geom access method and g_topology_lock

[Poul-Henning Kamp]

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In message <50890251.8090402 at FreeBSD.org>, Andriy Gapon writes:

>Now need to think hard how to avoid doing that nasty thing...

Nothing prevents a GEOM from having multiple consumers attached to the
same provider.  That opens a lot of interesting options.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.