netfs: Make a netfs helper module

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>

diff --git a/fs/netfs/Kconfig b/fs/netfs/Kconfig
new file mode 100644 (file)
index 0000000..2ebf90e
--- /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.