AcoSail/kernel_optimize_test
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[PATCH] ->nr_sectors and ->hard_nr_sectors are not used for BLOCK_PC requests

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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>
This commit is contained in:
Jens Axboe 2006-12-19 08:27:31 +01:00
parent a52de245ef
commit 2985259b0e
2 changed files with 2 additions and 6 deletions
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6
block/ll_rw_blk.c
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@ -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);

2
drivers/scsi/scsi_lib.c
View File

@ -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;