Make a netfs helper module to manage read request segmentation, caching
support and transparent huge page support on behalf of a network
filesystem.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <redacted>
cc: Matthew Wilcox <willy@infradead.org>
cc: linux-mm@kvack.org
cc: linux-cachefs@redhat.com
cc: linux-afs@lists.infradead.org
cc: linux-nfs@vger.kernel.org
cc: linux-cifs@vger.kernel.org
cc: ceph-devel@vger.kernel.org
cc: v9fs-developer@lists.sourceforge.net
cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/160588496284.3465195.10102643717770106661.stgit@warthog.procyon.org.uk/ (local) # rfc
Link: https://lore.kernel.org/r/161118135638.1232039.1622182202673126285.stgit@warthog.procyon.org.uk/ (local) # rfc
Link: https://lore.kernel.org/r/161161031028.2537118.1213974428943508753.stgit@warthog.procyon.org.uk/ (local) # v2
Link: https://lore.kernel.org/r/161340391427.1303470.14884950716721956560.stgit@warthog.procyon.org.uk/ (local) # v3
---

 fs/netfs/Kconfig |    8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 fs/netfs/Kconfig

diff --git a/fs/netfs/Kconfig b/fs/netfs/Kconfig
new file mode 100644
index 000000000000..2ebf90e6ca95
--- /dev/null
+++ b/fs/netfs/Kconfig

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config NETFS_SUPPORT
+	tristate "Support for network filesystem high-level I/O"
+	help
+	  This option enables support for network filesystems, including
+	  helpers for high-level buffered I/O, abstracting out read
+	  segmentation, local caching and transparent huge page support.