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Re: Locking in disk(9) api
On 29 Dec 2009, at 0:49, matthew green wrote:
> after thinking about this during the afternoon, i'm more convinced
> that the current method is OK.
I agree with that for two reasons:
1.) It seems correct for an architecture point of view. The disk(9) data
is IMHO just another bit of driver instance data which should be
protected by the driver.
2.) It makes the back-port of the "dm" driver to "netbsd-5" easier.
> dm(4) just needs a little fix, and
> i'm aware that adam has already sent a test patch for tron.
The patch seems to do the job. My stress test (un-tarring a lot of NetBSD
to two LVM volumes at the same time) completed without problems with the
modified "dm" driver.
Matthias Scheler http://zhadum.org.uk/
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