ovl: select EXPORTFS

We get a link error when EXPORTFS is not enabled:

ERROR: "exportfs_encode_fh" [fs/overlayfs/overlay.ko] undefined!
ERROR: "exportfs_decode_fh" [fs/overlayfs/overlay.ko] undefined!

This adds a Kconfig 'select' statement for overlayfs, the same way that
it is done for the other users of exportfs.

Fixes: 3a1e819b4e ("ovl: store file handle of lower inode on copy up")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Arnd Bergmann 2017-05-11 13:34:29 +02:00 committed by Miklos Szeredi
parent 2ea659a9ef
commit 72d42504bd

View file

@ -1,5 +1,6 @@
config OVERLAY_FS
tristate "Overlay filesystem support"
select EXPORTFS
help
An overlay filesystem combines two filesystems - an 'upper' filesystem
and a 'lower' filesystem. When a name exists in both filesystems, the