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Backports of patch from systemd git to stable distributions
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kay.sievers@vrfy.org 2a94c8777e [PATCH] don't init namedev on remove
Is there any reason to parse the rules for a remove event?
Without it, our test script needs only 2.1 seconds instead of 2.5,
so we have 19 percent more time for testing now :)
2005-04-26 21:35:10 -07:00
docs [PATCH] fix a type in docs/libsysfs.txt 2005-04-26 21:35:09 -07:00
etc [PATCH] Added line to udev.permissions.redhat 2005-04-26 21:35:08 -07:00
extras [PATCH] SCSI logical and physical names for udev 2005-04-26 21:35:10 -07:00
klibc [PATCH] fix offsetof() define in klibc. 2005-04-26 21:32:27 -07:00
libsysfs [PATCH] more Libsysfs updates 2005-04-26 21:35:09 -07:00
tdb [PATCH] make spotless 2005-04-26 21:35:10 -07:00
test [PATCH] udev-test.pl cleanup 2005-04-26 21:35:10 -07:00
ChangeLog [PATCH] 022 release 2005-04-26 21:35:10 -07:00
COPYING [PATCH] added initial documentation and gpl license 2005-04-26 21:00:32 -07:00
FAQ [PATCH] add a question/answer about automounting usb devices to the FAQ. 2005-04-26 21:35:10 -07:00
HOWTO-udev_for_dev [PATCH] fix HOWTO-udev_for_dev for udevdir 2005-04-26 21:35:10 -07:00
klibc_fixups.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
klibc_fixups.h [PATCH] add $local user spport for permissions 2005-04-26 21:35:06 -07:00
list.h [PATCH] Initial namedev parsing of config files 2005-04-26 21:01:38 -07:00
logging.h [PATCH] overall trivial trivial cleanup 2005-04-26 21:35:08 -07:00
Makefile [PATCH] 022_bk tag 2005-04-26 21:35:10 -07:00
namedev_parse.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
namedev.c [PATCH] uninitialized variable for mknod and friend 2005-04-26 21:35:10 -07:00
namedev.h [PATCH] cleanup callout fork 2005-04-26 21:35:09 -07:00
README [PATCH] Add initial SELinux support for udev 2005-04-26 21:32:31 -07:00
TODO [PATCH] update the TODO list as we already have a devfs config file. 2005-04-26 21:35:07 -07:00
udev_config.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udev_dbus.c [PATCH] udev - safer string handling all over the place 2005-04-26 21:32:30 -07:00
udev_dbus.h [PATCH] move all of the DBUS logic into one file and remove all of the #ifdef crud from the main code. 2005-04-26 21:13:06 -07:00
udev_lib.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udev_lib.h [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udev_selinux.c [PATCH] Add initial SELinux support for udev 2005-04-26 21:32:31 -07:00
udev_selinux.h [PATCH] Add initial SELinux support for udev 2005-04-26 21:32:31 -07:00
udev-add.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udev-remove.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udev.8 [PATCH] Trivial man page typo fixes to udev 2005-04-26 21:35:10 -07:00
udev.c [PATCH] don't init namedev on remove 2005-04-26 21:35:10 -07:00
udev.h [PATCH] first stupid try for a rule compose gui 2005-04-26 21:35:10 -07:00
udev.spec [PATCH] 022_bk tag 2005-04-26 21:35:10 -07:00
udevd.8 [PATCH] man page beauty 2005-04-26 21:35:08 -07:00
udevd.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udevd.h [PATCH] udev - safer string handling - part three 2005-04-26 21:32:30 -07:00
udevdb.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udevdb.h [PATCH] udev - reverse user query options 2005-04-26 21:13:17 -07:00
udevinfo.8 [PATCH] man page beauty 2005-04-26 21:35:08 -07:00
udevinfo.c [PATCH] first stupid try for a rule compose gui 2005-04-26 21:35:10 -07:00
udevruler.c [PATCH] first stupid try for a rule compose gui 2005-04-26 21:35:10 -07:00
udevsend.c [PATCH] replace fgets() with mmap() and introduce udev_lib.[hc] 2005-04-26 21:35:10 -07:00
udevstart.8 [PATCH] man page beauty 2005-04-26 21:35:08 -07:00
udevstart.c [PATCH] udevstart fixes 2005-04-26 21:35:08 -07:00
udevtest.8 [PATCH] make udevtest a real program :) 2005-04-26 21:35:10 -07:00
udevtest.c [PATCH] fix udevtest to build properly after the big udev_lib change. 2005-04-26 21:35:10 -07:00

