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authorChristoph Hellwig <hch@lst.de>2017-04-05 19:18:12 +0200
committerJens Axboe <axboe@fb.com>2017-04-05 12:05:08 -0600
commit64c7f1d1572cacadfc0a4ca5a937aeffa486de58 (patch)
tree9b6a5030c06ba94e629e1411bebdb01b1735de78
parent44e44b29fb99a299dfaa404a59fa35519a197c6b (diff)
downloadop-kernel-dev-64c7f1d1572cacadfc0a4ca5a937aeffa486de58.zip
op-kernel-dev-64c7f1d1572cacadfc0a4ca5a937aeffa486de58.tar.gz
block, scsi: move the retries field to struct scsi_request
Instead of bloating the generic struct request with it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/scsi_ioctl.c8
-rw-r--r--drivers/scsi/osd/osd_initiator.c2
-rw-r--r--drivers/scsi/osst.c2
-rw-r--r--drivers/scsi/scsi_error.c2
-rw-r--r--drivers/scsi/scsi_lib.c4
-rw-r--r--drivers/scsi/sg.c2
-rw-r--r--drivers/scsi/st.c2
-rw-r--r--drivers/target/target_core_pscsi.c2
-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/scsi/scsi_request.h1
10 files changed, 13 insertions, 13 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 2a2fc76..82a43bb 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -362,7 +362,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
goto out_free_cdb;
bio = rq->bio;
- rq->retries = 0;
+ req->retries = 0;
start_time = jiffies;
@@ -476,13 +476,13 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
goto error;
/* default. possible overriden later */
- rq->retries = 5;
+ req->retries = 5;
switch (opcode) {
case SEND_DIAGNOSTIC:
case FORMAT_UNIT:
rq->timeout = FORMAT_UNIT_TIMEOUT;
- rq->retries = 1;
+ req->retries = 1;
break;
case START_STOP:
rq->timeout = START_STOP_TIMEOUT;
@@ -495,7 +495,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
break;
case READ_DEFECT_DATA:
rq->timeout = READ_DEFECT_DATA_TIMEOUT;
- rq->retries = 1;
+ req->retries = 1;
break;
default:
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index 6903f03..9d0727b 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -1602,7 +1602,7 @@ static int _init_blk_request(struct osd_request *or,
req->rq_flags |= RQF_QUIET;
req->timeout = or->timeout;
- req->retries = or->retries;
+ scsi_req(req)->retries = or->retries;
if (has_out) {
or->out.req = req;
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index c47f4b3..41bc1d6 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -414,7 +414,7 @@ static int osst_execute(struct osst_request *SRpnt, const unsigned char *cmd,
memset(rq->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */
memcpy(rq->cmd, cmd, rq->cmd_len);
req->timeout = timeout;
- req->retries = retries;
+ rq->retries = retries;
req->end_io_data = SRpnt;
blk_execute_rq_nowait(req->q, NULL, req, 1, osst_end_async);
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index f2cafae..2db412d 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1988,7 +1988,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
req->rq_flags |= RQF_QUIET;
req->timeout = 10 * HZ;
- req->retries = 5;
+ rq->retries = 5;
blk_execute_rq_nowait(req->q, NULL, req, 1, eh_lock_door_done);
}
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index c151966..11972d1 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -256,7 +256,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
rq->cmd_len = COMMAND_SIZE(cmd[0]);
memcpy(rq->cmd, cmd, rq->cmd_len);
- req->retries = retries;
+ rq->retries = retries;
req->timeout = timeout;
req->cmd_flags |= flags;
req->rq_flags |= rq_flags | RQF_QUIET | RQF_PREEMPT;
@@ -1177,7 +1177,7 @@ static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req)
cmd->cmd_len = scsi_req(req)->cmd_len;
cmd->cmnd = scsi_req(req)->cmd;
cmd->transfersize = blk_rq_bytes(req);
- cmd->allowed = req->retries;
+ cmd->allowed = scsi_req(req)->retries;
return BLKPREP_OK;
}
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 29b8650..b61cc3c 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1716,7 +1716,7 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
srp->rq = rq;
rq->end_io_data = srp;
- rq->retries = SG_DEFAULT_RETRIES;
+ req->retries = SG_DEFAULT_RETRIES;
if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE))
return 0;
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index e5ef78a..5408643 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -579,7 +579,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd,
memset(rq->cmd, 0, BLK_MAX_CDB);
memcpy(rq->cmd, cmd, rq->cmd_len);
req->timeout = timeout;
- req->retries = retries;
+ rq->retries = retries;
req->end_io_data = SRpnt;
blk_execute_rq_nowait(req->q, NULL, req, 1, st_scsi_execute_end);
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 94cda79..c7fa372 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -1008,7 +1008,7 @@ pscsi_execute_cmd(struct se_cmd *cmd)
req->timeout = PS_TIMEOUT_DISK;
else
req->timeout = PS_TIMEOUT_OTHER;
- req->retries = PS_RETRY;
+ scsi_req(req)->retries = PS_RETRY;
blk_execute_rq_nowait(pdv->pdv_sd->request_queue, NULL, req,
(cmd->sam_task_attr == TCM_HEAD_TAG),
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a2dc6b3..ce6f9a6 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -224,7 +224,6 @@ struct request {
unsigned long deadline;
struct list_head timeout_list;
unsigned int timeout;
- int retries;
/*
* completion callback.
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
index ba0aeb9..7c583a0 100644
--- a/include/scsi/scsi_request.h
+++ b/include/scsi/scsi_request.h
@@ -11,6 +11,7 @@ struct scsi_request {
unsigned short cmd_len;
unsigned int sense_len;
unsigned int resid_len; /* residual count */
+ int retries;
void *sense;
};
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