[PATCH 08/17] NFSv4: Add label recommended attribute and NFSv4 flags

[Steve Dickson <SteveD-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

From: David Quigley <dpquigl-a7DkhOHRHBuN9aS15agKxg@public.gmane.org>

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-DABiIiYg7OfQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Miguel Rodel Felipe <Rodel_FM-geVtEqcQUv4Eyxwt80+Gtti2O/JbrIOy@public.gmane.org>
Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene-geVtEqcQUv4Eyxwt80+Gtti2O/JbrIOy@public.gmane.org>
Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG-geVtEqcQUv4Eyxwt80+Gtti2O/JbrIOy@public.gmane.org>
---
 include/linux/nfs4.h      | 1 +
 include/linux/nfs_fs_sb.h | 1 +
 include/linux/nfs_xdr.h   | 4 +++-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 7e18a66..6f44cc1 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -385,6 +385,7 @@ enum lock_type4 {
 #define FATTR4_WORD1_MOUNTED_ON_FILEID  (1UL << 23)
 #define FATTR4_WORD1_FS_LAYOUT_TYPES    (1UL << 30)
 #define FATTR4_WORD2_LAYOUT_BLKSIZE     (1UL << 1)
+#define FATTR4_WORD2_SECURITY_LABEL     (1UL << 17)
 #define FATTR4_WORD2_MDSTHRESHOLD       (1UL << 4)
 
 /* MDS threshold bitmap bits */
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 6c6ed15..d507357 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -197,5 +197,6 @@ struct nfs_server {
 #define NFS_CAP_MTIME		(1U << 13)
 #define NFS_CAP_POSIX_LOCK	(1U << 14)
 #define NFS_CAP_UIDGID_NOMAP	(1U << 15)
+#define NFS_CAP_SECURITY_LABEL	(1U << 16)
 
 #endif
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 4b993d3..9f2dba3 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -104,6 +104,7 @@ 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 \
@@ -123,7 +124,8 @@ 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
-- 
1.8.1.4

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