udev - a userspace implementation of devfs

For more information on the design, and structure of this project, see the
files in the docs/ directory.

To use:

- You must be running a 2.6 version of the Linux kernel.

- Your 2.6 kernel must have had CONFIG_HOTPLUG enabled when it was built.

- Make sure sysfs is mounted.  udev will figure out where sysfs is mounted, but
  the traditional place for it is at /sys.  You can mount it by hand by running:
  	mount -t sysfs none /sys

- Make sure you have the latest version of the linux-hotplug scripts.  They are
  available at linux-hotplug.sf.net or from your local kernel.org mirror at:
	kernel.org/pub/linux/utils/kernel/hotplug/
  They are required in order for udev to work properly.

  If for some reason you do not install the hotplug scripts, you must tell the
  kernel to point the hotplug binary at wherever you install udev at.  This can
  be done by:
	echo "/sbin/udev" > /proc/sys/kernel/hotplug

- Build the project:
	make

  Note:
      There are a number of different flags that you can use when building
      udev.  They are as follows:
	prefix
		set this to the default root that you want udev to be
		installed into.  This works just like the 'configure --prefix'
		script does.  Default value is ''.  Only override this if you
		really know what you are doing.
	USE_KLIBC
		if set to 'true', udev is built and linked against the
		included version of klibc.  Default value is 'false'.
	USE_LOG
		if set to 'true', udev will emit messages to the syslog when
		it creates or removes device nodes.  This is helpful to see
		what udev is doing.  This is enabled by default.  Note, if you
		are building udev against klibc it is recommended that you
		disable this option (due to klibc's syslog implementation.)
	USE_DBUS
		if set to 'true', DBUS messages will be sent everytime udev
		creates or removes a device node.  This requires that DBUS
		development headers and libraries be present on your system to
		build properly.  Default value is 'false'.
	USE_SELINUX
		if set to 'true', SELinux support for udev will be built in.
		This requires that SELinux development headers and libraries be
		present on your system to build properly.  Default value is
		'false'.
	DEBUG
		if set to 'true', debugging messages will be sent to the syslog
		as udev is run.  Default value is 'false'.
	KERNEL_DIR
		If this is not set it will default to /lib/modules/`uname -r`/build
		This is used if USE_KLIBC=true to find the kernel include
		directory that klibc needs to build against.  This must be set
		if you are not building udev while running a 2.6 kernel.

      So, if you want to build udev using klibc with debugging messages, you
      would do:
	make USE_KLIBC=true DEBUG=true

- Install the project:
	make install

  This will put the udev binary in /sbin, create the /udev and /etc/udev
  directories, and place the udev configuration files in /etc/udev.  You
  will probably want to edit the namedev.* files to create custom naming
  rules.  More info on how the config files are set up are contained in
  comments in the files, and is located in the documentation.

- Add and remove devices from the system and marvel as nodes are created
  and removed in /udev/ based on the device types.

- If you later get sick of it, uninstall it:
	make uninstall


Things are still quite rough, but it should work properly.  If nothing
seems to happen, make sure your build worked properly by running the
udev-test.pl script as root in the test/ subdirectory of the udev source
tree.

Development and documentation help is very much appreciated, see the TODO
file for a list of things left to be done.


Any comment/questions/concerns please let me and the other udev developers
know by sending a message to the linux-hotplug-devel mailing list at:
	linux-hotplug-devel@lists.sourceforge.net

greg k-h
greg@kroah.com