NFSv4: Add label recommended attribute and NFSv4 flags

This patch adds several new flags to allow the NFS client and server to
determine if this attribute is supported and if it is being sent over the wire.

Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com>
Signed-off-by: Miguel Rodel Felipe <Rodel_FM@dsi.a-star.edu.sg>
Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene@dsi.a-star.edu.sg>
Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG@dsi.a-star.edu.sg>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 3b7fa2abecca690e0d007a4aa97fded3e1a1bad3..2ddd00a0848e4bda60c8402a1b72334e69f21384 100644 (file)
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -200,5 +200,6 @@ struct nfs_server {
 #define NFS_CAP_UIDGID_NOMAP   (1U << 15)
 #define NFS_CAP_STATEID_NFSV41 (1U << 16)
 #define NFS_CAP_ATOMIC_OPEN_V1 (1U << 17)
+#define NFS_CAP_SECURITY_LABEL (1U << 18)
 
 #endif

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 104b62f23ee025a51d730228e061ea49ce4513e0..bfdf6e042838724dbd9965f6ae4ebc86775be392 100644 (file)
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -101,6 +101,7 @@ struct nfs_fattr {
 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
 #define NFS_ATTR_FATTR_OWNER_NAME      (1U << 23)
 #define NFS_ATTR_FATTR_GROUP_NAME      (1U << 24)
+#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
 
 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
                | NFS_ATTR_FATTR_MODE \
@@ -120,7 +121,8 @@ struct nfs_fattr {
 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
                | NFS_ATTR_FATTR_SPACE_USED)
 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
-               | NFS_ATTR_FATTR_SPACE_USED)
+               | NFS_ATTR_FATTR_SPACE_USED \
+               | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
 
 /*
  * Info on the file system