From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mailhub.sw.ru ([195.214.232.25]:9321 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754774Ab1LZLj3 (ORCPT ); Mon, 26 Dec 2011 06:39:29 -0500 Subject: [PATCH v3 1/7] SUNRPC: create RPC pipefs superblock per network namespace context To: Trond.Myklebust@netapp.com From: Stanislav Kinsbursky Cc: linux-nfs@vger.kernel.org, xemul@parallels.com, neilb@suse.de, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, jbottomley@parallels.com, bfields@fieldses.org, davem@davemloft.net, devel@openvz.org Date: Mon, 26 Dec 2011 15:38:56 +0300 Message-ID: <20111226113856.13216.82195.stgit@localhost6.localdomain6> In-Reply-To: <20111226113504.13216.19798.stgit@localhost6.localdomain6> References: <20111226113504.13216.19798.stgit@localhost6.localdomain6> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-nfs-owner@vger.kernel.org List-ID: This is the initial step of RPC pipefs virtualization. It changes nothing to current pipefs behaviour except that mount of pipefs in other than init_net network namespace context will provide only root tree. No other dentries will be visible. Signed-off-by: Stanislav Kinsbursky --- net/sunrpc/rpc_pipe.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index e2f7b7f..bb8a40b 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -994,6 +994,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent) { struct inode *inode; struct dentry *root; + struct net *net = data; sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize_bits = PAGE_CACHE_SHIFT; @@ -1018,7 +1019,7 @@ static struct dentry * rpc_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - return mount_single(fs_type, flags, data, rpc_fill_super); + return mount_ns(fs_type, flags, current->nsproxy->net_ns, rpc_fill_super); } static struct file_system_type rpc_pipe_fs_type = {