diff options
| -rw-r--r-- | block/blk-merge.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index bed065904677..066b66430523 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -363,13 +363,15 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q, struct bio_vec bv, bvprv = { NULL }; int prev = 0; unsigned int seg_size, nr_phys_segs; - unsigned front_seg_size = bio->bi_seg_front_size; + unsigned front_seg_size; struct bio *fbio, *bbio; struct bvec_iter iter; if (!bio) return 0; + front_seg_size = bio->bi_seg_front_size; + switch (bio_op(bio)) { case REQ_OP_DISCARD: case REQ_OP_SECURE_ERASE: |