[PATCH 17/17] Kconfig: Add Kconfig entry for Labeled NFS V4 server

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

From: Steve Dickson <steved-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

This patch adds the NFSd_V4_SECURITY_LABEL entry which
enables security label support for the NFSv4 server

Signed-off-by: Steve Dickson <steved-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 fs/nfsd/Kconfig | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index 430b687..c37a046 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -81,6 +81,22 @@ config NFSD_V4
 
 	  If unsure, say N.
 
+config NFSD_V4_SECURITY_LABEL
+	bool "Provide Security Label support for NFSv4 server"
+	depends on NFSD_V4 && SECURITY
+	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."
+
 config NFSD_FAULT_INJECTION
 	bool "NFS server manual fault injection"
 	depends on NFSD_V4 && DEBUG_KERNEL
-- 
1.8.1.4

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