From: Romit Dasgupta <romit@ti.com>
To: jens.axboe@oracle.com, rjw@sisk.pl, pavel@ucw.cz
Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-pm@lists.linux-foundation.org
Subject: [PATCH 1/1]: Thaws refrigerated bdi flusher threads before invoking kthread_stop on them
Date: Wed, 11 Nov 2009 14:00:16 +0530 [thread overview]
Message-ID: <1257928216.15415.57.camel@boson> (raw)
Kicks out frozen bdi flusher task out of the refrigerator when the flusher task
needs to exit.
Signed-off-by: Romit Dasgupta <romit@ti.com>
---
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 5a37e20..c757b05 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -606,8 +606,11 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi)
* Finally, kill the kernel threads. We don't need to be RCU
* safe anymore, since the bdi is gone from visibility.
*/
- list_for_each_entry(wb, &bdi->wb_list, list)
+ list_for_each_entry(wb, &bdi->wb_list, list) {
+ if (unlikely(frozen(wb->task)))
+ wb->task->flags &= ~PF_FROZEN;
kthread_stop(wb->task);
+ }
}
void bdi_unregister(struct backing_dev_info *bdi)
next reply other threads:[~2009-11-11 8:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-11 8:30 Romit Dasgupta [this message]
2009-11-11 10:34 ` [PATCH 1/1]: Thaws refrigerated bdi flusher threads before invoking kthread_stop on them Pavel Machek
2009-11-11 11:30 ` Rafael J. Wysocki
2009-11-11 11:50 ` Romit Dasgupta
2009-11-11 11:59 ` Rafael J. Wysocki
2009-11-11 19:37 ` Jens Axboe
2009-11-11 20:41 ` Rafael J. Wysocki
2009-11-12 11:52 ` Romit Dasgupta
2009-11-12 12:05 ` Jens Axboe
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