3.5 ReiserFSv4

Support: using the library from reiser4progs-devel.

Compiling requirements:

• the mntent.h (with at least one of its functions - ‘getmntent’ or ‘getmntent_r’)
• the ‘long long’ data type support in the compiler
• development package for reiser4progs, libuuid (e2fsprogs or e2fsprogs-libs) and libaal. Go to
  http://www.kernel.org/pub/linux/utils/fs/reiser4/
  and
  http://e2fsprogs.sf.net/
  to get the libraries. After installing, libmisc.a needs to be copied in the same place as libreiser4.a, but under a different name - libreiser4misc.a:

  ‘cp libmisc/.libs/libmisc.a /usr/lib/libreiser4misc.a’

  libmisc.a is in reiser4progs, of course. Nobody thought it would be needed, but libreiser4.a is useless without it. Substitute the correct destination path for your system in the above command.

WARNING: If both ReiserFSv3 and ReiserFSv4 are enabled, the program may refuse to link if the compiler doesn’t support the command line option -Wl,-z -Wl,muldefs that makes the linker accept multiple symbol definitions. If you have this problem, disable the support for either of these filesystems (you can compile two versions of the program). Don’t complain to me, complain to the guys that made reiserfsprogs and reiser4progs.
You can fix either of these libraries yourself, by running

‘find . -type f -exec sed -i 's/misc_mntent/new_misc_mntent/g' '{}' \;’

in the root directory of either reiserfsprogs or reiser4progs (but NOT both, because this would bring back the same problem, but with a different name). Type the command as above, just without the leading and trailing apostrophes. The command must be run BEFORE compiling the reiserfs programs. You can use the provided patches to do this:

‘patch -F10 -p1 < /path/to/wipefreespace-XX/patches/reiser-3.6.XX.diff’

‘patch -F10 -p1 < /path/to/wipefreespace-XX/patches/reiser4-1.0.7.diff’

Operations:

• wiping the free space
  • pattern-order
  • block-order
• wiping deleted files’ data (part of free space)
  • block-order
• wiping the journal
  • block-order