Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2389d1ef172fc9df01f58265a436919d233fbc27
Commit: 2389d1ef172fc9df01f58265a436919d233fbc27
Parent: dbeeb816e805091e7cfc03baf36dc40b4adb2bbd
Author: Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Mon Nov 5 08:58:05 2007 +0100
Committer: Jens Axboe <[EMAIL PROTECTED]>
CommitDate: Wed Nov 7 09:45:00 2007 +0100
cfq: fix IOPRIO_CLASS_IDLE accounting
Spotted by Nick <[EMAIL PROTECTED]>, hopefully can explain the second trace
in
http://bugzilla.kernel.org/show_bug.cgi?id=9180.
If ->async_idle_cfqq != NULL cfq_put_async_queues() puts it IOPRIO_BE_NR
times
in a loop. Fix this.
Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
---
block/cfq-iosched.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index e47a930..61a3f22 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2068,9 +2068,10 @@ static void cfq_put_async_queues(struct cfq_data *cfqd)
cfq_put_queue(cfqd->async_cfqq[0][i]);
if (cfqd->async_cfqq[1][i])
cfq_put_queue(cfqd->async_cfqq[1][i]);
- if (cfqd->async_idle_cfqq)
- cfq_put_queue(cfqd->async_idle_cfqq);
}
+
+ if (cfqd->async_idle_cfqq)
+ cfq_put_queue(cfqd->async_idle_cfqq);
}
static void cfq_exit_queue(elevator_t *e)
-
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