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bcachefs: kill bio_for_each_contig_segment()

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With multipage bvecs it's not needed anymore

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2019-07-04 03:48:25 -04:00 committed by Kent Overstreet
parent 885678f68d
commit 0fd7263e2e
3 changed files with 3 additions and 32 deletions
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4
fs/bcachefs/checksum.c
View file

@ -200,7 +200,7 @@ static struct bch_csum __bch2_checksum_bio(struct bch_fs *c, unsigned type,
kunmap_atomic(p);
}
#else
__bio_for_each_contig_segment(bv, bio, *iter, *iter)
__bio_for_each_bvec(bv, bio, *iter, *iter)
crc = bch2_checksum_update(type, crc,
page_address(bv.bv_page) + bv.bv_offset,
bv.bv_len);
@ -225,7 +225,7 @@ static struct bch_csum __bch2_checksum_bio(struct bch_fs *c, unsigned type,
kunmap_atomic(p);
}
#else
__bio_for_each_contig_segment(bv, bio, *iter, *iter)
__bio_for_each_bvec(bv, bio, *iter, *iter)
crypto_shash_update(desc,
page_address(bv.bv_page) + bv.bv_offset,
bv.bv_len);

2
fs/bcachefs/compress.c
View file

@ -66,7 +66,7 @@ static struct bbuf __bio_map_or_bounce(struct bch_fs *c, struct bio *bio,
BUG_ON(bvec_iter_sectors(start) > c->sb.encoded_extent_max);
#ifndef CONFIG_HIGHMEM
__bio_for_each_contig_segment(bv, bio, iter, start) {
__bio_for_each_bvec(bv, bio, iter, start) {
if (bv.bv_len == start.bi_size)
return (struct bbuf) {
.b = page_address(bv.bv_page) + bv.bv_offset,

29
fs/bcachefs/util.h
View file

@ -630,35 +630,6 @@ static inline void memmove_u64s(void *dst, const void *src,
__memmove_u64s_up(dst, src, u64s);
}
static inline struct bio_vec next_contig_bvec(struct bio *bio,
struct bvec_iter *iter)
{
struct bio_vec bv = bio_iter_iovec(bio, *iter);
bio_advance_iter(bio, iter, bv.bv_len);
#ifndef CONFIG_HIGHMEM
while (iter->bi_size) {
struct bio_vec next = bio_iter_iovec(bio, *iter);
if (page_address(bv.bv_page) + bv.bv_offset + bv.bv_len !=
page_address(next.bv_page) + next.bv_offset)
break;
bv.bv_len += next.bv_len;
bio_advance_iter(bio, iter, next.bv_len);
}
#endif
return bv;
}
#define __bio_for_each_contig_segment(bv, bio, iter, start) \
for (iter = (start); \
(iter).bi_size && \
((bv = next_contig_bvec((bio), &(iter))), 1);)
#define bio_for_each_contig_segment(bv, bio, iter) \
__bio_for_each_contig_segment(bv, bio, iter, (bio)->bi_iter)
void sort_cmp_size(void *base, size_t num, size_t size,
int (*cmp_func)(const void *, const void *, size_t),
void (*swap_func)(void *, void *, size_t));