grub2/grub2-btrfs-02-export-subvolume-envvars.patch

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From: Michael Chang <mchang@suse.com>
Subject: 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>
--- a/grub-core/fs/btrfs.c
+++ b/grub-core/fs/btrfs.c
@@ -2931,6 +2931,8 @@
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)