@@ -142,8 +142,6 @@ static const char *const blk_op_name[] = {
REQ_OP_NAME(ZONE_APPEND),
REQ_OP_NAME(WRITE_SAME),
REQ_OP_NAME(WRITE_ZEROES),
- REQ_OP_NAME(SCSI_IN),
- REQ_OP_NAME(SCSI_OUT),
REQ_OP_NAME(DRV_IN),
REQ_OP_NAME(DRV_OUT),
};
@@ -45,7 +45,7 @@ static int bsg_transport_fill_hdr(struct request *rq, struct sg_io_v4 *hdr,
return PTR_ERR(job->request);
if (hdr->dout_xfer_len && hdr->din_xfer_len) {
- job->bidi_rq = blk_get_request(rq->q, REQ_OP_SCSI_IN, 0);
+ job->bidi_rq = blk_get_request(rq->q, REQ_OP_DRV_IN, 0);
if (IS_ERR(job->bidi_rq)) {
ret = PTR_ERR(job->bidi_rq);
goto out;
@@ -152,7 +152,7 @@ static int bsg_sg_io(struct request_queue *q, fmode_t mode, void __user *uarg)
return ret;
rq = blk_get_request(q, hdr.dout_xfer_len ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
@@ -311,7 +311,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
at_head = 1;
ret = -ENOMEM;
- rq = blk_get_request(q, writing ? REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ rq = blk_get_request(q, writing ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
req = scsi_req(rq);
@@ -433,7 +433,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
}
- rq = blk_get_request(q, in_len ? REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ rq = blk_get_request(q, in_len ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
goto error_free_buffer;
@@ -521,7 +521,7 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
struct request *rq;
int err;
- rq = blk_get_request(q, REQ_OP_SCSI_OUT, 0);
+ rq = blk_get_request(q, REQ_OP_DRV_OUT, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
@@ -704,7 +704,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
int ret = 0;
rq = blk_get_request(q, (cgc->data_direction == CGC_DATA_WRITE) ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
@@ -2186,7 +2186,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
len = nr * CD_FRAMESIZE_RAW;
- rq = blk_get_request(q, REQ_OP_SCSI_IN, 0);
+ rq = blk_get_request(q, REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
ret = PTR_ERR(rq);
break;
@@ -2011,7 +2011,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
struct request *req;
struct scsi_request *rq;
- req = blk_get_request(sdev->request_queue, REQ_OP_SCSI_IN, 0);
+ req = blk_get_request(sdev->request_queue, REQ_OP_DRV_IN, 0);
if (IS_ERR(req))
return;
rq = scsi_req(req);
@@ -215,7 +215,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
req = blk_get_request(sdev->request_queue,
data_direction == DMA_TO_DEVICE ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN,
+ REQ_OP_DRV_OUT : REQ_OP_DRV_IN,
rq_flags & RQF_PM ? BLK_MQ_REQ_PM : 0);
if (IS_ERR(req))
return ret;
@@ -540,7 +540,7 @@ static bool scsi_end_request(struct request *req, blk_status_t error,
if (blk_queue_add_random(q))
add_disk_randomness(req->rq_disk);
- if (!blk_rq_is_scsi(req)) {
+ if (!blk_rq_is_passthrough(req)) {
WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED));
cmd->flags &= ~SCMD_INITIALIZED;
}
@@ -1115,7 +1115,7 @@ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd)
bool in_flight;
int budget_token = cmd->budget_token;
- if (!blk_rq_is_scsi(rq) && !(flags & SCMD_INITIALIZED)) {
+ if (!blk_rq_is_passthrough(rq) && !(flags & SCMD_INITIALIZED)) {
flags |= SCMD_INITIALIZED;
scsi_initialize_rq(rq);
}
@@ -1556,7 +1556,7 @@ static blk_status_t scsi_prepare_cmd(struct request *req)
* Special handling for passthrough commands, which don't go to the ULP
* at all:
*/
- if (blk_rq_is_scsi(req))
+ if (blk_rq_is_passthrough(req))
return scsi_setup_scsi_cmnd(sdev, req);
if (sdev->handler && sdev->handler->prep_fn) {
@@ -1756,7 +1756,7 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
* not expect an EWOULDBLOCK from this condition.
