Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=66846572bfb4ec62bcba260028cbbcbdb77bd636
Commit: 66846572bfb4ec62bcba260028cbbcbdb77bd636
Parent: 3001ca77128273cc5634d79f5306ce2e5a14ec41
Author: NeilBrown <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 16 13:31:28 2007 +0200
Committer: Jens Axboe <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 09:25:56 2007 +0200
Stop exporting blk_rq_bio_prep
blk_rq_bio_prep is exported for use in exactly
one place. That place can benefit from using
the new blk_rq_append_bio instead.
So
- change dm-emc to call blk_rq_append_bio
- stop exporting blk_rq_bio_prep, and
- initialise rq_disk in blk_rq_bio_prep,
as dm-emc needs it.
Signed-off-by: Neil Brown <[EMAIL PROTECTED]>
diff .prev/block/ll_rw_blk.c ./block/ll_rw_blk.c
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
---
block/ll_rw_blk.c | 11 +++++++----
drivers/md/dm-emc.c | 10 +---------
include/linux/blkdev.h | 1 -
3 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 2de9bad..eb27b33 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -43,6 +43,8 @@ static void init_request_from_bio(struct request *req, struct
bio *bio);
static int __make_request(struct request_queue *q, struct bio *bio);
static struct io_context *current_io_context(gfp_t gfp_flags, int node);
static void blk_recalc_rq_segments(struct request *rq);
+static void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
+ struct bio *bio);
/*
* For the allocated request tables
@@ -3665,8 +3667,8 @@ void end_request(struct request *req, int uptodate)
EXPORT_SYMBOL(end_request);
-void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
- struct bio *bio)
+static void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
+ struct bio *bio)
{
/* first two bits are identical in rq->cmd_flags and bio->bi_rw */
rq->cmd_flags |= (bio->bi_rw & 3);
@@ -3680,9 +3682,10 @@ void blk_rq_bio_prep(struct request_queue *q, struct
request *rq,
rq->data_len = bio->bi_size;
rq->bio = rq->biotail = bio;
-}
-EXPORT_SYMBOL(blk_rq_bio_prep);
+ if (bio->bi_bdev)
+ rq->rq_disk = bio->bi_bdev->bd_disk;
+}
int kblockd_schedule_work(struct work_struct *work)
{
diff --git a/drivers/md/dm-emc.c b/drivers/md/dm-emc.c
index 265c467..71cc858 100644
--- a/drivers/md/dm-emc.c
+++ b/drivers/md/dm-emc.c
@@ -109,15 +109,7 @@ static struct request *get_failover_req(struct emc_handler
*h,
return NULL;
}
- rq->bio = rq->biotail = bio;
- blk_rq_bio_prep(q, rq, bio);
-
- rq->rq_disk = bdev->bd_contains->bd_disk;
-
- /* bio backed don't set data */
- rq->buffer = rq->data = NULL;
- /* rq data_len used for pc cmd's request_bufflen */
- rq->data_len = bio->bi_size;
+ blk_rq_append_bio(q, rq, bio);
rq->sense = h->sense;
memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3021a5b..492ac94 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -823,7 +823,6 @@ static inline struct request *blk_map_queue_find_tag(struct
blk_queue_tag *bqt,
return bqt->tag_index[tag];
}
-extern void blk_rq_bio_prep(struct request_queue *, struct request *, struct
bio *);
extern int blkdev_issue_flush(struct block_device *, sector_t *);
#define MAX_PHYS_SEGMENTS 128
-
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