[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, 11 insertions, 0 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index d44b04d9b0a9..a7c0cc3203cb 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1268,6 +1268,7 @@ config NFS_FS
         depends on INET
         select LOCKD
         select SUNRPC
+        select NFS_ACL_SUPPORT if NFS_V3_ACL
         help
           If you are connected to some other (usually local) Unix computer
           (using SLIP, PLIP, PPP or Ethernet) and want to mount files residing
@@ -1310,6 +1311,16 @@ config NFS_V3
 
           If unsure, say Y.
 
+config NFS_V3_ACL
+        bool "Provide client support for the NFSv3 ACL protocol extension"
+        depends on NFS_V3
+        help
+          Implement the NFSv3 ACL protocol extension for manipulating POSIX
+          Access Control Lists.  The server should also be compiled with
+          the NFSv3 ACL protocol extension; see the CONFIG_NFSD_V3_ACL option.
+
+          If unsure, say N.
+
 config NFS_V4
         bool "Provide NFSv4 client support (EXPERIMENTAL)"
         depends on NFS_FS && EXPERIMENTAL