*/
rq = blk_get_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
kfree(long_cmdp);
return PTR_ERR(rq);
@@ -549,7 +549,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd,
req = blk_get_request(SRpnt->stp->device->request_queue,
data_direction == DMA_TO_DEVICE ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(req))
return DRIVER_ERROR << 24;
rq = scsi_req(req);
@@ -982,7 +982,7 @@ pscsi_execute_cmd(struct se_cmd *cmd)
req = blk_get_request(pdv->pdv_sd->request_queue,
cmd->data_direction == DMA_TO_DEVICE ?
- REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, 0);
+ REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(req)) {
pr_err("PSCSI: blk_get_request() failed\n");
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
@@ -236,7 +236,7 @@ static int nfsd4_scsi_identify_device(struct block_device *bdev,
if (!buf)
return -ENOMEM;
- rq = blk_get_request(q, REQ_OP_SCSI_IN, 0);
+ rq = blk_get_request(q, REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
error = -ENOMEM;
goto out_free_buf;
@@ -350,9 +350,6 @@ enum req_opf {
/* reset all the zone present on the device */
REQ_OP_ZONE_RESET_ALL = 17,
- /* SCSI passthrough using struct scsi_request */
- REQ_OP_SCSI_IN = 32,
- REQ_OP_SCSI_OUT = 33,
/* Driver private requests */
REQ_OP_DRV_IN = 34,
REQ_OP_DRV_OUT = 35,
@@ -240,42 +240,15 @@ struct request {
void *end_io_data;
};
-static inline bool blk_op_is_scsi(unsigned int op)
-{
- return op == REQ_OP_SCSI_IN || op == REQ_OP_SCSI_OUT;
-}
-
-static inline bool blk_op_is_private(unsigned int op)
+static inline bool blk_op_is_passthrough(unsigned int op)
{
+ op &= REQ_OP_MASK;
return op == REQ_OP_DRV_IN || op == REQ_OP_DRV_OUT;
}
-static inline bool blk_rq_is_scsi(struct request *rq)
-{
- return blk_op_is_scsi(req_op(rq));
-}
-
-static inline bool blk_rq_is_private(struct request *rq)
-{
- return blk_op_is_private(req_op(rq));
-}
-
static inline bool blk_rq_is_passthrough(struct request *rq)
{
- return blk_rq_is_scsi(rq) || blk_rq_is_private(rq);
-}
-
-static inline bool bio_is_passthrough(struct bio *bio)
-{
- unsigned op = bio_op(bio);
-
- return blk_op_is_scsi(op) || blk_op_is_private(op);
-}
-
-static inline bool blk_op_is_passthrough(unsigned int op)
-{
- return (blk_op_is_scsi(op & REQ_OP_MASK) ||
- blk_op_is_private(op & REQ_OP_MASK));
+ return blk_op_is_passthrough(req_op(rq));
}
static inline unsigned short req_get_ioprio(struct request *req)
With the legacy IDE driver gone drivers now use either REQ_OP_DRV_* or REQ_OP_SCSI_*, so unify the two concepts of passthrough requests into a single one. Signed-off-by: Christoph Hellwig <hch@lst.de> --- block/blk-core.c | 2 -- block/bsg-lib.c | 2 +- block/bsg.c | 2 +- block/scsi_ioctl.c | 6 +++--- drivers/block/pktcdvd.c | 2 +- drivers/cdrom/cdrom.c | 2 +- drivers/scsi/scsi_error.c | 2 +- drivers/scsi/scsi_lib.c | 8 ++++---- drivers/scsi/sg.c | 2 +- drivers/scsi/st.c | 2 +- drivers/target/target_core_pscsi.c | 2 +- fs/nfsd/blocklayout.c | 2 +- include/linux/blk_types.h | 3 --- include/linux/blkdev.h | 33 +++--------------------------- 14 files changed, 19 insertions(+), 51 deletions(-)