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authorJens Axboe <jens.axboe@oracle.com>2006-12-19 08:27:31 +0100
committerJens Axboe <jens.axboe@oracle.com>2006-12-19 08:27:31 +0100
commit2985259b0e3928d4cd0723ac5aad0d1190ab7717 (patch)
tree70d1d7801699102d3bb52bc84b8ec8f4fc371c06
parenta52de245ef0b6217a56fb2472ff65c3a196cafd5 (diff)
downloadop-kernel-dev-2985259b0e3928d4cd0723ac5aad0d1190ab7717.zip
op-kernel-dev-2985259b0e3928d4cd0723ac5aad0d1190ab7717.tar.gz
[PATCH] ->nr_sectors and ->hard_nr_sectors are not used for BLOCK_PC requests
It's a file system thing, for block requests the only size used in the io paths is ->data_len as it is in bytes, not sectors. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
-rw-r--r--block/ll_rw_blk.c6
-rw-r--r--drivers/scsi/scsi_lib.c2
2 files changed, 2 insertions, 6 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 79807db..71a78a7 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -2350,12 +2350,12 @@ static int __blk_rq_map_user(request_queue_t *q, struct request *rq,
else
bio = bio_copy_user(q, uaddr, len, reading);
- if (IS_ERR(bio)) {
+ if (IS_ERR(bio))
return PTR_ERR(bio);
- }
orig_bio = bio;
blk_queue_bounce(q, &bio);
+
/*
* We link the bounce buffer in and could have to traverse it
* later so we have to get a ref to prevent it from being freed
@@ -2379,8 +2379,6 @@ static int __blk_rq_map_user(request_queue_t *q, struct request *rq,
rq->biotail->bi_next = bio;
rq->biotail = bio;
- rq->nr_sectors += bio_sectors(bio);
- rq->hard_nr_sectors = rq->nr_sectors;
rq->data_len += bio->bi_size;
}
spin_unlock_irq(q->queue_lock);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 1748e27..41a2ea3 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -270,8 +270,6 @@ static int scsi_merge_bio(struct request *rq, struct bio *bio)
else {
rq->biotail->bi_next = bio;
rq->biotail = bio;
- rq->hard_nr_sectors += bio_sectors(bio);
- rq->nr_sectors = rq->hard_nr_sectors;
}
return 0;
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