From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stanislav Kinsbursky Subject: [PATCH v2 0/4] SUNRPC: several fixes around PipeFS objects Date: Mon, 27 Feb 2012 19:50:47 +0400 Message-ID: <20120227154713.7941.17963.stgit@localhost6.localdomain6> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit 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 To: Trond.Myklebust@netapp.com Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org v2: 1) Prior to calling PipeFS dentry rountines (for both type of clients - SUNPRC and NFS) get the client and drop the list lock instead of replacing per-net locks by mutexes. First two pathes fixes lockdep warnings and next two - dereferencing of released pipe data on eventfd close and in file operations. The following series consists of: --- Stanislav Kinsbursky (4): SUNRPC: release per-net clients lock before calling PipeFS dentries creation NFS: release per-net clients lock before calling PipeFS dentries creation SUNRPC: check RPC inode's pipe reference before dereferencing SUNRPC: move waitq from RPC pipe to RPC inode fs/nfs/client.c | 2 + fs/nfs/idmap.c | 8 +++- include/linux/sunrpc/rpc_pipe_fs.h | 2 + net/sunrpc/clnt.c | 10 ++++- net/sunrpc/rpc_pipe.c | 71 +++++++++++++++++++++++------------- 5 files changed, 60 insertions(+), 33 deletions(-)