap Desai <kashyap.desai@broadcom.com> | 2021-02-15 13:10:48 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-03-04 17:37:03 -0500 |
| commit | 4309ea74b0c30f00c6a93b94db018ebb416dc14c (patch) | |
| tree | ed674015bfc8c01d64a791afacbb4d5ff6cbb6cc /drivers/scsi/scsi_lib.c | |
| parent | scsi: scsi_debug: Add new defer type for mq_poll (diff) | |
| download | linux-dev-4309ea74b0c30f00c6a93b94db018ebb416dc14c.tar.xz linux-dev-4309ea74b0c30f00c6a93b94db018ebb416dc14c.zip | |
scsi: core: Set shost as hctx driver_data
hctx->driver_data is not set for SCSI currently. Set hctx->driver_data =
shost.
Link: https://lore.kernel.org/r/20210215074048.19424-6-kashyap.desai@broadcom.com
Suggested-by: John Garry <john.garry@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 09d09ef9d193..4bcd744a5c85 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1813,9 +1813,7 @@ static void scsi_mq_exit_request(struct blk_mq_tag_set *set, struct request *rq, static int scsi_mq_poll(struct blk_mq_hw_ctx *hctx) { - struct request_queue *q = hctx->queue; - struct scsi_device *sdev = q->queuedata; - struct Scsi_Host *shost = sdev->host; + struct Scsi_Host *shost = hctx->driver_data; if (shost->hostt->mq_poll) return shost->hostt->mq_poll(shost, hctx->queue_num); @@ -1823,6 +1821,15 @@ static int scsi_mq_poll(struct blk_mq_hw_ctx *hctx) return 0; } +static int scsi_init_hctx(struct blk_mq_hw_ctx *hctx, void *data, + unsigned int hctx_idx) +{ + struct Scsi_Host *shost = data; + + hctx->driver_data = shost; + return 0; +} + static int scsi_map_queues(struct blk_mq_tag_set *set) { struct Scsi_Host *shost = container_of(set, struct Scsi_Host, tag_set); @@ -1890,6 +1897,7 @@ static const struct blk_mq_ops scsi_mq_ops_no_commit = { .cleanup_rq = scsi_cleanup_rq, .busy = scsi_mq_lld_busy, .map_queues = scsi_map_queues, + .init_hctx = scsi_init_hctx, .poll = scsi_mq_poll, .set_rq_budget_token = scsi_mq_set_rq_budget_token, .get_rq_budget_token = scsi_mq_get_rq_budget_token, @@ -1898,9 +1906,7 @@ static const struct blk_mq_ops scsi_mq_ops_no_commit = { static void scsi_commit_rqs(struct blk_mq_hw_ctx *hctx) { - struct request_queue *q = hctx->queue; - struct scsi_device *sdev = q->queuedata; - struct Scsi_Host *shost = sdev->host; + struct Scsi_Host *shost = hctx->driver_data; shost->hostt->commit_rqs(shost, hctx->queue_num); } @@ -1921,6 +1927,7 @@ static const struct blk_mq_ops scsi_mq_ops = { .cleanup_rq = scsi_cleanup_rq, .busy = scsi_mq_lld_busy, .map_queues = scsi_map_queues, + .init_hctx = scsi_init_hctx, .poll = scsi_mq_poll, .set_rq_budget_token = scsi_mq_set_rq_budget_token, .get_rq_budget_token = scsi_mq_get_rq_budget_token, |