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debugfs.reiser4(8)	      reiser4progs manual	    debugfs.reiser4(8)

NAME
       debugfs.reiser4 - the program for debugging reiser4 filesystem.

SYNOPSIS
       debugfs.reiser4 [ options ] FILE

DESCRIPTION
       debugfs.reiser4	is reiser4 filesystem debug program. You can disscover
       the internal reiser4 filesystem structures by using it.

COMMON OPTIONS
       -V, --version
	      prints program version.

       -?, -h, --help
	      prints program help.

       -y, --yes
	      assumes an answer 'yes' to all questions.

       -f, --force
	      forces debugfs to use whole disk, not block  device  or  mounted
	      partition.

       -c, --cache N
	      sets  tree  cache node number to passed value. This affects very
	      much behavior of libreiser4. It affects speed, tree  allocation,
	      etc.

BROWSING OPTIONS
       -k, --cat
	      browses passed file like standard cat and ls programs.

PRINT OPTIONS
       -t, --print-tree
	      prints the internal tree.

       -b, --print-block N
	      prints the block associated with the passed block number.

       -n, --print-nodes FILE
	      prints all nodes that the passed file lies in.

       -i, --print-file
	      prints all items that the passed file consists of.

       -s, --print-super
	      prints the both super blocks: master super block and format spe‐
	      cific one.

       -j, --print-journal
	      prints the journal with not yet commited transactions (if any).

       -a, --print-alloc
	      prints the block allocator data.

       -d, --print-oid
	      prints the oid allocator data.

METADATA OPTIONS
       -P, --pack-metadata
	      fetches filesystem metadata and writes them to the standard out‐
	      put.

       -U, --unpack-metadata
	      reads  filesystem	 metadata  stream from the stdandard input and
	      constructs   a   new   filesystem	  based	  on   the   metadata.
	      debugfs.reiser4	 --pack-metadata   <FS1>   |   debugfs.reiser4
	      --unpack-metadata <FS2> and then debugfs.reiser4 --pack-metadata
	      <FS2> produces a stream equivalent to the first one.

PLUGIN OPTIONS
       -p, --print-profile
	      prints  the  plugin  profile. This is the set of default plugins
	      used for all parts of a  filesystem  --  format,	nodes,	files,
	      directories,  hashes,  etc.  If  --override  is  specified, then
	      prints modified plugins.

       -l, --print-plugins
	      prints all plugins libreiser4 knows about.

       -o, --override TYPE=PLUGIN, ...
	      overrides the default plugin of the type "TYPE"  by  the	plugin
	      "PLUGIN" in the plugin profile.

Temporary Options
       -C     converts	to the new backup layout. Use this only if you created
	      a reiser4 fs with some previous version of reiser4progs.

Examples:
       debugfs.reiser4 -o nodeptr=nodeptr41,hash=rupasov_hash /dev/hda2

REPORTING BUGS
       Report bugs to <umka@namesys.com>, <reiserfs-list@namesys.com>

SUPPORT
       You can get support at http://www.namesys.com/support.html

SEE ALSO
       libreiser4(8), measurefs.reiser4(8),  mkfs.reiser4(8),  fsck.reiser4(8)
       cpfs.reiser4(8) resizefs.reiser4(8)

AUTHOR
       This manual page was written by Yury Umanets <umka@namesys.com>

reiser4progs			 02 Oct, 2002		    debugfs.reiser4(8)
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