debugreiserfs -V (return code: 0)
debugreiserfs 3.6.24
debugreiserfs -h (return code: 16)
debugreiserfs: invalid option -- 'h'
Usage: debugreiserfs [options] device
Options:
-d print blocks details of the internal tree
-D print blocks details of all used blocks
-B file extract list of badblocks
-m print bitmap blocks
-o print objectid map
-J print journal header
-j filename
print journal located on the device 'filename'
stores the journal in the specified file 'filename.
-p send filesystem metadata to stdout
-u read stdin and unpack the metadata
-S handle all blocks, not only used
-1 block block to print
-q no speed info
-V print version and exit