[PATCH 02/23] block: add a bvec_set_folio helper
From: Christoph Hellwig <hch@lst.de>
Date: 2023-02-03 15:07:33
Also in:
ceph-devel, io-uring, kvm, linux-cifs, linux-fsdevel, linux-mm, linux-nfs, linux-nvme, linux-scsi, netdev, target-devel, virtualization
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- include/linux/bvec.h | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 9e3dac51eb26b6..2bae1134499e7f 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h@@ -50,6 +50,19 @@ 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 */
--
2.39.0