Commit 57415790 authored by Jens Axboe's avatar Jens Axboe
Browse files

block: remove unused mp_bvec_last_segment 



After commit 85a8ce62 ("block: add bio_truncate to fix guard_bio_eod")
this function is unused, remove it.

Reviewed-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent c7d776f8

include/linux/bvec.h

+0 −22
Original line number Diff line number Diff line
@@ -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 */

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