Add a new test which tests to make sure e2fsck -D works correctly.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
--- /dev/null
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 3A: Optimizing directories
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+
+test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
+test_filesys: 105/2048 files (2.9% non-contiguous), 336/512 blocks
+Exit status is 1
--- /dev/null
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+test_filesys: 105/2048 files (3.8% non-contiguous), 336/512 blocks
+Exit status is 0
--- /dev/null
+FSCK_OPT=-yfD
+
+. $cmd_dir/run_e2fsck