Re: [PATCH 7/7] Mini-OS: add read and write support to 9pfsfront

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Juergen Gross, le lun. 06 févr. 2023 11:17:27 +0100, a ecrit:
> On 06.02.23 11:13, Samuel Thibault wrote:
> > 
> > Juergen Gross, le ven. 03 févr. 2023 10:18:09 +0100, a ecrit:
> > > This patch is missing the limitation of read/write messages to stay
> > > below the max. supported message size.
> > 
> > It should at least be asserted.
> 
> It can easily be limited by returning the resulting limit as the
> number of processed bytes.

Strictly speaking, posix allows to return short reads, but that's
usually only handled by applications when they know that they may get
signals. I'd thus rather have read/write loop over the size.

Samuel