0001 What: /sys/dev
0002 Date: April 2008
0003 KernelVersion: 2.6.26
0004 Contact: Dan Williams <dan.j.williams@intel.com>
0005 Description: The /sys/dev tree provides a method to look up the sysfs
0006 path for a device using the information returned from
0007 stat(2). There are two directories, 'block' and 'char',
0008 beneath /sys/dev containing symbolic links with names of
0009 the form "<major>:<minor>". These links point to the
0010 corresponding sysfs path for the given device.
0011
0012 Example::
0013
0014 $ readlink /sys/dev/block/8:32
0015 ../../block/sdc
0016
0017 Entries in /sys/dev/char and /sys/dev/block will be
0018 dynamically created and destroyed as devices enter and
0019 leave the system.
0020
0021 Users: mdadm <linux-raid@vger.kernel.org>