[stgt] [PATCH] SSC: dont fsync() on each written block. Do one single fsync() when file is closed in FILEMARK
fujita.tomonori at lab.ntt.co.jp
Mon Jan 23 00:01:29 CET 2012
On Sun, 22 Jan 2012 07:59:03 +1100
ronnie sahlberg <ronniesahlberg at gmail.com> wrote:
> Thanks Mark,
> That was my understanding from the SSC spec too, though I am not a tape guy.
> So, this means that the behaviour in the patch is standards compliant,
> and also what physical devices do.
> Destage to physical medium is only guaranteed to be completed once the
> WRITE-FILEMARK has finished.
> So we dont need to add any controls to activate/deactivate this new behaviour.
> We can just apply the current patch as-is and that is all we need to do.
I'd love the patch, but can anyone give me a pointer in the spec,
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