Subject: Re: [PATCH RFC 04/13] vhost: cleanup fetch_buf return code handling

From: "Michael S. Tsirkin" <[email-masked]>
Date: Thu, 4 Jun 2020 05:01:12 -0400

On Wed, Jun 03, 2020 at 03:29:02PM +0800, Jason Wang wrote:
> 
> On 2020/6/2 下午9:06, Michael S. Tsirkin wrote:
> > Return code of fetch_buf is confusing, so callers resort to
> > tricks to get to sane values. Let's switch to something standard:
> > 0 empty, >0 non-empty, <0 error.
> > 
> > Signed-off-by: Michael S. Tsirkin<[email-masked]>
> > ---
> >   drivers/vhost/vhost.c | 24 ++++++++++++++++--------
> >   1 file changed, 16 insertions(+), 8 deletions(-)
> 
> 
> Why not squashing this into patch 2 or 3?
> 
> Thanks

It makes the tricky patches smaller. I'll consider it,
for now this split is also because patches 1-3 have
already been tested.

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MST