Re: [PATCH v5 1/1] Allow non-extending parallel direct writes on the same file.

[Miklos Szeredi]

On Fri, 17 Jun 2022 at 09:10, Dharmendra Singh <dharamhans87@xxxxxxxxx> wrote:

> This patch relaxes the exclusive lock for direct non-extending writes
> only. File size extending writes might not need the lock either,
> but we are not entirely sure if there is a risk to introduce any
> kind of regression. Furthermore, benchmarking with fio does not
> show a difference between patch versions that take on file size
> extension a) an exclusive lock and b) a shared lock.

I'm okay with this, but ISTR Bernd noted a real-life scenario where
this is not sufficient.  Maybe that should be mentioned in the patch
header?

Thanks,
Miklos