[dm-devel] [PATCH 0/4][RFC] dm-core: full barrier support
Milan Broz
mbroz at redhat.com
Mon Jan 12 13:01:16 UTC 2009
Mikulas Patocka wrote:
> I looked at the patches.
Thanks - the patchset was meant more like impulse to start discussion:-)
This implementation uses just simple idea to reuse dm suspend mechanism
for barrier processing.
> I have thought about it and written an implementation of asynchronous
> barriers --- it works by passing the requests to kdmflush and it returns
> immediatelly from dm_request. I'll post it in a few days.
Great. I'll wait for the patches then:)
The internal thread was added to DM devices mainly because of implementing
barriers but this intention was never finished...
Milan
--
mbroz at redhat.com
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