This just moves the prep_to_mq calls up in preparation of further removal of BLKPREP_* usage.
Signed-off-by: Christoph Hellwig <[email protected]> --- drivers/scsi/scsi_lib.c | 45 ++++++++++++++++++++++------------------- 1 file changed, 24 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 5ecabb3e77b7..e665c25da144 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1177,7 +1177,20 @@ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd) scsi_add_cmd_to_list(cmd); } -static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req) +static inline blk_status_t prep_to_mq(int ret) +{ + switch (ret) { + case BLKPREP_OK: + return BLK_STS_OK; + case BLKPREP_DEFER: + return BLK_STS_RESOURCE; + default: + return BLK_STS_IOERR; + } +} + +static blk_status_t scsi_setup_scsi_cmnd(struct scsi_device *sdev, + struct request *req) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); @@ -1190,7 +1203,7 @@ static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req) if (req->bio) { int ret = scsi_init_io(cmd); if (unlikely(ret)) - return ret; + return prep_to_mq(ret); } else { BUG_ON(blk_rq_bytes(req)); @@ -1201,29 +1214,31 @@ static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req) cmd->cmnd = scsi_req(req)->cmd; cmd->transfersize = blk_rq_bytes(req); cmd->allowed = scsi_req(req)->retries; - return BLKPREP_OK; + return BLK_STS_OK; } /* * Setup a normal block command. These are simple request from filesystems * that still need to be translated to SCSI CDBs from the ULD. */ -static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req) +static blk_status_t scsi_setup_fs_cmnd(struct scsi_device *sdev, + struct request *req) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); if (unlikely(sdev->handler && sdev->handler->prep_fn)) { int ret = sdev->handler->prep_fn(sdev, req); if (ret != BLKPREP_OK) - return ret; + return prep_to_mq(ret); } cmd->cmnd = scsi_req(req)->cmd = scsi_req(req)->__cmd; memset(cmd->cmnd, 0, BLK_MAX_CDB); - return scsi_cmd_to_driver(cmd)->init_command(cmd); + return prep_to_mq(scsi_cmd_to_driver(cmd)->init_command(cmd)); } -static int scsi_setup_cmnd(struct scsi_device *sdev, struct request *req) +static blk_status_t scsi_setup_cmnd(struct scsi_device *sdev, + struct request *req) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); @@ -1581,18 +1596,6 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd) return 0; } -static inline blk_status_t prep_to_mq(int ret) -{ - switch (ret) { - case BLKPREP_OK: - return BLK_STS_OK; - case BLKPREP_DEFER: - return BLK_STS_RESOURCE; - default: - return BLK_STS_IOERR; - } -} - /* Size in bytes of the sg-list stored in the scsi-mq command-private data. */ static unsigned int scsi_mq_sgl_size(struct Scsi_Host *shost) { @@ -1600,7 +1603,7 @@ static unsigned int scsi_mq_sgl_size(struct Scsi_Host *shost) sizeof(struct scatterlist); } -static int scsi_mq_prep_fn(struct request *req) +static blk_status_t scsi_mq_prep_fn(struct request *req) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); struct scsi_device *sdev = req->q->queuedata; @@ -1705,7 +1708,7 @@ static blk_status_t scsi_queue_rq(struct blk_mq_hw_ctx *hctx, goto out_dec_target_busy; if (!(req->rq_flags & RQF_DONTPREP)) { - ret = prep_to_mq(scsi_mq_prep_fn(req)); + ret = scsi_mq_prep_fn(req); if (ret != BLK_STS_OK) goto out_dec_host_busy; req->rq_flags |= RQF_DONTPREP; -- 2.19.1
