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ide: drop rq->data handling from ide_map_sg()

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Impact: remove code path which is no longer necessary

All IDE data transfers now use rq->bio.  Simplify ide_map_sg()
accordingly.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Tejun Heo 2009-04-19 08:46:03 +09:00
parent 6d7003877c
commit 2c316bb57a
1 changed files with 1 additions and 5 deletions
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6
drivers/ide/ide-io.c
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@ -248,11 +248,7 @@ void ide_map_sg(ide_drive_t *drive, struct ide_cmd *cmd)
struct scatterlist *sg = hwif->sg_table;
struct request *rq = cmd->rq;
if (!rq->bio) {
sg_init_one(sg, rq->data, rq->data_len);
cmd->sg_nents = 1;
} else
cmd->sg_nents = blk_rq_map_sg(drive->queue, rq, sg);
cmd->sg_nents = blk_rq_map_sg(drive->queue, rq, sg);
}
EXPORT_SYMBOL_GPL(ide_map_sg);