Re: [BUG] Big fiability issue?

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On 2016-04-05 at 17:43 +0200, Edward Shishkin wrote:
> Hello Mathieu,
> 
> I found that by default reiser4 still relies on a block layer
> feature,
> which is not longer supported. This is so-called "barriers". And yes,
> on the power outage bad things are bound to happen. However, it
> is up to bad luck.

Hm. Write barriers are not supported? `man mount | grep barrier` yields
many results... or are they different barriers?

--
Ivan Shapovalov / intelfx /

> 
> The attached patch removes the rest of block barriers support in
> reiser4. So, now we honestly wait for IO completion of wandered
> blocks (overwrite set) before submitting a journal header (journal
> footer).
> 
> Not sure if it will address your problem though. Also, data
> corruption
> after rw-mounting of checked (rebuild-fs) partition is still a
> concern.
> 
> Thanks,
> Edward.

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