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[209.132.180.67]) by mx.google.com with ESMTP id 88-v6si2952592ple.76.2018.02.05.08.46.01; Mon, 05 Feb 2018 08:46:16 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@meituan.com header.s=20130113 header.b=kLFi5zzn; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=meituan.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753248AbeBEQod (ORCPT + 99 others); Mon, 5 Feb 2018 11:44:33 -0500 Received: from mx-fe5-210.meituan.com ([103.37.138.210]:60777 "EHLO mx02.meituan.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753099AbeBEQoY (ORCPT ); Mon, 5 Feb 2018 11:44:24 -0500 X-Greylist: delayed 1078 seconds by postgrey-1.27 at vger.kernel.org; Mon, 05 Feb 2018 11:44:24 EST Received: from localhost (localhost [127.0.0.1]) by dx-it-mx02.dx.sankuai.com (Postfix) with ESMTP id 7CD36298038E; Tue, 6 Feb 2018 00:44:16 +0800 (CST) Authentication-Results: dx-it-mx02.dx.sankuai.com (amavisd-new); dkim=pass (1024-bit key) header.d=meituan.com Received: from mx02.meituan.com ([127.0.0.1]) by localhost (dx-it-mx02.dx.sankuai.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id UudCoCOfwQmm; Tue, 6 Feb 2018 00:44:16 +0800 (CST) Received: from localhost (localhost [127.0.0.1]) by dx-it-mx02.dx.sankuai.com (Postfix) with ESMTP id 4B6FA298038D; Tue, 6 Feb 2018 00:44:16 +0800 (CST) DKIM-Filter: OpenDKIM Filter v2.9.2 dx-it-mx02.dx.sankuai.com 4B6FA298038D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meituan.com; s=20130113; t=1517849056; bh=dJxsWooU76rfCddl9gFAhFK3QKAOBMIV2mPfC/z9sRE=; h=From:To:Subject:Date:Message-Id; b=kLFi5zznFTip/LiYNgcROclpAkcpzTYktbNMi9CnSVS/msxJfoJjEpgdqp99zKJYy +6ZW8wPIJCeJ1bMwpHtGSlyCVV3CYNlXa5mX0CrxJZTvTkPCRowBDDW+m9moVsBnXX eKNalRaAc8QDzbYiOdSZNJGa8VWp96bp8Sl5ADRQ= X-Virus-Scanned: amavisd-new at dx-it-mx02.dx.sankuai.com Received: from mx02.meituan.com ([127.0.0.1]) by localhost (dx-it-mx02.dx.sankuai.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id UJJGUngxbUPH; Tue, 6 Feb 2018 00:44:16 +0800 (CST) Received: from localhost.localdomain.localdomain (unknown [114.245.93.137]) by dx-it-mx02.dx.sankuai.com (Postfix) with ESMTPA id 770022980390; Tue, 6 Feb 2018 00:44:09 +0800 (CST) From: Wang Long To: tytso@mit.edu, jack@suse.com Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, wanglong19@meituan.com Subject: [PATCH] jbd2: set to NULL after kmem_cache_destroy Date: Mon, 5 Feb 2018 21:39:17 +0800 Message-Id: <1517837957-1636-1-git-send-email-wanglong19@meituan.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Wang Long --- fs/jbd2/journal.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 93016bb..38dc24c 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -2649,11 +2649,14 @@ static int __init jbd2_journal_init_handle_cache(void) static void jbd2_journal_destroy_handle_cache(void) { - if (jbd2_handle_cache) + if (jbd2_handle_cache) { kmem_cache_destroy(jbd2_handle_cache); - if (jbd2_inode_cache) + jbd2_handle_cache = NULL; + } + if (jbd2_inode_cache) { kmem_cache_destroy(jbd2_inode_cache); - + jbd2_inode_cache = NULL; + } } /* -- 1.8.3.1