Re: [fuse-devel] question about fuse_operations.read

[Kobi Cohen-A. <kob...@gm...>]

On Fri, Jun 29, 2012 at 7:55 AM, Miklos Szeredi <mi...@sz...> wrote:

> Gao feng <ga...@cn...> writes:
>
> > Hi
> >
> > Sorry for disturb you.
> > I don't know if this mail-list is the right place to ask this question.
> >
> > I am trying to use fuse to provide some functions like proc filesystem.
> > I want to display the file's context dynamically in fuse_operations.read,
> > so I don't know what is the value of file's st_size in
> fuse_operations.getattr should
> > be set.
>
> Set st_size to zero (just like proc files) and use the '-odirect_io'
> option.
>

Quick question - what exactly happens under the hood when you set size to 0
and use direct_io?

Thanks,
Kobi


> Thanks,
> Miklos
>
>
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