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| author | Christoph Hellwig <hch@lst.de> | 2023-02-03 16:06:13 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-02-03 08:20:55 -0700 |
| commit | 26db5ee158510108c819aa7be6eb8c75accf85d7 (patch) | |
| tree | 0f645f5eecad412ea2e26aa63d8b6a8bc18d56ee | |
| parent | d58cdfae6a22e5079656c487aad669597a0635c8 (diff) | |
| download | lwn-26db5ee158510108c819aa7be6eb8c75accf85d7.tar.gz lwn-26db5ee158510108c819aa7be6eb8c75accf85d7.zip | |
block: add a bvec_set_folio helper
A smaller wrapper around bvec_set_page that takes a folio instead.
There are only two potential users for this in the tree, but the number
will grow in the future.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20230203150634.3199647-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | include/linux/bvec.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h index a7b7c016b9a3..b9e64b91e92b 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -49,6 +49,19 @@ static inline void bvec_set_page(struct bio_vec *bv, struct page *page, bv->bv_offset = offset; } +/** + * bvec_set_folio - initialize a bvec based off a struct folio + * @bv: bvec to initialize + * @folio: folio the bvec should point to + * @len: length of the bvec + * @offset: offset into the folio + */ +static inline void bvec_set_folio(struct bio_vec *bv, struct folio *folio, + unsigned int len, unsigned int offset) +{ + bvec_set_page(bv, &folio->page, len, offset); +} + struct bvec_iter { sector_t bi_sector; /* device address in 512 byte sectors */ |