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-rw-r--r--block/blk-core.c18
-rw-r--r--block/bsg.c3
-rw-r--r--block/scsi_ioctl.c6
-rw-r--r--drivers/block/pktcdvd.c2
-rw-r--r--drivers/cdrom/cdrom.c2
-rw-r--r--drivers/scsi/device_handler/scsi_dh_alua.c2
-rw-r--r--drivers/scsi/device_handler/scsi_dh_emc.c2
-rw-r--r--drivers/scsi/device_handler/scsi_dh_hp_sw.c4
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c2
-rw-r--r--drivers/scsi/osd/osd_initiator.c4
-rw-r--r--drivers/scsi/osst.c2
-rw-r--r--drivers/scsi/scsi_error.c3
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/sg.c3
-rw-r--r--drivers/scsi/st.c2
-rw-r--r--drivers/target/target_core_pscsi.c3
-rw-r--r--include/linux/blkdev.h1
17 files changed, 41 insertions, 20 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 40d654861c33..9aca8c71e70b 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1218,6 +1218,8 @@ struct request *blk_make_request(struct request_queue *q, struct bio *bio,
if (unlikely(!rq))
return ERR_PTR(-ENOMEM);
+ blk_rq_set_block_pc(rq);
+
for_each_bio(bio) {
struct bio *bounce_bio = bio;
int ret;
@@ -1235,6 +1237,22 @@ struct request *blk_make_request(struct request_queue *q, struct bio *bio,
EXPORT_SYMBOL(blk_make_request);
/**
+ * blk_rq_set_block_pc - initialize a requeest to type BLOCK_PC
+ * @rq: request to be initialized
+ *
+ */
+void blk_rq_set_block_pc(struct request *rq)
+{
+ rq->cmd_type = REQ_TYPE_BLOCK_PC;
+ rq->__data_len = 0;
+ rq->__sector = (sector_t) -1;
+ rq->bio = rq->biotail = NULL;
+ memset(rq->__cmd, 0, sizeof(rq->__cmd));
+ rq->cmd = rq->__cmd;
+}
+EXPORT_SYMBOL(blk_rq_set_block_pc);
+
+/**
* blk_requeue_request - put a request back on queue
* @q: request queue where request should be inserted
* @rq: request to be inserted
diff --git a/block/bsg.c b/block/bsg.c
index e5214c148096..ff46addde5d8 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -196,7 +196,6 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
* fill in request structure
*/
rq->cmd_len = hdr->request_len;
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->timeout = msecs_to_jiffies(hdr->timeout);
if (!rq->timeout)
@@ -273,6 +272,8 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, fmode_t has_write_perm,
rq = blk_get_request(q, rw, GFP_KERNEL);
if (!rq)
return ERR_PTR(-ENOMEM);
+ blk_rq_set_block_pc(rq);
+
ret = blk_fill_sgv4_hdr_rq(q, rq, hdr, bd, has_write_perm);
if (ret)
goto out;
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 9c28a5b38042..14695c6221c8 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -229,7 +229,6 @@ static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
* fill in request structure
*/
rq->cmd_len = hdr->cmd_len;
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->timeout = msecs_to_jiffies(hdr->timeout);
if (!rq->timeout)
@@ -311,6 +310,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
rq = blk_get_request(q, writing ? WRITE : READ, GFP_KERNEL);
if (!rq)
return -ENOMEM;
+ blk_rq_set_block_pc(rq);
if (blk_fill_sghdr_rq(q, rq, hdr, mode)) {
blk_put_request(rq);
@@ -491,7 +491,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
memset(sense, 0, sizeof(sense));
rq->sense = sense;
rq->sense_len = 0;
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(rq);
blk_execute_rq(q, disk, rq, 0);
@@ -524,7 +524,7 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
int err;
rq = blk_get_request(q, WRITE, __GFP_WAIT);
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(rq);
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
rq->cmd[0] = cmd;
rq->cmd[4] = data;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index ef166ad2dbad..758ac442c5b5 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -704,6 +704,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
rq = blk_get_request(q, (cgc->data_direction == CGC_DATA_WRITE) ?
