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Date: Thu, 1 Aug 2013 17:26:18 +0400
From: Lev Serebryakov <lev@FreeBSD.org>
Organization: FreeBSD Project
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To: Luca Ferrari <fluca1978@infinito.it>
Subject: Re: How to disable all GEOM tasting?
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Cc: Rotate 13 <rabgvzr@gmail.com>, Brooks Davis <brooks@freebsd.org>,
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Hello, Luca.
You wrote 1 =C1=D7=C7=D5=D3=D4=C1 2013 =C7., 13:16:30:

>> LF> However, I don't get the whole point in disabling tasting: it is
>> LF> required for proper system functioning.
>>    Presence of a lot (and "a lot" could mean THOUSANDS -- think about re=
gular ZVOLs
>>  snapshots on iSCSI-used NAS) of "foreign" "block devices".

LF> Uhm...but in such case the class should have a g_taste set to NULL to
LF> avoid tasting on itself. What I was saying is that disabling taste
LF> system wide (i.e., in the geom subsystem) cannot work.
LF> Am I wrong?
  system-wide is bad idea, but it is the case when user want to disable SOME
 tasting. For example, all these snapshots should not be tasted by anything,
 but, MAYBE, DEV GEOM. And, maybe, even not by DEV GEOM -- typically they
 should not be seen in /dev in "normal" life.

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>