@@ -107,6 +107,7 @@ config NFS_V4_1
config NFS_V4_2
bool "NFS client support for NFSv4.2"
depends on NFS_V4_1
+ select NFS_V4_SECURITY_LABEL
help
This option enables support for minor version 1 of the NFSv4 protocol
in the kernel's NFS client.
@@ -140,6 +141,24 @@ 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 && 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."
+
+ If unsure, say N.
+
config ROOT_NFS
bool "Root file system on NFS"
depends on NFS_FS=y && IP_PNP