From 666e6550cb74e3a7206b5699409c9f31e123887e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 3 Feb 2023 16:06:14 +0100 Subject: block: add a bvec_set_virt helper A small wrapper around bvec_set_page for callers that have a virtual address. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn Link: https://lore.kernel.org/r/20230203150634.3199647-4-hch@lst.de Signed-off-by: Jens Axboe --- include/linux/bvec.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/linux/bvec.h') diff --git a/include/linux/bvec.h b/include/linux/bvec.h index b9e64b91e92b..555aae5448ae 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -62,6 +62,18 @@ static inline void bvec_set_folio(struct bio_vec *bv, struct folio *folio, bvec_set_page(bv, &folio->page, len, offset); } +/** + * bvec_set_virt - initialize a bvec based on a virtual address + * @bv: bvec to initialize + * @vaddr: virtual address to set the bvec to + * @len: length of the bvec + */ +static inline void bvec_set_virt(struct bio_vec *bv, void *vaddr, + unsigned int len) +{ + bvec_set_page(bv, virt_to_page(vaddr), len, offset_in_page(vaddr)); +} + struct bvec_iter { sector_t bi_sector; /* device address in 512 byte sectors */ -- cgit