From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Thu, 9 Nov 2017 10:49:56 -0800
Subject: [PATCH] ide, scsi: Tell the block layer at request allocation time
Git-commit: 039c635f4e666b647df2100038de276a83fb3fca
Patch-mainline: v4.15-rc1
References: bsc#1118139
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>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/ide/ide-pm.c | 4 ++--
drivers/scsi/scsi_lib.c | 6 +++---
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)
}
memset(&rqpm, 0, sizeof(rqpm));
- rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, __GFP_RECLAIM);
+ rq = blk_get_request_flags(drive->queue, REQ_OP_DRV_IN,
+ BLK_MQ_REQ_PREEMPT);
ide_req(rq)->type = ATA_PRIV_PM_RESUME;
- rq->rq_flags |= RQF_PREEMPT;
rq->special = &rqpm;
rqpm.pm_step = IDE_PM_START_RESUME;
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,
struct scsi_request *rq;
int ret = DRIVER_ERROR << 24;
- req = blk_get_request(sdev->request_queue,
+ req = blk_get_request_flags(sdev->request_queue,
data_direction == DMA_TO_DEVICE ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, __GFP_RECLAIM);
+ REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, BLK_MQ_REQ_PREEMPT);
if (IS_ERR(req))
return ret;
rq = scsi_req(req);
@@ -268,7 +268,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
rq->retries = retries;
req->timeout = timeout;
req->cmd_flags |= flags;
- req->rq_flags |= rq_flags | RQF_QUIET | RQF_PREEMPT;
+ req->rq_flags |= rq_flags | RQF_QUIET;
/*
* head injection *required* here otherwise quiesce won't work
--
2.12.3