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/osd | |
| parent | block/bsg: move queue creation into bsg_setup_queue (diff) | |
| download | linux-dev-82ed4db499b8598f16f8871261bff088d6b0597f.tar.xz linux-dev-82ed4db499b8598f16f8871261bff088d6b0597f.zip | |
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/osd')
| -rw-r--r-- | drivers/scsi/osd/osd_initiator.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index ef99f62831fb..fcb040eebf47 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -48,6 +48,7 @@ #include <scsi/osd_sense.h> #include <scsi/scsi_device.h> +#include <scsi/scsi_request.h> #include "osd_debug.h" @@ -477,11 +478,13 @@ static void _set_error_resid(struct osd_request *or, struct request *req, { or->async_error = error; or->req_errors = req->errors ? : error; - or->sense_len = req->sense_len; + or->sense_len = scsi_req(req)->sense_len; + if (or->sense_len) + memcpy(or->sense, scsi_req(req)->sense, or->sense_len); if (or->out.req) - or->out.residual = or->out.req->resid_len; + or->out.residual = scsi_req(or->out.req)->resid_len; if (or->in.req) - or->in.residual = or->in.req->resid_len; + or->in.residual = scsi_req(or->in.req)->resid_len; } int osd_execute_request(struct osd_request *or) @@ -1565,7 +1568,7 @@ static struct request *_make_request(struct request_queue *q, bool has_write, req = blk_get_request(q, has_write ? WRITE : READ, flags); if (IS_ERR(req)) return req; - blk_rq_set_block_pc(req); + scsi_req_init(req); for_each_bio(bio) { struct bio *bounce_bio = bio; @@ -1599,8 +1602,6 @@ static int _init_blk_request(struct osd_request *or, req->timeout = or->timeout; req->retries = or->retries; - req->sense = or->sense; - req->sense_len = 0; if (has_out) { or->out.req = req; @@ -1612,7 +1613,7 @@ static int _init_blk_request(struct osd_request *or, ret = PTR_ERR(req); goto out; } - blk_rq_set_block_pc(req); + scsi_req_init(req); or->in.req = or->request->next_rq = req; } } else if (has_in) @@ -1699,8 +1700,8 @@ int osd_finalize_request(struct osd_request *or, osd_sec_sign_cdb(&or->cdb, cap_key); - or->request->cmd = or->cdb.buff; - or->request->cmd_len = _osd_req_cdb_len(or); + scsi_req(or->request)->cmd = or->cdb.buff; + scsi_req(or->request)->cmd_len = _osd_req_cdb_len(or); return 0; } |