From d58cdfae6a22e5079656c487aad669597a0635c8 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 3 Feb 2023 16:06:12 +0100 Subject: block: factor out a bvec_set_page helper Add a helper to initialize a bvec based of a page pointer. This will help removing various open code bvec initializations. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn Link: https://lore.kernel.org/r/20230203150634.3199647-2-hch@lst.de Signed-off-by: Jens Axboe --- include/linux/bvec.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include/linux/bvec.h') diff --git a/include/linux/bvec.h b/include/linux/bvec.h index 7939b345ee7f..a7b7c016b9a3 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -34,6 +34,21 @@ struct bio_vec { unsigned int bv_offset; }; +/** + * bvec_set_page - initialize a bvec based off a struct page + * @bv: bvec to initialize + * @page: page the bvec should point to + * @len: length of the bvec + * @offset: offset into the page + */ +static inline void bvec_set_page(struct bio_vec *bv, struct page *page, + unsigned int len, unsigned int offset) +{ + bv->bv_page = page; + bv->bv_len = len; + bv->bv_offset = offset; +} + struct bvec_iter { sector_t bi_sector; /* device address in 512 byte sectors */ -- cgit v1.2.3