From patchwork Thu Jun 3 19:12:23 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 104157 X-Patchwork-Delegate: ericvh@gmail.com Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o53J955h009002 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 3 Jun 2010 19:09:41 GMT Received: from localhost ([127.0.0.1] helo=sfs-ml-2.v29.ch3.sourceforge.com) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OKFml-0007Nx-9f; Thu, 03 Jun 2010 19:08:59 +0000 Received: from sfi-mx-3.v28.ch3.sourceforge.com ([172.29.28.123] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OKFmj-0007Nr-Kd for v9fs-developer@lists.sourceforge.net; Thu, 03 Jun 2010 19:08:57 +0000 X-ACL-Warn: Received: from e36.co.us.ibm.com ([32.97.110.154]) by sfi-mx-3.v28.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1OKFmi-0008TQ-J3 for v9fs-developer@lists.sourceforge.net; Thu, 03 Jun 2010 19:08:57 +0000 Received: from d03relay03.boulder.ibm.com (d03relay03.boulder.ibm.com [9.17.195.228]) by e36.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id o53J5atl006578 for ; Thu, 3 Jun 2010 13:05:36 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay03.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o53J8eti140500 for ; Thu, 3 Jun 2010 13:08:45 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o53J8dqY012435 for ; Thu, 3 Jun 2010 13:08:39 -0600 Received: from localhost.localdomain (elm9m80.beaverton.ibm.com [9.47.81.80]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id o53J8bDH012293; Thu, 3 Jun 2010 13:08:38 -0600 From: "Venkateswararao Jujjuri (JV)" To: v9fs-developer@lists.sourceforge.net Date: Thu, 3 Jun 2010 12:12:23 -0700 Message-Id: <1275592343-326-3-git-send-email-jvrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1275592343-326-1-git-send-email-jvrao@linux.vnet.ibm.com> References: <1275592343-326-1-git-send-email-jvrao@linux.vnet.ibm.com> X-Spam-Score: -0.2 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.2 AWL AWL: From: address is in the auto white-list X-Headers-End: 1OKFmi-0008TQ-J3 Subject: [V9fs-developer] [PATCH-V2 2/2] [9p] Add a wstat after TCREATE to fix the gid. 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-4.2.3 (demeter.kernel.org [140.211.167.41]); Thu, 03 Jun 2010 19:09:41 +0000 (UTC) diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 03aa4b0..b608aee 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -589,6 +589,23 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir, goto error; } + /* Server grabs uid information from the fid but we need to fix + * gid as dotu doesn't support sending gid on the wire with Tcreate. + * hardlink is an exception as it inherits all credentials. + */ + if (v9fs_proto_dotu(v9ses) && !(perm & P9_DMLINK)) { + struct p9_wstat wstat; + + v9fs_blank_wstat(&wstat); + wstat.n_gid = v9fs_get_fsgid_for_create(dentry->d_parent); + err = p9_client_wstat(fid, &wstat); + if (err < 0) { + P9_DPRINTK(P9_DEBUG_VFS, "p9_client_wstat failed %d\n", + err); + goto error; + } + } + /* instantiate inode and assign the unopened fid to the dentry */ inode = v9fs_inode_from_fid(v9ses, fid, dir->i_sb); if (IS_ERR(inode)) {