1*e105b8bfSDan WilliamsWhat:		/sys/dev
2*e105b8bfSDan WilliamsDate:		April 2008
3*e105b8bfSDan WilliamsKernelVersion:	2.6.26
4*e105b8bfSDan WilliamsContact:	Dan Williams <[email protected]>
5*e105b8bfSDan WilliamsDescription:	The /sys/dev tree provides a method to look up the sysfs
6*e105b8bfSDan Williams		path for a device using the information returned from
7*e105b8bfSDan Williams		stat(2).  There are two directories, 'block' and 'char',
8*e105b8bfSDan Williams		beneath /sys/dev containing symbolic links with names of
9*e105b8bfSDan Williams		the form "<major>:<minor>".  These links point to the
10*e105b8bfSDan Williams		corresponding sysfs path for the given device.
11*e105b8bfSDan Williams
12*e105b8bfSDan Williams		Example:
13*e105b8bfSDan Williams		$ readlink /sys/dev/block/8:32
14*e105b8bfSDan Williams		../../block/sdc
15*e105b8bfSDan Williams
16*e105b8bfSDan Williams		Entries in /sys/dev/char and /sys/dev/block will be
17*e105b8bfSDan Williams		dynamically created and destroyed as devices enter and
18*e105b8bfSDan Williams		leave the system.
19*e105b8bfSDan Williams
20*e105b8bfSDan WilliamsUsers:		mdadm <[email protected]>
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