linux-kernel - [PATCH] Freezer: Fix JFFS2 garbage collector freezing issue (rev. 2)

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Message-Id: <200712040111.10494.rjw@sisk.pl>
Date:	Tue, 4 Dec 2007 01:11:09 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Len Brown <lenb@...nel.org>, David Woodhouse <dwmw2@...radead.org>,
	Pete MacKay <armlinux@...hitechnical.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] Freezer: Fix JFFS2 garbage collector freezing issue (rev. 2)

[This is a replacement for
freezer-fix-jffs2-garbage-collector-freezing-issue.patch]
---
From: Rafael J. Wysocki <rjw@...k.pl>

Fix breakage caused by commit d5d8c5976d6adeddb8208c240460411e2198b393
"freezer: do not send signals to kernel threads" in
jffs2_garbage_collect_thread() that assumed it would be sent signals
by the freezer.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
Cc: David Woodhouse <dwmw2@...radead.org>
Cc: Pete MacKay <armlinux@...hitechnical.net>
---
 fs/jffs2/background.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/fs/jffs2/background.c
===================================================================
--- linux-2.6.orig/fs/jffs2/background.c
+++ linux-2.6/fs/jffs2/background.c
@@ -105,7 +105,7 @@ static int jffs2_garbage_collect_thread(
 
 		/* Put_super will send a SIGKILL and then wait on the sem.
 		 */
-		while (signal_pending(current)) {
+		while (signal_pending(current) || freezing(current)) {
 			siginfo_t info;
 			unsigned long signr;
 
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