WRITE : READ, __GFP_WAIT);
+ blk_rq_set_block_pc(rq);
if (cgc->buflen) {
ret = blk_rq_map_kern(q, rq, cgc->buffer, cgc->buflen,
@@ -716,7 +717,6 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
memcpy(rq->cmd, cgc->cmd, CDROM_PACKET_SIZE);
rq->timeout = 60*HZ;
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
if (cgc->quiet)
rq->cmd_flags |= REQ_QUIET;
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 49ac5662585b..0f40c95049c0 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2184,6 +2184,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
ret = -ENOMEM;
break;
}
+ blk_rq_set_block_pc(rq);
ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL);
if (ret) {
@@ -2203,7 +2204,6 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
rq->cmd[9] = 0xf8;
rq->cmd_len = 12;
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->timeout = 60 * HZ;
bio = rq->bio;
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 5248c888552b..7bcf67eec921 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -120,6 +120,7 @@ static struct request *get_alua_req(struct scsi_device *sdev,
"%s: blk_get_request failed\n", __func__);
return NULL;
}
+ blk_rq_set_block_pc(rq);
if (buflen && blk_rq_map_kern(q, rq, buffer, buflen, GFP_NOIO)) {
blk_put_request(rq);
@@ -128,7 +129,6 @@ static struct request *get_alua_req(struct scsi_device *sdev,
return NULL;
}
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
rq->retries = ALUA_FAILOVER_RETRIES;
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index e1c8be06de9d..6f07f7fe3aa1 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -280,6 +280,7 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
return NULL;
}
+ blk_rq_set_block_pc(rq);
rq->cmd_len = COMMAND_SIZE(cmd);
rq->cmd[0] = cmd;
@@ -304,7 +305,6 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
break;
}
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
rq->timeout = CLARIION_TIMEOUT;
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index 084062bb8ee9..e9d9fea9e272 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -120,7 +120,7 @@ retry:
if (!req)
return SCSI_DH_RES_TEMP_UNAVAIL;
- req->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(req);
req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY);
@@ -250,7 +250,7 @@ static int hp_sw_start_stop(struct hp_sw_dh_data *h)
if (!req)
return SCSI_DH_RES_TEMP_UNAVAIL;
- req->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(req);
req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
req->cmd_len = COMMAND_SIZE(START_STOP);
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 4b9cf93f3fb6..826069db9848 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -279,6 +279,7 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
"get_rdac_req: blk_get_request failed.\n");
return NULL;
}
+ blk_rq_set_block_pc(rq);
if (buflen && blk_rq_map_kern(q, rq, buffer, buflen, GFP_NOIO)) {
blk_put_request(rq);
@@ -287,7 +288,6 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
return NULL;
}
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
rq->retries = RDAC_RETRIES;
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index bac04c2335aa..5f4cbf0c4759 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -1570,6 +1570,7 @@ static struct request *_make_request(struct request_queue *q, bool has_write,
if (unlikely(!req))
return ERR_PTR(-ENOMEM);
+ blk_rq_set_block_pc(req);
return req;
}
}
@@ -1590,7 +1591,6 @@ static int _init_blk_request(struct osd_request *or,
}
or->request = req;
- req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_QUIET;
req->timeout = or->timeout;
@@ -1608,7 +1608,7 @@ static int _init_blk_request(struct osd_request *or,
ret = PTR_ERR(req);
goto out;
}
- req->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(req);
or->in.req = or->request->next_rq = req;
}
} else if (has_in)
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 21883a2d6324..0727ea7cc387 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -365,7 +365,7 @@ static int osst_execute(struct osst_request *SRpnt, const unsigned char *cmd,
if (!req)
return DRIVER_ERROR << 24;
- req->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(req);
req->cmd_flags |= REQ_QUIET;
SRpnt->bio = NULL;
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index f17aa7aa7879..af624619d547 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1951,6 +1951,8 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
*/
req = blk_get_request(sdev->request_queue, READ, GFP_KERNEL);
+ blk_rq_set_block_pc(req);
+
req->cmd[0] = ALLOW_MEDIUM_REMOVAL;
req->cmd[1] = 0;
req->cmd[2] = 0;
@@ -1960,7 +1962,6 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
req->cmd_len = COMMAND_SIZE(req->cmd[0]);
- req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_QUIET;
req->timeout = 10 * HZ;
req->retries = 5;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a0c95cac91f0..c3c1697b143e 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -195,6 +195,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
req = blk_get_request(sdev->request_queue, write, __GFP_WAIT);
if (!req)
return ret;
+ blk_rq_set_block_pc(req);
if (bufflen && blk_rq_map_kern(sdev->request_queue, req,
buffer, bufflen, __GFP_WAIT))
@@ -206,7 +207,6 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
req->sense_len = 0;
req->retries = retries;
req->timeout = timeout;
- req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= flags | REQ_QUIET | REQ_PREEMPT;
/*
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index df5e961484e1..53268aaba559 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1653,10 +1653,9 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd)
if (!rq)
return -ENOMEM;
+ blk_rq_set_block_pc(rq);
memcpy(rq->cmd, cmd, hp->cmd_len);
-
rq->cmd_len = hp->cmd_len;
- rq->cmd_type = REQ_TYPE_BLOCK_PC;
srp->rq = rq;
rq->end_io_data = srp;
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index afc834e172c6..14eb4b256a03 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -484,7 +484,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd,
if (!req)
return DRIVER_ERROR << 24;
- req->cmd_type = REQ_TYPE_BLOCK_PC;
+ blk_rq_set_block_pc(req);
req->cmd_flags |= REQ_QUIET;
mdata->null_mapped = 1;
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 0f199f6a0738..94d00df28f39 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -1055,6 +1055,8 @@ pscsi_execute_cmd(struct se_cmd *cmd)
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto fail;
}
+
+ blk_rq_set_block_pc(req);
} else {
BUG_ON(!cmd->data_length);
@@ -1071,7 +1073,6 @@ pscsi_execute_cmd(struct se_cmd *cmd)
}
}
- req->cmd_type = REQ_TYPE_BLOCK_PC;
req->end_io = pscsi_req_done;
req->end_io_data = cmd;
req->cmd_len = scsi_command_size(pt->pscsi_cdb);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index dc2c703f05fd..31e11051f1ba 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -796,6 +796,7 @@ extern void __blk_put_request(struct request_queue *, struct request *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
extern struct request *blk_make_request(struct request_queue *, struct bio *,
gfp_t);
+extern void blk_rq_set_block_pc(struct request *);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern void blk_add_request_payload(struct request *rq, struct page *page,
unsigned int len);
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