Re: [PATCH 1/18] splice: abstract out actor data

From: Jens Axboe
Date: Wed Jun 13 2007 - 04:51:26 EST


On Wed, Jun 13 2007, Peter Zijlstra wrote:
> On Tue, 2007-06-12 at 18:22 +0200, Jens Axboe wrote:
> > On Tue, Jun 12 2007, Eric Dumazet wrote:
> > > On Tue, 12 Jun 2007 08:57:57 +0200
> > > Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:
> > >
> > >
> > > > + struct splice_desc sd = {
> > > > + .total_len = len,
> > > > + .flags = flags,
> > > > + .pos = *ppos,
> > > > + };
> > > > +
> > > > + sd.file = out;
> > >
> > > minor remark, why sd.file is setup differently than other fields ?
> > >
> > > (this several times on this patch)
> >
> > yeah, it's inside an anonymous union, and apparently gcc doesn't like it
> > being initialized that way.
>
> The one time I had such a situation something along the lines of:
>
> struct splice_desc sd = {
> .total_len = len,
> .flags = flags,
> .pos = *ppos,
> { .file = out },
> };
>
> worked.

OK, that looks pretty handy. But I just threw the towel into the ring
and named the union instead yesterday. The outside initialization of
file/userptr/data was an eyesore to me.

--
Jens Axboe

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