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block: move blk_steal_bios to blk-mq.c

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Keep all the request based code together.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20211117061404.331732-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-11-17 07:14:00 +01:00 committed by Jens Axboe
parent 52fdbbcc83
commit f2b8f3ce98
2 changed files with 21 additions and 21 deletions
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21
block/blk-core.c
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@ -1167,27 +1167,6 @@ void disk_end_io_acct(struct gendisk *disk, unsigned int op,
}
EXPORT_SYMBOL(disk_end_io_acct);
/*
* Steal bios from a request and add them to a bio list.
* The request must not have been partially completed before.
*/
void blk_steal_bios(struct bio_list *list, struct request *rq)
{
if (rq->bio) {
if (list->tail)
list->tail->bi_next = rq->bio;
else
list->head = rq->bio;
list->tail = rq->biotail;
rq->bio = NULL;
rq->biotail = NULL;
}
rq->__data_len = 0;
}
EXPORT_SYMBOL_GPL(blk_steal_bios);
/**
* blk_lld_busy - Check if underlying low-level drivers of a device are busy
* @q : the queue of the device being checked

21
block/blk-mq.c
View File

@ -3014,6 +3014,27 @@ free_and_out:
}
EXPORT_SYMBOL_GPL(blk_rq_prep_clone);
/*
* Steal bios from a request and add them to a bio list.
* The request must not have been partially completed before.
*/
void blk_steal_bios(struct bio_list *list, struct request *rq)
{
if (rq->bio) {
if (list->tail)
list->tail->bi_next = rq->bio;
else
list->head = rq->bio;
list->tail = rq->biotail;
rq->bio = NULL;
rq->biotail = NULL;
}
rq->__data_len = 0;
}
EXPORT_SYMBOL_GPL(blk_steal_bios);
static size_t order_to_size(unsigned int order)
{
return (size_t)PAGE_SIZE << order;