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New function blk_req_append_bio

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ll_back_merge_fn is currently exported to SCSI where is it used,
together with blk_rq_bio_prep, in exactly the same way these
functions are used in __blk_rq_map_user.

So move the common code into a new function (blk_rq_append_bio), and
don't export ll_back_merge_fn any longer.

Signed-off-by: Neil Brown <neilb@suse.de>

diff .prev/block/ll_rw_blk.c ./block/ll_rw_blk.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
NeilBrown
2007-08-16 13:31:27 +02:00
committed by Jens Axboe
parent eea9befacc
commit 3001ca7712
3 changed files with 25 additions and 28 deletions
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4
include/linux/blkdev.h
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@@ -675,8 +675,8 @@ extern int sg_scsi_ioctl(struct file *, struct request_queue *,
/*
* Temporary export, until SCSI gets fixed up.
*/
extern int ll_back_merge_fn(struct request_queue *, struct request *,
struct bio *);
extern int blk_rq_append_bio(struct request_queue *q, struct request *rq,
struct bio *bio);
/*
* A queue has just exitted congestion. Note this in the global counter of