Patch "NFSv4: Open state recovery must account for file permission changes" has been added to the 4.4-stable tree

Patch "NFSv4: Open state recovery must account for file permission changes" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    NFSv4: Open state recovery must account for file permission changes

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:
     nfsv4-open-state-recovery-must-account-for-file-permission-changes.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 <stable@vger.kernel.org> know about it.


>From 304020fe48c6c7fff8b5a38f382b54404f0f79d3 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Thu, 22 Sep 2016 13:39:18 -0400
Subject: NFSv4: Open state recovery must account for file permission changes

From: Trond Myklebust <trond.myklebust@primarydata.com>

commit 304020fe48c6c7fff8b5a38f382b54404f0f79d3 upstream.

If the file permissions change on the server, then we may not be able to
recover open state. If so, we need to ensure that we mark the file
descriptor appropriately.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/nfs/nfs4state.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1493,6 +1493,9 @@ restart:
 					__func__, status);
 			case -ENOENT:
 			case -ENOMEM:
+			case -EACCES:
+			case -EROFS:
+			case -EIO:
 			case -ESTALE:
 				/* Open state on this file cannot be recovered */
 				nfs4_state_mark_recovery_failed(state, status);


Patches currently in stable-queue which might be from trond.myklebust@primarydata.com are

queue-4.4/nfsv4-don-t-report-revoked-delegations-as-valid-in-nfs_have_delegation.patch
queue-4.4/nfsv4.2-fix-a-reference-leak-in-nfs42_proc_layoutstats_generic.patch
queue-4.4/nfsv4-open-state-recovery-must-account-for-file-permission-changes.patch
queue-4.4/nfsv4-nfs4_copy_delegation_stateid-must-fail-if-the-delegation-is-invalid.patch