Commit 06d21886 authored Sep 11, 2009 by Jeff Moyer Committed by Jens Axboe Sep 14, 2009

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 <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);