linux-kernel - [GIT PULL] Please pull a bugfix for NFSv4...

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Date:	Mon, 08 Jun 2009 17:08:44 -0400
From:	Trond Myklebust <Trond.Myklebust@...app.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Rich Ercolani <rercola@....jhu.edu>
Subject: [GIT PULL] Please pull a bugfix for NFSv4...

Hi Linus,

Please pull from the "bugfixes" branch of the repository at

   git pull git://git.linux-nfs.org/projects/trondmy/nfs-2.6.git bugfixes

This will update the following files through the appended changesets.

  Cheers,
    Trond

----
 fs/nfs/super.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

commit fa4156cbc5844f7649ae586207660cb2e98ba970
Author: Trond Myklebust <Trond.Myklebust@...app.com>
Date:   Mon Jun 8 16:02:58 2009 -0400

    NFSv4: Fix the 'nolock' option regression
    
    NFSv4 should just ignore the 'nolock' option. It is an NFSv2/v3 thing...
    This fixes the Oops in http://bugzilla.kernel.org/show_bug.cgi?id=13330
    
    Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index d2d6778..36c94dc 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2238,6 +2238,11 @@ static void nfs4_fill_super(struct super_block *sb)
 	nfs_initialise_sb(sb);
 }
 
+static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args)
+{
+	args->flags &= ~(NFS_MOUNT_NONLM|NFS_MOUNT_NOACL|NFS_MOUNT_VER3);
+}
+
 /*
  * Validate NFSv4 mount options
  */
@@ -2334,6 +2339,8 @@ static int nfs4_validate_mount_data(void *options,
 
 		nfs_validate_transport_protocol(args);
 
+		nfs4_validate_mount_flags(args);
+
 		if (args->auth_flavor_len > 1)
 			goto out_inval_auth;
 

-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@...app.com
www.netapp.com
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