NFS: Permit local filesystem caching to be enabled for NFS

Permit local filesystem caching to be enabled for NFS in the kernel
configuration.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>

diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 36fe20d6eba29a10e9a00b411f1afe4473ceff22..e67f3ec0773681c17dcf906e0cddfbd12d9ea1bc 100644 (file)
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -84,3 +84,11 @@ config ROOT_NFS
          <file:Documentation/filesystems/nfsroot.txt>.
 
          Most people say N here.
+
+config NFS_FSCACHE
+       bool "Provide NFS client caching support (EXPERIMENTAL)"
+       depends on EXPERIMENTAL
+       depends on NFS_FS=m && FSCACHE || NFS_FS=y && FSCACHE=y
+       help
+         Say Y here if you want NFS data to be cached locally on disc through
+         the general filesystem cache manager