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block: remove zero_fill_bio_iter

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zero_fill_bio_iter is only used to implement zero_fill_bio, so
remove the indirection.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210412134658.2623190-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-04-12 15:46:57 +02:00 • committed by Jens Axboe
parent 907d523100
commit 6f822e1b5d
2 changed files with 4 additions and 9 deletions
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6
block/bio.c
View file

@ -493,20 +493,20 @@ struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned short nr_iovecs)
} }
EXPORT_SYMBOL(bio_kmalloc); EXPORT_SYMBOL(bio_kmalloc);
void zero_fill_bio_iter(struct bio *bio, struct bvec_iter start) void zero_fill_bio(struct bio *bio)
{ {
unsigned long flags; unsigned long flags;
struct bio_vec bv; struct bio_vec bv;
struct bvec_iter iter; struct bvec_iter iter;
__bio_for_each_segment(bv, bio, iter, start) { bio_for_each_segment(bv, bio, iter) {
char *data = bvec_kmap_irq(&bv, &flags); char *data = bvec_kmap_irq(&bv, &flags);
memset(data, 0, bv.bv_len); memset(data, 0, bv.bv_len);
flush_dcache_page(bv.bv_page); flush_dcache_page(bv.bv_page);
bvec_kunmap_irq(data, &flags); bvec_kunmap_irq(data, &flags);
} }
} }
EXPORT_SYMBOL(zero_fill_bio_iter); EXPORT_SYMBOL(zero_fill_bio);
/** /**
* bio_truncate - truncate the bio to small size of @new_size * bio_truncate - truncate the bio to small size of @new_size

7
include/linux/bio.h
View file

@ -485,14 +485,9 @@ 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_copy_data(struct bio *dst, struct bio *src);
extern void bio_list_copy_data(struct bio *dst, struct bio *src); extern void bio_list_copy_data(struct bio *dst, struct bio *src);
extern void bio_free_pages(struct bio *bio); extern void bio_free_pages(struct bio *bio);
void zero_fill_bio_iter(struct bio *bio, struct bvec_iter iter);
void bio_truncate(struct bio *bio, unsigned new_size); void bio_truncate(struct bio *bio, unsigned new_size);
void guard_bio_eod(struct bio *bio); void guard_bio_eod(struct bio *bio);
void zero_fill_bio(struct bio *bio);
static inline void zero_fill_bio(struct bio *bio)
{
zero_fill_bio_iter(bio, bio->bi_iter);
}
extern const char *bio_devname(struct bio *bio, char *buffer); extern const char *bio_devname(struct bio *bio, char *buffer);