grub2/0042-export-btrfs_subvol-and-btrfs_subvolid.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Michael Chang <mchang@suse.com>
Date: Wed, 18 Dec 2013 09:57:04 +0000
Subject: [PATCH] export btrfs_subvol and btrfs_subvolid

We should export btrfs_subvol and btrfs_subvolid to have both visible
to subsidiary configuration files loaded using configfile.

Signed-off-by: Michael Chang <mchang@suse.com>
---
 grub-core/fs/btrfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grub-core/fs/btrfs.c b/grub-core/fs/btrfs.c
index f1fff7385b..ad1b56b716 100644
--- a/grub-core/fs/btrfs.c
+++ b/grub-core/fs/btrfs.c
@@ -2714,6 +2714,8 @@ GRUB_MOD_INIT (btrfs)
                                subvol_set_env);
   grub_register_variable_hook ("btrfs_subvolid", subvolid_get_env,
                                subvolid_set_env);
+  grub_env_export ("btrfs_subvol");
+  grub_env_export ("btrfs_subvolid");
 }
 
 GRUB_MOD_FINI (btrfs)