X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ax-linux.git;a=blobdiff_plain;f=btrfs%2Fmksnapshot%2Fbtrfs-mksnapshot-rootfs;h=dcb840d11719f41844f9c7f26dce05830f6f33db;hp=2744d03727e2bffe3e757a796f05348dd36d2265;hb=HEAD;hpb=89a6413282467bcaddcacf14f2835c82602d95a5

diff --git a/btrfs/mksnapshot/btrfs-mksnapshot-rootfs b/btrfs/mksnapshot/btrfs-mksnapshot-rootfs
index 2744d03..dcb840d 100755
--- a/btrfs/mksnapshot/btrfs-mksnapshot-rootfs
+++ b/btrfs/mksnapshot/btrfs-mksnapshot-rootfs
@@ -19,7 +19,7 @@ Usage()
 
 [ $# -eq 0 ] || Usage
 
-if grep -Fq ' / btrfs ' /etc/fstab; then
+if [ "$(findmnt -fnr -o fstype /)" = "btrfs" ]; then
 	if [ -x /usr/local/sbin/btrfs-mksnapshot ]; then
 		/usr/local/sbin/btrfs-mksnapshot -1 / || exit 1
 	else