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Utilities for aufs2
http://aufs.sf.net
J. R. Okajima
These utilities are always necessary for aufs2.
If you forget to install them, your aufs may not work correctly.
And these are not for aufs1 essentially, except aubrsync. See below in
detail.
Makefile in this tree has some customizable make-variables.
- KDIR
specify your kernel source path if necessary.
Note: this path should point kernel _source_ path, instead of kernel
_build_ path. Don't confuse with the path in "make O=<kdir>" when you
build a kernel in a different dir.
- CPPFLAGS or ARCH
specify the include path to your aufs2-standalone tree, if necessary.
the makefile finds the correct ${KDIR}/arch/${ARCH}/include dir and
sets the include path to CPPFLAGS="-I...". if the login in Makefile is
poor and doesn't support your build environment, then set the
variables directly.
- DESTDIR
specify your install path if necessary.
some commands have to be installed under /sbin.
o /sbin/mount.aufs, /sbin/umount.aufs
Helpers for util-linux-ng package. You should NOT invoke them
manually. Just install them by "make install".
o /sbin/auplink
Handles aufs pseudo-link at remount/unmount time. You can invoke it
manually at anytime.
o /usr/bin/auchk
Similar to generic fsck. Checks whether a branch is healthy or not
from aufs's point of view.
o /usr/bin/aubrsync
Move files from the upper writable branch to the lower branch.
If you use this script with aufs1, then you need to install aufs.shlib
to /usr/lib/aufs.shlib. Currently only the 20080211 version is tested
for aufs1.
The development of this script is sponcered by ASUSTek Computer Inc.
(http://www.asus.com/).
Kindly they agreed that I keep my aufs work as free software as it has
been.
o /etc/default/aufs
A library for shell scripts.
o /usr/lib/libau.so
A dynamic link library for "readdir(3) in user-space".
If you need this , then run "make libau.so install_ulib". And refer to
the aufs manual in detail.
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