diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-01-27 09:46:29 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-27 15:08:35 -0700 |
| commit | 82ed4db499b8598f16f8871261bff088d6b0597f (patch) | |
| tree | e1cc0a433bf5ae2b9723837291617bdfeeb61816 /drivers/scsi/osst.c | |
| parent | 8ae94eb65be9425af4d57a4f4cfebfdf03081e93 (diff) | |
| download | linux-82ed4db499b8598f16f8871261bff088d6b0597f.tar.bz2 | |
block: split scsi_request out of struct request
And require all drivers that want to support BLOCK_PC to allocate it
as the first thing of their private data. To support this the legacy
IDE and BSG code is switched to set cmd_size on their queues to let
the block layer allocate the additional space.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/scsi/osst.c')
| -rw-r--r-- | drivers/scsi/osst.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index e8196c55b633..d314aa5c71cf 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -322,6 +322,7 @@ static int osst_chk_result(struct osst_tape * STp, struct osst_request * SRpnt) /* Wakeup from interrupt */ static void osst_end_async(struct request *req, int update) { + struct scsi_request *rq = scsi_req(req); struct osst_request *SRpnt = req->end_io_data; struct osst_tape *STp = SRpnt->stp; struct rq_map_data *mdata = &SRpnt->stp->buffer->map_data; @@ -330,6 +331,8 @@ static void osst_end_async(struct request *req, int update) #if DEBUG STp->write_pending = 0; #endif + if (rq->sense_len) + memcpy(SRpnt->sense, rq->sense, SCSI_SENSE_BUFFERSIZE); if (SRpnt->waiting) complete(SRpnt->waiting); @@ -357,6 +360,7 @@ static int osst_execute(struct osst_request *SRpnt, const unsigned char *cmd, int use_sg, int timeout, int retries) { struct request *req; + struct scsi_request *rq; struct page **pages = NULL; struct rq_map_data *mdata = &SRpnt->stp->buffer->map_data; @@ -367,7 +371,8 @@ static int osst_execute(struct osst_request *SRpnt, const unsigned char *cmd, if (IS_ERR(req)) return DRIVER_ERROR << 24; - blk_rq_set_block_pc(req); + rq = scsi_req(req); + scsi_req_init(req); req->rq_flags |= RQF_QUIET; SRpnt->bio = NULL; @@ -404,11 +409,9 @@ static int osst_execute(struct osst_request *SRpnt, const unsigned char *cmd, goto free_req; } - req->cmd_len = cmd_len; - memset(req->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */ - memcpy(req->cmd, cmd, req->cmd_len); - req->sense = SRpnt->sense; - req->sense_len = 0; + rq->cmd_len = cmd_len; + 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; req->end_io_data = SRpnt; |