Re: [PATCH] fuse: enable larger read buffers for readdir.

[Bernd Schubert]

On 7/27/23 21:21, Miklos Szeredi wrote:
> On Wed, 26 Jul 2023 at 20:40, Jaco Kroon <jaco@xxxxxxxxx> wrote:
>
> > Will look into FUSE_INIT.  The FUSE_INIT as I understand from what I've
> > read has some expansion constraints or the structure is somehow
> > negotiated.  Older clients in other words that's not aware of the option
> > will follow some default.  For backwards compatibility that default
> > should probably be 1 page.  For performance reasons it makes sense that
> > this limit be larger.
>
> Yes, might need this for backward compatibility.  But perhaps a
> feature flag is enough and the readdir buf can be limited to
> fc->max_read.

fc->max_read is set by default to ~0 and only set to something else when 
the max_read mount option is given? So typically that is a large value 
(UINT_MAX)?


Thanks,
Bernd