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Subject[PATCH 10/10] ide: drop rq->data handling from ide_map_sg()
Date
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>
---
drivers/ide/ide-io.c | 6 +-----
1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 9ad9bc1..6746171 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -244,11 +244,7 @@ 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);

--
1.6.0.2


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