sys/sys/conf.h:

sys/kern/kern_conf.c:
	Add make_dev_physpath_alias().  This interface takes
	the parent cdev of the alias, an old alias cdev (if any)
	to replace with the newly created alias, and the physical
	path string.  The alias is visiable as a symlink to the
	parent, with the same name as the parent, rooted at
	physpath in devfs.

	Note: make_dev_physpath_alias() has hard coded knowledge of the
	      Solaris style prefix convention for physical path data,
	      "id1,".  In the future, I expect the convention to change
	      to allow "physical path quality" to be reported in the
	      prefix.  For example, a physical path based on NewBus
	      topology would be of "lower quality" than a physical path
	      reported by a device enclosure.

Sponsored by:	Spectra Logic Corporation

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