From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46291 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934246AbcIVNnu (ORCPT ); Thu, 22 Sep 2016 09:43:50 -0400 Subject: Patch "pNFS: The client must not do I/O to the DS if it's lease has expired" has been added to the 4.4-stable tree To: trond.myklebust@primarydata.com, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 22 Sep 2016 15:41:57 +0200 Message-ID: <1474551717125232@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled pNFS: The client must not do I/O to the DS if it's lease has expired to the 4.4-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: pnfs-the-client-must-not-do-i-o-to-the-ds-if-it-s-lease-has-expired.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b88fa69eaa8649f11828158c7b65c4bcd886ebd5 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 23 Aug 2016 11:19:33 -0400 Subject: pNFS: The client must not do I/O to the DS if it's lease has expired From: Trond Myklebust commit b88fa69eaa8649f11828158c7b65c4bcd886ebd5 upstream. Ensure that the client conforms to the normative behaviour described in RFC5661 Section 12.7.2: "If a client believes its lease has expired, it MUST NOT send I/O to the storage device until it has validated its lease." So ensure that we wait for the lease to be validated before using the layout. Signed-off-by: Trond Myklebust Signed-off-by: Greg Kroah-Hartman --- fs/nfs/pnfs.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1530,6 +1530,7 @@ pnfs_update_layout(struct inode *ino, goto out; lookup_again: + nfs4_client_recover_expired_lease(clp); first = false; spin_lock(&ino->i_lock); lo = pnfs_find_alloc_layout(ino, ctx, gfp_flags); Patches currently in stable-queue which might be from trond.myklebust@primarydata.com are queue-4.4/nfsv4.1-fix-oopsable-condition-in-server-callback-races.patch queue-4.4/pnfs-ensure-layoutget-and-layoutreturn-are-properly-serialised.patch queue-4.4/nfsv4.x-fix-a-refcount-leak-in-nfs_callback_up_net.patch queue-4.4/nfsv4.1-fix-the-create_session-slot-number-accounting.patch queue-4.4/pnfs-the-client-must-not-do-i-o-to-the-ds-if-it-s-lease-has-expired.patch