This is a note to let you know that I've just added the patch titled SUNRPC: PipeFS MOUNT notification optimization for dying clients to the 3.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: sunrpc-pipefs-mount-notification-optimization-for-dying-clients.patch and it can be found in the queue-3.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 4f6bb246f69443549fbbd0f2abaf863243cb35e9 Mon Sep 17 00:00:00 2001 From: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx> Date: Mon, 24 Jun 2013 11:52:59 +0400 Subject: SUNRPC: PipeFS MOUNT notification optimization for dying clients From: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx> commit 4f6bb246f69443549fbbd0f2abaf863243cb35e9 upstream. Not need to create pipes for dying client. So just skip them. Note: we can safely dereference the client structure, because notification caller is holding sn->pipefs_sb_lock. Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx> Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/sunrpc/clnt.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -181,6 +181,8 @@ static inline int rpc_clnt_skip_event(st if (((event == RPC_PIPEFS_MOUNT) && clnt->cl_dentry) || ((event == RPC_PIPEFS_UMOUNT) && !clnt->cl_dentry)) return 1; + if ((event == RPC_PIPEFS_MOUNT) && atomic_read(&clnt->cl_count) == 0) + return 1; return 0; } Patches currently in stable-queue which might be from skinsbursky@xxxxxxxxxxxxx are queue-3.4/sunrpc-pipefs-mount-notification-optimization-for-dying-clients.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html