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Re: [dm-devel] [PATCH 0/4][RFC] dm-core: full barrier support



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 redhat com


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