fixes for initial fstab mtab dm devices

[distro-setup] / check-subvol-stale

diff --git a/check-subvol-stale b/check-subvol-stale
index 0049ff011d12e95da1a4edbd902a6feb6bdb561d..cc032d41715425e07fd777c46bdf303bbffc6487 100644 (file)
--- a/check-subvol-stale
+++ b/check-subvol-stale
@@ -82,6 +82,7 @@ for d; do
   vol=${d##*/}
   # second field, non-comment line == $d
   dev=$(sed -rn "s,^\s*([^#]\S*)\s+$d\s.*,\1,p" /etc/fstab /etc/mtab|head -n1)
+
   d dev=$dev
   subvol_dir=$(sed -rn "s,^\s*[^#]\S*\s+$d\s.*\bsubvol=([a-zA-A/]+).*,\1,p" /etc/fstab /etc/mtab|head -n1)
   d subvol_dir=$subvol_dir
@@ -89,7 +90,7 @@ for d; do
   # because the device in fstab for the rootfs can be different.
   for devx in $(btrfs fi show $dev| sed -rn 's#.*path (/\S+)$#\1#p'); do
     d devx=$devx
-    root_dir=$(sed -rn "s,^\s*$devx\s+(\S+).*\bsubvolid=[05]\b.*,\1,p" /etc/mtab|head -n1)
+    root_dir=$(sed -rn "s,^\s*$devx\s+(\S+).*\bsubvolid=[05]\b.*,\1,p" /etc/mtab /etc/fstab|head -n1)
     if [[ $root_dir ]]; then
       d root_dir=$root_dir
       break