diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-01-21 07:49:58 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-02-15 19:38:50 +0100 |
| commit | fd8f8ede239bc0531aca65f408ecf44d6755c558 (patch) | |
| tree | 9d4b69224df1342f9509c7634341f00e98805541 /include/linux/bio.h | |
| parent | c9a43aaf0971660e388b794feb0db4649746390a (diff) | |
block: export bio_split_rw
bio_split_rw can be used by file systems to split and incoming write
bio into multiple bios fitting the hardware limit for use as ZONE_APPEND
bios. Export it for initial use in btrfs.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index c1da63f6c808..d766be7152e1 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -12,6 +12,8 @@ #define BIO_MAX_VECS 256U +struct queue_limits; + static inline unsigned int bio_max_segs(unsigned int nr_segs) { return min(nr_segs, BIO_MAX_VECS); @@ -375,6 +377,8 @@ static inline void bip_set_seed(struct bio_integrity_payload *bip, void bio_trim(struct bio *bio, sector_t offset, sector_t size); extern struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs); +struct bio *bio_split_rw(struct bio *bio, const struct queue_limits *lim, + unsigned *segs, struct bio_set *bs, unsigned max_bytes); /** * bio_next_split - get next @sectors from a bio, splitting if necessary |