diff options
Diffstat (limited to 'block/blk-merge.c')
| -rw-r--r-- | block/blk-merge.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index a62692d13566..711fa0fcd211 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -477,7 +477,7 @@ static int __blk_bios_map_sg(struct request_queue *q, struct bio *bio, struct scatterlist *sglist, struct scatterlist **sg) { - struct bio_vec uninitialized_var(bvec), bvprv = { NULL }; + struct bio_vec bvec, bvprv = { NULL }; struct bvec_iter iter; int nsegs = 0; bool new_bio = false; @@ -721,21 +721,6 @@ static void blk_account_io_merge(struct request *req) part_stat_unlock(); } } -/* - * Two cases of handling DISCARD merge: - * If max_discard_segments > 1, the driver takes every bio - * as a range and send them to controller together. The ranges - * needn't to be contiguous. - * Otherwise, the bios/requests will be handled as same as - * others which should be contiguous. - */ -static inline bool blk_discard_mergable(struct request *req) -{ - if (req_op(req) == REQ_OP_DISCARD && - queue_max_discard_segments(req->q) > 1) - return true; - return false; -} static enum elv_merge blk_try_req_merge(struct request *req, struct request *next) |