[RFC PATCH 06/14] SCSI: pass scsi_device to scsi_mq_prep_fn
From: Ming Lei <hidden>
Date: 2018-08-07 17:44:25
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
This patchset will introduce per-host admin queue, so it may not to get 'scsi_device' via q->queuedata. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Christoph Hellwig <hch@lst.de> Cc: Bart Van Assche <redacted> Cc: Jianchao Wang <redacted> Cc: Hannes Reinecke <hare@suse.de> Cc: Johannes Thumshirn <redacted> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: "James E.J. Bottomley" <redacted> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Signed-off-by: Ming Lei <redacted> --- drivers/scsi/scsi_lib.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 435347f58328..52e498fb6280 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c@@ -1971,10 +1971,9 @@ static unsigned int scsi_mq_sgl_size(struct Scsi_Host *shost) sizeof(struct scatterlist); } -static int scsi_mq_prep_fn(struct request *req) +static int scsi_mq_prep_fn(struct scsi_device *sdev, struct request *req) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); - struct scsi_device *sdev = req->q->queuedata; struct Scsi_Host *shost = sdev->host; struct scatterlist *sg;
@@ -2070,7 +2069,7 @@ static blk_status_t scsi_queue_rq(struct blk_mq_hw_ctx *hctx, goto out_dec_target_busy; if (!(req->rq_flags & RQF_DONTPREP)) { - ret = prep_to_mq(scsi_mq_prep_fn(req)); + ret = prep_to_mq(scsi_mq_prep_fn(sdev, req)); if (ret != BLK_STS_OK) goto out_dec_host_busy; req->rq_flags |= RQF_DONTPREP;
--
2.9.5