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authorBart Van Assche <bart.vanassche@wdc.com>2017-11-09 13:49:56 -0500
committerJens Axboe <axboe@kernel.dk>2017-11-10 21:53:25 -0500
commit039c635f4e666b647df2100038de276a83fb3fca (patch)
tree9c0fc61b533a16efc466f59fe88a2cc55511e0b5
parent1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a (diff)
ide, scsi: Tell the block layer at request allocation time about preempt requests
Convert blk_get_request(q, op, __GFP_RECLAIM) into blk_get_request_flags(q, op, BLK_MQ_PREEMPT). This patch does not change any functionality. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Tested-by: Martin Steigerwald <martin@lichtvoll.de> Acked-by: David S. Miller <davem@davemloft.net> [ for IDE ] Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Cc: Ming Lei <ming.lei@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--drivers/ide/ide-pm.c4
-rw-r--r--drivers/scsi/scsi_lib.c6
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 544f02d673ca..f56d742908df 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -89,9 +89,9 @@ int generic_ide_resume(struct device *dev)
89 } 89 }
90 90
91 memset(&rqpm, 0, sizeof(rqpm)); 91 memset(&rqpm, 0, sizeof(rqpm));
92 rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, __GFP_RECLAIM); 92 rq = blk_get_request_flags(drive->queue, REQ_OP_DRV_IN,
93 BLK_MQ_REQ_PREEMPT);
93 ide_req(rq)->type = ATA_PRIV_PM_RESUME; 94 ide_req(rq)->type = ATA_PRIV_PM_RESUME;
94 rq->rq_flags |= RQF_PREEMPT;
95 rq->special = &rqpm; 95 rq->special = &rqpm;
96 rqpm.pm_step = IDE_PM_START_RESUME; 96 rqpm.pm_step = IDE_PM_START_RESUME;
97 rqpm.pm_state = PM_EVENT_ON; 97 rqpm.pm_state = PM_EVENT_ON;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 286ea983c9e3..eb129dfc2ebe 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -252,9 +252,9 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
252 struct scsi_request *rq; 252 struct scsi_request *rq;
253 int ret = DRIVER_ERROR << 24; 253 int ret = DRIVER_ERROR << 24;
254 254
255 req = blk_get_request(sdev->request_queue, 255 req = blk_get_request_flags(sdev->request_queue,
256 data_direction == DMA_TO_DEVICE ? 256 data_direction == DMA_TO_DEVICE ?
257 REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, __GFP_RECLAIM); 257 REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, BLK_MQ_REQ_PREEMPT);
258 if (IS_ERR(req)) 258 if (IS_ERR(req))
259 return ret; 259 return ret;
260 rq = scsi_req(req); 260 rq = scsi_req(req);
@@ -268,7 +268,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
268 rq->retries = retries; 268 rq->retries = retries;
269 req->timeout = timeout; 269 req->timeout = timeout;
270 req->cmd_flags |= flags; 270 req->cmd_flags |= flags;
271 req->rq_flags |= rq_flags | RQF_QUIET | RQF_PREEMPT; 271 req->rq_flags |= rq_flags | RQF_QUIET;
272 272
273 /* 273 /*
274 * head injection *required* here otherwise quiesce won't work 274 * head injection *required* here otherwise quiesce won't work