From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 5 Oct 2011 00:43:10 +0000 (+1100)
Subject: mm-add-comment-explaining-task-state-setting-in-bdi_forker_thread-fix
X-Git-Tag: next-20111007~1^2~154
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cd599c73b61e099fcedf931d90b51496f0d3f1d9;p=karo-tx-linux.git

mm-add-comment-explaining-task-state-setting-in-bdi_forker_thread-fix

fiddle wording

Cc: Jan Kara <jack@suse.cz>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 5dcaa3c756d1..6400803f3ae3 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -406,9 +406,8 @@ static int bdi_forker_thread(void *ptr)
 		/*
 		 * In the following loop we are going to check whether we have
 		 * some work to do without any synchronization with tasks
-		 * waking us up to do work for them. So we have to set task
-		 * state already here so that we don't miss wakeups coming
-		 * after we verify some condition.
+		 * waking us up to do work for them. Set the task state here
+		 * so that we don't miss wakeups after verifying conditions.
 		 */
 		set_current_state(TASK_INTERRUPTIBLE);