From: Oleg Nesterov <oleg@redhat.com>
Date: Thu, 11 Jun 2009 12:12:55 +0000 (+0100)
Subject: slow_work_thread() should do the exclusive wait
X-Git-Tag: v2.6.31-rc1~387
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b415c49a864dab8ee90713833d642dd461eccae9;p=pandora-kernel.git

slow_work_thread() should do the exclusive wait

slow_work_thread() sleeps on slow_work_thread_wq without WQ_FLAG_EXCLUSIVE,
this means that slow_work_enqueue()->__wake_up(nr_exclusive => 1) wakes up all
kslowd threads.  This is not what we want, so we change slow_work_thread() to
use prepare_to_wait_exclusive() instead.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed