blk: Fix bio_io_vec index when checking bvec gaps

Corrects a coding error from earlier patch.

Reported by: Sagi Grimberg <sagig@dev.mellanox.co.il>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Fixes: 03100aada9 ("block: Replace SG_GAPS with new queue limits mask")
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Keith Busch 2015-09-01 10:46:44 -06:00 committed by Jens Axboe
parent 03100aada9
commit 2ca495ac27

View File

@ -488,7 +488,7 @@ static int req_gap_to_prev(struct request *req, struct bio *next)
struct bio *prev = req->biotail;
return bvec_gap_to_prev(req->q, &prev->bi_io_vec[prev->bi_vcnt - 1],
next->bi_io_vec[1].bv_offset);
next->bi_io_vec[0].bv_offset);
}
static int ll_merge_requests_fn(struct request_queue *q, struct request *req,