diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 00763e51022..7ffceddee42 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -667,15 +667,11 @@ cfq_choose_req(struct cfq_data *cfqd, struct request *rq1, struct request *rq2, if (rq2 == NULL) return rq1; - if (rq_is_sync(rq1) && !rq_is_sync(rq2)) - return rq1; - else if (rq_is_sync(rq2) && !rq_is_sync(rq1)) - return rq2; - if ((rq1->cmd_flags & REQ_META) && !(rq2->cmd_flags & REQ_META)) - return rq1; - else if ((rq2->cmd_flags & REQ_META) && - !(rq1->cmd_flags & REQ_META)) - return rq2; + if (rq_is_sync(rq1) != rq_is_sync(rq2)) + return rq_is_sync(rq1) ? rq1 : rq2; + + if ((rq1->cmd_flags ^ rq2->cmd_flags) & REQ_META) + return rq1->cmd_flags & REQ_META ? rq1 : rq2; s1 = blk_rq_pos(rq1); s2 = blk_rq_pos(rq2); |