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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@netapp.com>
This commit is contained in:
Trond Myklebust 2009-06-17 13:22:58 -07:00
parent 88b5ed73bc
commit 01c3f05228
1 changed files with 7 additions and 0 deletions
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7
fs/nfs/super.c
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@ -2240,6 +2240,11 @@ 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
*/
@ -2336,6 +2341,8 @@ 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;