[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, 27 insertions, 0 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 46b206b460c0..a2bf6914ff1b 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -2,6 +2,7 @@
 #define _LINUX_NFS_XDR_H
 
 #include <linux/sunrpc/xprt.h>
+#include <linux/nfsacl.h>
 
 struct nfs4_fsid {
         __u64 major;
@@ -368,6 +369,20 @@ struct nfs_readdirargs {
         struct page **          pages;
 };
 
+struct nfs3_getaclargs {
+        struct nfs_fh *         fh;
+        int                     mask;
+        struct page **          pages;
+};
+
+struct nfs3_setaclargs {
+        struct inode *          inode;
+        int                     mask;
+        struct posix_acl *      acl_access;
+        struct posix_acl *      acl_default;
+        struct page **          pages;
+};
+
 struct nfs_diropok {
         struct nfs_fh *         fh;
         struct nfs_fattr *      fattr;
@@ -491,6 +506,15 @@ struct nfs3_readdirres {
         int                     plus;
 };
 
+struct nfs3_getaclres {
+        struct nfs_fattr *      fattr;
+        int                     mask;
+        unsigned int            acl_access_count;
+        unsigned int            acl_default_count;
+        struct posix_acl *      acl_access;
+        struct posix_acl *      acl_default;
+};
+
 #ifdef CONFIG_NFS_V4
 
 typedef u64 clientid4;
@@ -748,4 +772,7 @@ extern struct rpc_version	nfs_version2;
 extern struct rpc_version       nfs_version3;
 extern struct rpc_version       nfs_version4;
 
+extern struct rpc_version       nfsacl_version3;
+extern struct rpc_program       nfsacl_program;
+
 #endif