genfstab: check sooner for pseudofs types

genfstab.in

@@ -99,6 +99,10 @@ fi
 # handle block devices
 findmnt -Recvruno SOURCE,TARGET,FSTYPE,OPTIONS,FSROOT "$root" |
     while read -r src target fstype opts fsroot; do
+  if (( nopseudofs )) && fstype_is_pseudofs "$fstype"; then
+    continue
+  fi
+
   # default 5th and 6th columns
   dump=0 pass=2
 
@@ -111,10 +115,6 @@ findmnt -Recvruno SOURCE,TARGET,FSTYPE,OPTIONS,FSROOT "$root" |
     pass=1 foundroot=1
   fi
 
-  if fstype_is_pseudofs "$fstype" && (( nopseudofs )); then
-    continue
-  fi
-
   # if there's no fsck tool available, then only pass=0 makes sense.
   if ! fstype_has_fsck "$fstype"; then
     pass=0