common/config: Allow environment defined btrfs mkfs options

btrfs does not have options of defining mkfs options via the
environment. Use BTRFS_MKFS_OPTIONS environment variable to set
MKFS_OPTIONS for btrfs.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/common/config b/common/config
index 285b7d1fae3292df96aad731bcadf01152d83881..d83dfb289037df5a2c1404910e9612c7864e83a4 100644 (file)
--- a/common/config
+++ b/common/config
@@ -410,6 +410,9 @@ _mkfs_opts()
        f2fs)
                export MKFS_OPTIONS="$F2FS_MKFS_OPTIONS"
                ;;
+       btrfs)
+               export MKFS_OPTIONS="$BTRFS_MKFS_OPTIONS"
+               ;;
        *)
                ;;
        esac