From: Josh Triplett <josh@joshtriplett.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Pieter Smith <pieter@boesman.nl>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Eric Paris <eparis@redhat.com>, Matt Turner <mattst88@gmail.com>,
Michal Hocko <mhocko@suse.cz>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Fabian Frederick <fabf@skynet.be>, Tejun Heo <tj@kernel.org>,
????????? <zhenglong.cai@cs2c.com.cn>,
"Luis R. Rodriguez" <mcgrof@suse.com>,
Peter Foley <pefoley2@pefoley.com>,
Konstantin Khlebnikov <koct9i@gmail.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"H. Peter Anvin" <hpa@zytor.com>, Oleg Nesterov <oleg@redhat.com>,
Andy Lutomirski <luto@amacapital.net>,
David Herrmann <dh.herrmann@gmail.com>,
Kees Cook <keescook@chromium.org>,
linux-fsdevel@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>,
"open list:ABI/API" <linux-api@vger.kernel.org>
Subject: Re: [PATCH 2/2] fs: Support compiling out sendfile
Date: Tue, 21 Oct 2014 02:04:22 -0700 [thread overview]
Message-ID: <20141021090421.GB17604@thin> (raw)
In-Reply-To: <20141021075154.GB10020@infradead.org>
On Tue, Oct 21, 2014 at 12:51:54AM -0700, Christoph Hellwig wrote:
> On Mon, Oct 20, 2014 at 03:24:22PM -0700, josh@joshtriplett.org wrote:
> > On Mon, Oct 20, 2014 at 11:48:37PM +0200, Pieter Smith wrote:
> > > Many embedded systems will not need this syscall, and omitting it
> > > saves space. Add a new EXPERT config option CONFIG_SENDFILE_SYSCALL
> > > (default y) to support compiling it out.
> >
> > Nice work, thanks!
> >
> > If there are no objections, and nobody has a tree they'd rather carry
> > this through, I'll take the series through the tiny tree when it's ready
> > to merge.
>
> I think it's rather pointless - there is very little sendfile code,
> so you'd rather want to disable splice.
That's the plan, but since sendfile depends on some of the splice bits,
sendfile needs to be optional as well; SENDFILE_SYSCALL will then select
SPLICE_SYSCALLS.
- Josh Triplett
next prev parent reply other threads:[~2014-10-21 9:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 21:48 [PATCH 1/2] fs: Moved sendfile syscall to own source file Pieter Smith
[not found] ` <1413841728-1313-1-git-send-email-pieter-qeJ+1H9vRZbz+pZb47iToQ@public.gmane.org>
2014-10-20 21:48 ` [PATCH 2/2] fs: Support compiling out sendfile Pieter Smith
2014-10-20 21:48 ` Pieter Smith
2014-10-20 21:48 ` Pieter Smith
2014-10-20 22:24 ` josh
2014-10-21 7:51 ` Christoph Hellwig
2014-10-21 7:51 ` Christoph Hellwig
2014-10-21 9:04 ` Josh Triplett [this message]
2014-10-21 9:13 ` Christoph Hellwig
2014-10-21 9:50 ` Josh Triplett
[not found] ` <54467D9C.2030302@zytor.com>
[not found] ` <20141021171814.GA14704@cloud>
2014-10-21 17:20 ` Eric Paris
2014-10-20 22:03 ` [PATCH 1/2] fs: Moved sendfile syscall to own source file josh
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