diff --git a/bash/btrfs.sh b/bash/btrfs.sh
new file mode 100644
index 0000000..2513eda
--- /dev/null
+++ b/bash/btrfs.sh
@@ -0,0 +1,7 @@
+function bsl {
+    if [ "${1}" ] ; then
+        btrfs subvolume list "${1}" \
+        | cut -d ' ' -f 9 \
+        | sort
+    fi
+}