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author | Jens Axboe <axboe@fb.com> | 2017-02-17 22:08:19 +0100 |
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committer | Jens Axboe <axboe@fb.com> | 2017-02-17 22:08:19 +0100 |
commit | 818551e2b2c662a1b26de6b4f7d6b8411a838d18 (patch) | |
tree | f38b4c951df4d33db81ae7b7765a56bce491c2a8 /include/scsi/scsi_request.h | |
parent | Merge branch 'for-4.11/block' into for-4.11/linus-merge (diff) | |
parent | block: don't defer flushes on blk-mq + scheduling (diff) | |
download | linux-818551e2b2c662a1b26de6b4f7d6b8411a838d18.tar.xz linux-818551e2b2c662a1b26de6b4f7d6b8411a838d18.zip |
Merge branch 'for-4.11/next' into for-4.11/linus-merge
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/scsi/scsi_request.h')
-rw-r--r-- | include/scsi/scsi_request.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h new file mode 100644 index 000000000000..ba0aeb980f7e --- /dev/null +++ b/include/scsi/scsi_request.h @@ -0,0 +1,30 @@ +#ifndef _SCSI_SCSI_REQUEST_H +#define _SCSI_SCSI_REQUEST_H + +#include <linux/blk-mq.h> + +#define BLK_MAX_CDB 16 + +struct scsi_request { + unsigned char __cmd[BLK_MAX_CDB]; + unsigned char *cmd; + unsigned short cmd_len; + unsigned int sense_len; + unsigned int resid_len; /* residual count */ + void *sense; +}; + +static inline struct scsi_request *scsi_req(struct request *rq) +{ + return blk_mq_rq_to_pdu(rq); +} + +static inline void scsi_req_free_cmd(struct scsi_request *req) +{ + if (req->cmd != req->__cmd) + kfree(req->cmd); +} + +void scsi_req_init(struct request *); + +#endif /* _SCSI_SCSI_REQUEST_H */ |