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block: remove unused mp_bvec_last_segment

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After commit 85a8ce62c2 ("block: add bio_truncate to fix guard_bio_eod")
this function is unused, remove it.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2020-01-03 21:09:35 -07:00
parent c7d776f85d
commit 57415790f4
1 changed files with 0 additions and 22 deletions
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22
include/linux/bvec.h
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@ -153,26 +153,4 @@ static inline void bvec_advance(const struct bio_vec *bvec,
}
}
/*
* Get the last single-page segment from the multi-page bvec and store it
* in @seg
*/
static inline void mp_bvec_last_segment(const struct bio_vec *bvec,
struct bio_vec *seg)
{
unsigned total = bvec->bv_offset + bvec->bv_len;
unsigned last_page = (total - 1) / PAGE_SIZE;
seg->bv_page = bvec->bv_page + last_page;
/* the whole segment is inside the last page */
if (bvec->bv_offset >= last_page * PAGE_SIZE) {
seg->bv_offset = bvec->bv_offset % PAGE_SIZE;
seg->bv_len = bvec->bv_len;
} else {
seg->bv_offset = 0;
seg->bv_len = total - last_page * PAGE_SIZE;
}
}
#endif /* __LINUX_BVEC_ITER_H */