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[PATCH] Add ext2/3/4-specific _check_extN_filesystem function

To: xfs@xxxxxxxxxxx
Subject: [PATCH] Add ext2/3/4-specific _check_extN_filesystem function
From: "Theodore Ts'o" <tytso@xxxxxxx>
Date: Tue, 18 Aug 2009 10:57:47 -0400
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
The _check_generic_filesystem function doesn't force a full filesystem
check, so filesystem inconsistencies after a test wouldn't be noticed.
To fix this, I added an extN specific check filesystem function.

Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
---
 common.rc |   52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 52 insertions(+), 0 deletions(-)

diff --git a/common.rc b/common.rc
index 82b0d51..da5f99e 100644
--- a/common.rc
+++ b/common.rc
@@ -865,6 +865,52 @@ _check_generic_filesystem()
     return 0
 }
 
+# Check an ext2/3/4 filesystem
+#
+_check_extN_filesystem()
+{
+    device=$1
+
+    # If type is set, we're mounted
+    type=`_fs_type $device`
+    ok=1
+
+    if [ "$type" = "$FSTYP" ]
+    then
+        # mounted ...
+        mountpoint=`_umount_or_remount_ro $device`
+    fi
+
+    e2fsck -nf $device >$tmp.fsck 2>&1
+    if [ $? -ne 0 ]
+    then
+        echo "_check_extN_filesystem: filesystem on $device is inconsistent 
(see $seq.full)"
+
+        echo "_check_extN filesystem: filesystem on $device is inconsistent" 
>>$here/$seq.full
+        echo "*** e2fsck output ***"                          >>$here/$seq.full
+        cat $tmp.fsck                                         >>$here/$seq.full
+        echo "*** end e2fsck output"                          >>$here/$seq.full
+
+        ok=0
+    fi
+    rm -f $tmp.fsck
+
+    if [ $ok -eq 0 ]
+    then
+        echo "*** mount output ***"                           >>$here/$seq.full
+        _mount                                                >>$here/$seq.full
+        echo "*** end mount output"                           >>$here/$seq.full
+    elif [ "$type" = "$FSTYP" ]
+    then
+       # was mounted ...
+       _mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
+       ok=$?
+    fi
+
+    [ $ok -eq 0 ] && exit 1
+    return 0
+}
+
 # run xfs_check and friends on a FS.
 
 _check_xfs_filesystem()
@@ -1033,6 +1079,9 @@ _check_test_fs()
     udf)
        # do nothing for now
        ;;
+    ext2|ext3|ext4)
+       _check_extN_filesystem $TEST_DEV
+       ;;
     *)
        _check_generic_filesystem $TEST_DEV
        ;;
@@ -1059,6 +1108,9 @@ _check_scratch_fs()
     nfs*)
        # Don't know how to check an NFS filesystem, yet.
        ;;
+    ext2|ext3|ext4)
+       _check_extN_filesystem $SCRATCH_DEV
+       ;;
     *)
        _check_generic_filesystem $SCRATCH_DEV
        ;;
-- 
1.6.3.2.1.gb9f7d.dirty

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