From 649f070e69739d22c57c22dbce0788b72cd93fac Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sun, 13 Aug 2023 14:26:36 -0400 Subject: [PATCH] block: Bring back zero_fill_bio_iter This reverts 6f822e1b5d9dda3d20e87365de138046e3baa03a - this helper is used by bcachefs. Signed-off-by: Kent Overstreet Cc: Jens Axboe Cc: linux-block@vger.kernel.org Link: https://lore.kernel.org/r/20230813182636.2966159-4-kent.overstreet@linux.dev Signed-off-by: Jens Axboe --- block/bio.c | 6 +++--- include/linux/bio.h | 7 ++++++- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/block/bio.c b/block/bio.c index be484d87142b..816d412c06e9 100644 --- a/block/bio.c +++ b/block/bio.c @@ -606,15 +606,15 @@ struct bio *bio_kmalloc(unsigned short nr_vecs, gfp_t gfp_mask) } EXPORT_SYMBOL(bio_kmalloc); -void zero_fill_bio(struct bio *bio) +void zero_fill_bio_iter(struct bio *bio, struct bvec_iter start) { struct bio_vec bv; struct bvec_iter iter; - bio_for_each_segment(bv, bio, iter) + __bio_for_each_segment(bv, bio, iter, start) memzero_bvec(&bv); } -EXPORT_SYMBOL(zero_fill_bio); +EXPORT_SYMBOL(zero_fill_bio_iter); /** * bio_truncate - truncate the bio to small size of @new_size diff --git a/include/linux/bio.h b/include/linux/bio.h index c4f5b5228105..8b99210eb7fb 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -488,7 +488,12 @@ extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter, extern void bio_copy_data(struct bio *dst, struct bio *src); extern void bio_free_pages(struct bio *bio); void guard_bio_eod(struct bio *bio); -void zero_fill_bio(struct bio *bio); +void zero_fill_bio_iter(struct bio *bio, struct bvec_iter iter); + +static inline void zero_fill_bio(struct bio *bio) +{ + zero_fill_bio_iter(bio, bio->bi_iter); +} static inline void bio_release_pages(struct bio *bio, bool mark_dirty) {