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bcache: remove bch_crc64_update 

bch_crc64_update is an entirely pointless wrapper around crc64_be.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20211020143812.6403-9-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-10-20 22:38:12 +08:00 committed by Jens Axboe
parent 00387bd21d
commit 39fa7a9555
3 changed files with 2 additions and 10 deletions
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2
drivers/md/bcache/btree.c
View File

@ -141,7 +141,7 @@ static uint64_t btree_csum_set(struct btree *b, struct bset *i)
uint64_t crc = b->key.ptr[0];
void *data = (void *) i + 8, *end = bset_bkey_last(i);
crc = bch_crc64_update(crc, data, end - data);
crc = crc64_be(crc, data, end - data);
return crc ^ 0xffffffffffffffffULL;
}

2
drivers/md/bcache/request.c
View File

@ -46,7 +46,7 @@ static void bio_csum(struct bio *bio, struct bkey *k)
bio_for_each_segment(bv, bio, iter) {
void *d = kmap(bv.bv_page) + bv.bv_offset;
csum = bch_crc64_update(csum, d, bv.bv_len);
csum = crc64_be(csum, d, bv.bv_len);
kunmap(bv.bv_page);
}

8
drivers/md/bcache/util.h
View File

@ -548,14 +548,6 @@ static inline uint64_t bch_crc64(const void *p, size_t len)
return crc ^ 0xffffffffffffffffULL;
}
static inline uint64_t bch_crc64_update(uint64_t crc,
const void *p,
size_t len)
{
crc = crc64_be(crc, p, len);
return crc;
}
/*
* A stepwise-linear pseudo-exponential. This returns 1 << (x >>
* frac_bits), with the less-significant bits filled in by linear