svn commit: r265132 - in head: share/man/man4 sys/dev/null

[Jung-uk Kim]

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On 2014-04-30 15:38:18 -0400, ?? wrote:
> On 2014-04-30 02:20:48 -0400, ?? wrote:
>> Author: eadler Date: Wed Apr 30 06:20:48 2014 New Revision:
>> 265132 URL: http://svnweb.freebsd.org/changeset/base/265132
>> 
>> Log: Add a /dev/full device.
>> 
>> /dev/full is similar to /dev/zero except it always returns ENOSPC
>> when you attempt to write to it.
>> 
>> Reviewed by:	jhibbits Discussed with:	rpaulo
> ... Please see lindev(4).

I guess I wasn't loud enough.  We already had the exact same feature
via lindev(4).  In fact, now it panics if we load both, i.e.,
"make_dev_credv: bad si_name (error=17, si_name=full)".  Please see
sys/dev/lindev/full.c.  Also, the manual page is still symlinked from
lindev.4.

% grep -n 'full\.4' share/man/man4/Makefile
822:MLINKS+=lindev.4 full.4

If we're really making it a standard feature, then lindev must be
removed (or at least disconnected from build), __FreeBSD_version must
be bumped, and a new UPDATING entry for the change is required.

Jung-uk Kim
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