Commit 06d21886 authored by Jeff Moyer's avatar Jeff Moyer Committed by Jens Axboe
Browse files

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: default avatarJens Axboe <jens.axboe@oracle.com>
parent a9327cac

block/cfq-iosched.c

+1 −0
Original line number Diff line number Diff line
@@ -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);