[13/13] Kconfig: Add Kconfig entry for Labeled NFS V4 client

Commit Message

Steve Dickson May 22, 2013, 4:50 p.m. UTC

From: Steve Dickson <[e-mail]>

This patch adds the NFS_V4_SECURITY_LABEL entry which
enables security label support for the NFSv4 client

Signed-off-by: Steve Dickson <[e-mail]>
---
 fs/nfs/Kconfig | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Patch

diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index a048928..a63f553 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -140,6 +140,25 @@  config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
 	  If the NFS client is unchanged from the upstream kernel, this
 	  option should be set to the default "kernel.org".
 
+config NFS_V4_SECURITY_LABEL
+	bool "Provide Security Label support for NFSv4 client"
+	depends on NFS_V4_2 && SECURITY
+	default y
+	help
+
+	Say Y here if you want enable fine-grained security label attribute
+	support for NFS version 4.  Security labels allow security modules like
+	SELinux and Smack to label files to facilitate enforcement of their policies.
+	Without this an NFSv4 mount will have the same label on each file.
+
+	If you do not wish to enable fine-grained security labels SELinux or
+	Smack policies on NFSv4 files, say N.
+
+	WARNING: there is still a chance of backwards-incompatible protocol changes.  
+	For now we recommend "Y" only for developers and testers."
+
+	If unsure, say N.
+
 config ROOT_NFS
 	bool "Root file system on NFS"
 	depends on NFS_FS=y && IP_PNP