Re: [PATCH 00/11] fuse: convert to using folios and iomap

[Josef Bacik <josef@toxicpanda.com>]

On Tue, Aug 27, 2024 at 11:36:56PM +0200, Bernd Schubert wrote:
> Hi Josef,
> 
> On 8/27/24 22:45, Josef Bacik wrote:
> > Hello,
> > 
> > This is a prep series for my work to enable large folios on fuse.  It has two
> > dependencies, one is Joanne's writeback clean patches
> > 
> > https://lore.kernel.org/linux-fsdevel/20240826211908.75190-1-joannelkoong@gmail.com/
> > 
> > and an iomap patch to allow us to pass the file through the buffered write path
> > 
> > https://lore.kernel.org/linux-fsdevel/7f55c7c32275004ba00cddf862d970e6e633f750.1724755651.git.josef@toxicpanda.com/
> > 
> > I've run these through an fstests run with passthrough_hp --direct-io,
> > everything looks good.
> 
> why with --direct-io? It is not exactly O_DIRECT, but also not that far
> away - don't you want to stress read-ahead and page cache usage on write?
> I typically run with/without --direct-io, but disable passthrough.
> 

I got distracted halfway through writing this email, I meant to write "with
passthrough_hp with and without --direct-io".  I have to run with --direct-io
otherwise generic/097 hangs because of a fio bug (I really need to go fix that).
Thanks,

Josef