From patchwork Sat Feb 5 17:46:37 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aneesh Kumar K.V" X-Patchwork-Id: 534041 X-Patchwork-Delegate: ericvh@gmail.com Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p15Hlbv5021294 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 5 Feb 2011 17:47:57 GMT Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.74) (envelope-from ) id 1PlmEC-00057H-4Z; Sat, 05 Feb 2011 17:47:20 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.74) (envelope-from ) id 1PlmEA-000576-Jw for v9fs-developer@lists.sourceforge.net; Sat, 05 Feb 2011 17:47:18 +0000 X-ACL-Warn: Received: from e28smtp08.in.ibm.com ([122.248.162.8]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.74) id 1PlmE9-0000Qu-BU for v9fs-developer@lists.sourceforge.net; Sat, 05 Feb 2011 17:47:18 +0000 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by e28smtp08.in.ibm.com (8.14.4/8.13.1) with ESMTP id p15GsdGj016262 for ; Sat, 5 Feb 2011 22:24:39 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p15Hl9H23764350 for ; Sat, 5 Feb 2011 23:17:09 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p15Hl9l2015098 for ; Sun, 6 Feb 2011 04:47:09 +1100 Received: from skywalker.ibm.com ([9.124.88.193]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p15HknSa014456; Sun, 6 Feb 2011 04:47:07 +1100 From: "Aneesh Kumar K.V" To: v9fs-developer@lists.sourceforge.net Date: Sat, 5 Feb 2011 23:16:37 +0530 Message-Id: <1296928005-9529-10-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1296928005-9529-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1296928005-9529-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Spam-Score: -0.0 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1PlmE9-0000Qu-BU Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [V9fs-developer] [RFC PATCH -V2 09/17] fs/9p: Mark file system with MS_SYNCHRONOUS only if it is not cached mode X-BeenThere: v9fs-developer@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: v9fs-developer-bounces@lists.sourceforge.net X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Sat, 05 Feb 2011 17:47:58 +0000 (UTC) diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index dbaabe3..76e11e8 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -87,8 +87,9 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, sb->s_op = &v9fs_super_ops; sb->s_bdi = &v9ses->bdi; - sb->s_flags = flags | MS_ACTIVE | MS_SYNCHRONOUS | MS_DIRSYNC | - MS_NOATIME; + sb->s_flags = flags | MS_ACTIVE | MS_DIRSYNC | MS_NOATIME; + if (!v9ses->cache) + sb->s_flags |= MS_SYNCHRONOUS; #ifdef CONFIG_9P_FS_POSIX_ACL if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_CLIENT)