diff options
| -rw-r--r-- | block/bio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/bio.c b/block/bio.c index 81d90b839e05..c254e5aa331f 100644 --- a/block/bio.c +++ b/block/bio.c @@ -731,7 +731,9 @@ int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page } /* If we may be able to merge these biovecs, force a recount */ - if (bio->bi_vcnt > 1 && biovec_phys_mergeable(bvec-1, bvec)) + if (bio->bi_vcnt > 1 && + biovec_phys_mergeable(bvec - 1, bvec) && + BIOVEC_SEG_BOUNDARY(q, bvec - 1, bvec)) bio_clear_flag(bio, BIO_SEG_VALID); done: |