On Sun, 2011-11-20 at 14:14 +0800, Lan, Tianyu wrote:
> > OK. Thx.
> > But fsync is too slow. I try to find a way to sync a range of file.
> > Are there any solutions to meet my purpose?
On Sun, 2011-11-20 at 08:23 +0200, Sasha Levin wrote:
> fdatasync() is as good as it'll get.
>
> tbh, maybe we should just consider opening QCOW images with O_SYNC and
> just get it over with?
No, lets not do that. It's easier to improve the performance of correct
code that doesn't use O_SYNC.
Pekka
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