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 /block/blk-merge.c | |
| parent | btrfs: raid56: reduce overhead to calculate the bio length (diff) | |
| download | linux-fd8f8ede239bc0531aca65f408ecf44d6755c558.tar.xz linux-fd8f8ede239bc0531aca65f408ecf44d6755c558.zip | |
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 'block/blk-merge.c')
| -rw-r--r-- | block/blk-merge.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index b7c193d67185..64bf7d9dd8e8 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -276,7 +276,7 @@ static bool bvec_split_segs(const struct queue_limits *lim, * responsible for ensuring that @bs is only destroyed after processing of the * split bio has finished. */ -static struct bio *bio_split_rw(struct bio *bio, const struct queue_limits *lim, +struct bio *bio_split_rw(struct bio *bio, const struct queue_limits *lim, unsigned *segs, struct bio_set *bs, unsigned max_bytes) { struct bio_vec bv, bvprv, *bvprvp = NULL; @@ -336,6 +336,7 @@ split: bio_clear_polled(bio); return bio_split(bio, bytes >> SECTOR_SHIFT, GFP_NOIO, bs); } +EXPORT_SYMBOL_GPL(bio_split_rw); /** * __bio_split_to_limits - split a bio to fit the queue limits |