Commit f695ca38 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: remove the request_queue argument from blk_queue_split 



The queue can be trivially derived from the bio, so pass one less
argument.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent ed9b3196

block/blk-merge.c

+10 −11
Original line number Diff line number Diff line
@@ -283,20 +283,20 @@ split: 


/**

 * __blk_queue_split - split a bio and submit the second half

 * @q:       [in] request queue pointer

 * @bio:     [in, out] bio to be split

 * @nr_segs: [out] number of segments in the first bio

 *

 * Split a bio into two bios, chain the two bios, submit the second half and

 * store a pointer to the first half in *@bio. If the second bio is still too

 * big it will be split by a recursive call to this function. Since this

 * function may allocate a new bio from @q->bio_split, it is the responsibility

 * of the caller to ensure that @q is only released after processing of the

 * function may allocate a new bio from @bio->bi_disk->queue->bio_split, it is

 * the responsibility of the caller to ensure that

 * @bio->bi_disk->queue->bio_split is only released after processing of the

 * split bio has finished.

 */

void __blk_queue_split(struct request_queue *q, struct bio **bio,

		unsigned int *nr_segs)

void __blk_queue_split(struct bio **bio, unsigned int *nr_segs)

{

	struct request_queue *q = (*bio)->bi_disk->queue;

	struct bio *split = NULL;



	switch (bio_op(*bio)) {
@@ -345,20 +345,19 @@ void __blk_queue_split(struct request_queue *q, struct bio **bio, 


/**

 * blk_queue_split - split a bio and submit the second half

 * @q:   [in] request queue pointer

 * @bio: [in, out] bio to be split

 *

 * Split a bio into two bios, chains the two bios, submit the second half and

 * store a pointer to the first half in *@bio. Since this function may allocate

 * a new bio from @q->bio_split, it is the responsibility of the caller to

 * ensure that @q is only released after processing of the split bio has

 * finished.

 * a new bio from @bio->bi_disk->queue->bio_split, it is the responsibility of

 * the caller to ensure that @bio->bi_disk->queue->bio_split is only released

 * after processing of the split bio has finished.

 */

void blk_queue_split(struct request_queue *q, struct bio **bio)

void blk_queue_split(struct bio **bio)

{

	unsigned int nr_segs;



	__blk_queue_split(q, bio, &nr_segs);

	__blk_queue_split(bio, &nr_segs);

}

EXPORT_SYMBOL(blk_queue_split);

block/blk-mq.c

+1 −1
Original line number Diff line number Diff line
@@ -2166,7 +2166,7 @@ blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) 
	blk_status_t ret;



	blk_queue_bounce(q, &bio);

	__blk_queue_split(q, &bio, &nr_segs);

	__blk_queue_split(&bio, &nr_segs);



	if (!bio_integrity_prep(bio))

		goto queue_exit;

block/blk.h

+1 −2
Original line number Diff line number Diff line
@@ -220,8 +220,7 @@ ssize_t part_timeout_show(struct device *, struct device_attribute *, char *); 
ssize_t part_timeout_store(struct device *, struct device_attribute *,

				const char *, size_t);



void __blk_queue_split(struct request_queue *q, struct bio **bio,

		unsigned int *nr_segs);

void __blk_queue_split(struct bio **bio, unsigned int *nr_segs);

int ll_back_merge_fn(struct request *req, struct bio *bio,

		unsigned int nr_segs);

int ll_front_merge_fn(struct request *req,  struct bio *bio,

drivers/block/drbd/drbd_req.c

+1 −1
Original line number Diff line number Diff line
@@ -1598,7 +1598,7 @@ blk_qc_t drbd_make_request(struct request_queue *q, struct bio *bio) 
	struct drbd_device *device = bio->bi_disk->private_data;

	unsigned long start_jif;



	blk_queue_split(q, &bio);

	blk_queue_split(&bio);



	start_jif = jiffies;

drivers/block/pktcdvd.c

+1 −1
Original line number Diff line number Diff line
@@ -2434,7 +2434,7 @@ static blk_qc_t pkt_make_request(struct request_queue *q, struct bio *bio) 
	char b[BDEVNAME_SIZE];

	struct bio *split;



	blk_queue_split(q, &bio);

	blk_queue_split(&bio);



	pd = q->queuedata;

	if (!pd) {

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