From 06d2188644c85c56d243efab914f368d1d23c4a3 Mon Sep 17 00:00:00 2001 From: Jeff Moyer Date: Fri, 11 Sep 2009 17:08:59 +0200 Subject: [PATCH] cfq: choose a new next_req when a request is dispatched This patch addresses http://bugzilla.kernel.org/show_bug.cgi?id=13401, a regression introduced in 2.6.30. From the bug report: Signed-off-by: Jens Axboe --- block/cfq-iosched.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index a34686f091db..0e3814b662af 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1110,6 +1110,7 @@ static void cfq_dispatch_insert(struct request_queue *q, struct request *rq) cfq_log_cfqq(cfqd, cfqq, "dispatch_insert"); + cfqq->next_rq = cfq_find_next_rq(cfqd, cfqq, rq); cfq_remove_request(rq); cfqq->dispatched++; elv_dispatch_sort(q, rq); -- 2.20.1