From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukas Czerner Subject: [PATCH] ext4: Fix lazyinit hang after removing request Date: Fri, 29 Oct 2010 15:20:20 +0200 Message-ID: <1288358420-11643-1-git-send-email-lczerner@redhat.com> Cc: linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org, sandeen@redhat.com, adilger@dilger.ca, lczerner@redhat.com To: tytso@mit.edu Return-path: Received: from mx1.redhat.com ([209.132.183.28]:7749 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756580Ab0J2NU1 (ORCPT ); Fri, 29 Oct 2010 09:20:27 -0400 Sender: linux-ext4-owner@vger.kernel.org List-ID: When the request has been removed from the list and no other request has been issued, we will end up with next wakeup scheduled to MAX_JIFFY_OFFSET which is bad. So check for that. Signed-off-by: Lukas Czerner --- fs/ext4/super.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0348ce0..29c3078 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2740,7 +2740,8 @@ cont_thread: if (freezing(current)) refrigerator(); - if (time_after_eq(jiffies, next_wakeup)) { + if ((time_after_eq(jiffies, next_wakeup)) || + (MAX_JIFFY_OFFSET == next_wakeup)) { cond_resched(); continue; } -- 1.7.2.3