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block: blk_rq_[cur_]_{sectors|bytes}() usage cleanup

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With the previous changes, the followings are now guaranteed for all
requests in any valid state.

* blk_rq_sectors() == blk_rq_bytes() >> 9
* blk_rq_cur_sectors() == blk_rq_cur_bytes() >> 9

Clean up accessor usages.  Notable changes are

* nbd,i2o_block: end_all used instead of explicit byte count
* scsi_lib: unnecessary conditional on request type removed

[ Impact: cleanup ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Paul Clements <paul.clements@steeleye.com>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: Alex Dubov <oakad@yahoo.com>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Tejun Heo
2009-05-07 22:24:45 +09:00
committed by Jens Axboe
parent a2dec7b363
commit 1011c1b9f2
9 changed files with 18 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/scsi/scsi_lib.c
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@@ -546,7 +546,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int error,
* to queue the remainder of them.
*/
if (blk_end_request(req, error, bytes)) {
int leftover = blk_rq_sectors(req) << 9;
int leftover = blk_rq_bytes(req);
if (blk_pc_request(req))
leftover = req->resid_len;
@@ -964,10 +964,7 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb,
count = blk_rq_map_sg(req->q, req, sdb->table.sgl);
BUG_ON(count > sdb->table.nents);
sdb->table.nents = count;
if (blk_pc_request(req))
sdb->length = blk_rq_bytes(req);
else
sdb->length = blk_rq_sectors(req) << 9;
sdb->length = blk_rq_bytes(req);
return BLKPREP_OK;
}