From 8159b2c98989e8abc1bb450935dea2c1e91eccf3 Mon Sep 17 00:00:00 2001
From: Erez_Zadok <ezk@cs.sunysb.edu>
Date: Wed, 1 Aug 2007 23:01:24 -0400
Subject: [PATCH] Test for unsupported file systems and skip them (no false
 negatives)

---
 run-tests | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/run-tests b/run-tests
index 02723b5..448bd1b 100755
--- a/run-tests
+++ b/run-tests
@@ -188,6 +188,32 @@ function do_umount
     esac
 }
 
+# test if file system is supported, skip if not
+function test_fs
+{
+    for i in $* ; do
+	# translate file system names to actual module names
+	case $i in
+	    ext4* ) fs="ext4dev" ;;
+	    nfs4 ) fs=$i ;;
+	    nfs* ) fs="nfs" ;;
+	    * ) fs=$i ;;
+	esac
+	# see if f/s is already supported
+	egrep -q "[^a-z]$fs$" /proc/filesystems && return 0
+	# otherwise try to load the module and ...
+	modprobe $fs 2> /dev/null
+	# try one more time to see if f/s is supported
+	egrep -q "[^a-z]$fs$" /proc/filesystems && return 0
+	# else exit, ignoring unsupported file system
+	echo -e -n "\033[1;31m"
+	echo -e -n "File system $fs is not supported in this kernel (`uname -r`)"
+	echo "\033[m"
+	sleep 1
+	exit 0
+    done
+}
+
 export PATH=../../unionfs-utils:$PATH
 
 LINEBRK="----------------------------------------------------------------------"
@@ -218,6 +244,9 @@ do
       exit 1
   fi
 
+  # test if file systems are supported by this kernel, and skip if not
+  test_fs $MYFS $FS0 $FS1 $FS2 $FS3 $SPECIAL_FS
+
   delay=$DELAY
   echo "Sleeping for "$delay" seconds between each command."
   setup_lower
-- 
2.43.0