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| author | Jeff Moyer <jmoyer@redhat.com> | 2009-09-11 17:08:59 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-09-14 08:24:52 +0200 |
| commit | 06d2188644c85c56d243efab914f368d1d23c4a3 (patch) | |
| tree | 5ee4a4c5b6343a33573fac6a3a66015238e5b1d6 /block | |
| parent | a9327cac440be4d8333bba975cbbf76045096275 (diff) | |
| download | linux-06d2188644c85c56d243efab914f368d1d23c4a3.tar.gz linux-06d2188644c85c56d243efab914f368d1d23c4a3.tar.bz2 linux-06d2188644c85c56d243efab914f368d1d23c4a3.zip | |
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 1 |
1 files changed, 1 insertions, 0 deletions
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); |