diff options
Diffstat (limited to 'drivers/md/bcache/io.c')
| -rw-r--r-- | drivers/md/bcache/io.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index cc4ba2da5fb6..dc44f0689eb7 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -22,11 +22,12 @@ static void bch_bi_idx_hack_endio(struct bio *bio, int error) static void bch_generic_make_request_hack(struct bio *bio) { if (bio->bi_iter.bi_idx) { + int i; + struct bio_vec *bv; struct bio *clone = bio_alloc(GFP_NOIO, bio_segments(bio)); - memcpy(clone->bi_io_vec, - bio_iovec(bio), - bio_segments(bio) * sizeof(struct bio_vec)); + bio_for_each_segment(bv, bio, i) + clone->bi_io_vec[clone->bi_vcnt++] = *bv; clone->bi_iter.bi_sector = bio->bi_iter.bi_sector; clone->bi_bdev = bio->bi_bdev; @@ -97,7 +98,7 @@ struct bio *bch_bio_split(struct bio *bio, int sectors, if (!ret) return NULL; - memcpy(ret->bi_io_vec, bio_iovec(bio), + memcpy(ret->bi_io_vec, __bio_iovec(bio), sizeof(struct bio_vec) * vcnt); break; @@ -106,7 +107,7 @@ struct bio *bch_bio_split(struct bio *bio, int sectors, if (!ret) return NULL; - memcpy(ret->bi_io_vec, bio_iovec(bio), + memcpy(ret->bi_io_vec, __bio_iovec(bio), sizeof(struct bio_vec) * vcnt); ret->bi_io_vec[vcnt - 1].bv_len = nbytes; @@ -182,7 +183,7 @@ static unsigned bch_bio_max_sectors(struct bio *bio) ret = min(ret, queue_max_sectors(q)); WARN_ON(!ret); - ret = max_t(int, ret, bio_iovec(bio)->bv_len >> 9); + ret = max_t(int, ret, bio_iovec(bio).bv_len >> 9); return ret; } |