[PATCH] NFS: Add support for NFSv3 ACLs

 This adds acl support fo nfs clients via the NFSACL protocol extension, by
 implementing the getxattr, listxattr, setxattr, and removexattr iops for the
 system.posix_acl_access and system.posix_acl_default attributes.  This patch
 implements a dumb version that uses no caching (and thus adds some overhead).
 (Another patch in this patchset adds caching as well.)

 Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
 Acked-by: Olaf Kirch <okir@suse.de>
 Signed-off-by: Andrew Morton <akpm@osdl.org>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index fd5bc596fe8..1b272a135a3 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -124,6 +124,7 @@ enum {
         Opt_soft, Opt_hard, Opt_intr,
         Opt_nointr, Opt_posix, Opt_noposix, Opt_cto, Opt_nocto, Opt_ac, 
         Opt_noac, Opt_lock, Opt_nolock, Opt_v2, Opt_v3, Opt_udp, Opt_tcp,
+        Opt_acl, Opt_noacl,
         /* Error token */
         Opt_err
 };
@@ -158,6 +159,8 @@ static match_table_t __initdata tokens = {
         {Opt_udp, "udp"},
         {Opt_tcp, "proto=tcp"},
         {Opt_tcp, "tcp"},
+        {Opt_acl, "acl"},
+        {Opt_noacl, "noacl"},
         {Opt_err, NULL}
         
 };
@@ -266,6 +269,12 @@ static int __init root_nfs_parse(char *name, char *buf)
                         case Opt_tcp:
                                 nfs_data.flags |= NFS_MOUNT_TCP;
                                 break;
+                        case Opt_acl:
+                                nfs_data.flags &= ~NFS_MOUNT_NOACL;
+                                break;
+                        case Opt_noacl:
+                                nfs_data.flags |= NFS_MOUNT_NOACL;
+                                break;
                         default : 
                                 return 0;
                 }