[PATCH 2/2] Freezer: Fix JFFS2 garbage collector freezing issue

["Rafael J. Wysocki" <rjw@xxxxxxx>]

From: Rafael J. Wysocki <rjw@xxxxxxx>

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@xxxxxxx>
Cc: Pete MacKay <armlinux@xxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
 fs/jffs2/background.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Index: linux-2.6/fs/jffs2/background.c
===================================================================
--- linux-2.6.orig/fs/jffs2/background.c
+++ linux-2.6/fs/jffs2/background.c
@@ -103,15 +103,17 @@ static int jffs2_garbage_collect_thread(
 		   get there first. */
 		yield();
 
+		/* If system suspend is in progress, go to the refrigerator and
+		   start again when the suspend is done */
+		if (try_to_freeze())
+			goto again;
+
 		/* Put_super will send a SIGKILL and then wait on the sem.
 		 */
 		while (signal_pending(current)) {
 			siginfo_t info;
 			unsigned long signr;
 
-			if (try_to_freeze())
-				goto again;
-
 			signr = dequeue_signal_lock(current, &current->blocked, &info);
 
 			switch(signr) {
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