From: Jens Axboe <jens.axboe@oracle.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Eric Dumazet <dada1@cosmosbay.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/18] splice: abstract out actor data
Date: Wed, 13 Jun 2007 10:48:50 +0200 [thread overview]
Message-ID: <20070613084850.GA18832@kernel.dk> (raw)
In-Reply-To: <1181724531.7348.338.camel@twins>
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@oracle.com> 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
next prev parent reply other threads:[~2007-06-13 8:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-12 6:57 [PATCH 0/18] Convert sendfile to splice Jens Axboe
2007-06-12 6:57 ` [PATCH 1/18] splice: abstract out actor data Jens Axboe
2007-06-12 15:31 ` Eric Dumazet
2007-06-12 16:22 ` Jens Axboe
2007-06-13 8:48 ` Peter Zijlstra
2007-06-13 8:48 ` Jens Axboe [this message]
2007-06-12 6:57 ` [PATCH 2/18] vmsplice: add vmsplice-to-user support Jens Axboe
2007-06-12 6:57 ` [PATCH 3/18] sys_sendfile: switch to using ->splice_read, if available Jens Axboe
2007-06-12 6:58 ` [PATCH 4/18] sendfile: remove .sendfile from filesystems that use generic_file_sendfile() Jens Axboe
2007-06-12 6:58 ` [PATCH 5/18] sendfile: kill generic_file_sendfile() Jens Axboe
2007-06-12 6:58 ` [PATCH 6/18] splice: add void cookie to the actor data Jens Axboe
2007-06-12 6:58 ` [PATCH 7/18] loop: convert to using splice_direct_to_actor() instead of sendfile() Jens Axboe
2007-06-12 6:58 ` [PATCH 8/18] sendfile: convert nfs to using splice_read() Jens Axboe
2007-06-12 6:58 ` [PATCH 9/18] sendfile: convert nfsd to splice_direct_to_actor() Jens Axboe
2007-06-12 6:58 ` [PATCH 10/18] splice: relay support Jens Axboe
2007-06-12 6:58 ` [PATCH 11/18] splice: divorce the splice structure/function definitions from the pipe header Jens Axboe
2007-06-12 6:58 ` [PATCH 12/18] pipe: allow passing around of ops private pointer Jens Axboe
2007-06-12 6:58 ` [PATCH 13/18] relay: use splice_to_pipe() instead of open-coding the pipe loop Jens Axboe
2007-06-12 6:58 ` [PATCH 14/18] shmem: convert to using splice instead of sendfile() Jens Axboe
2007-06-12 6:58 ` [PATCH 15/18] sendfile: remove bad_sendfile() from bad_file_ops Jens Axboe
2007-06-12 6:58 ` [PATCH 16/18] splice: completely document external interface with kerneldoc Jens Axboe
2007-06-12 6:58 ` [PATCH 17/18] ext2 xip: replace sendfile with splice Jens Axboe
2007-06-12 6:58 ` [PATCH 18/18] Remove remnants of sendfile() Jens Axboe
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