From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0783C7EE23 for ; Mon, 15 May 2023 17:24:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244137AbjEORYE (ORCPT ); Mon, 15 May 2023 13:24:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244015AbjEORX3 (ORCPT ); Mon, 15 May 2023 13:23:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACE2DAD3D for ; Mon, 15 May 2023 10:22:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3E71A6210B for ; Mon, 15 May 2023 17:22:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E835C433EF; Mon, 15 May 2023 17:22:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684171322; bh=tCaQOF97QMx69dvUcmVfsmM5B2VbVZOh0QYR8BKH0ig=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nzYptlIIn3JNrzSkQpSWxYArWcc5mLbVvIn/6+F7nt3f6g2v6iKRqVrbGXFZj7C7+ 9Mc5dgEeyI3uimL7BgzuHZ1mmWjP5xFDhJH95WX5pGqhlicHJhCL+4m2o04Jbq2ns4 PTqwcbkRnAOQVaD0kv5Q/WryuGh1kABpWmYJe6RE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Howells , Steve French Subject: [PATCH 6.2 142/242] cifs: release leases for deferred close handles when freezing Date: Mon, 15 May 2023 18:27:48 +0200 Message-Id: <20230515161726.162930746@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.802179972@linuxfoundation.org> References: <20230515161721.802179972@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Steve French commit d39fc592ef8ae9a89c5e85c8d9f760937a57d5ba upstream. We should not be caching closed files when freeze is invoked on an fs (so we can release resources more gracefully). Fixes xfstests generic/068 generic/390 generic/491 Reviewed-by: David Howells Cc: Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/cifsfs.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -758,6 +758,20 @@ static void cifs_umount_begin(struct sup return; } +static int cifs_freeze(struct super_block *sb) +{ + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); + struct cifs_tcon *tcon; + + if (cifs_sb == NULL) + return 0; + + tcon = cifs_sb_master_tcon(cifs_sb); + + cifs_close_all_deferred_files(tcon); + return 0; +} + #ifdef CONFIG_CIFS_STATS2 static int cifs_show_stats(struct seq_file *s, struct dentry *root) { @@ -796,6 +810,7 @@ static const struct super_operations cif as opens */ .show_options = cifs_show_options, .umount_begin = cifs_umount_begin, + .freeze_fs = cifs_freeze, #ifdef CONFIG_CIFS_STATS2 .show_stats = cifs_show_stats, #endif