On Thu, May 11, 2017 at 1:34 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> 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: 3a1e819b4e80 ("ovl: store file handle of lower inode on copy up")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Thanks, applied.
Miklos
> ---
> fs/overlayfs/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig
> index 0daac5112f7a..c0c9683934b7 100644
> --- a/fs/overlayfs/Kconfig
> +++ b/fs/overlayfs/Kconfig
> @@ -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
> --
> 2.9.0
>
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