linux-kernel - Re: [PATCH 2/2] fs: Support compiling out sendfile

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Message-ID: <20141021095043.GB18167@thin>
Date:	Tue, 21 Oct 2014 02:50:43 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Pieter Smith <pieter@...sman.nl>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Paris <eparis@...hat.com>,
	Matt Turner <mattst88@...il.com>,
	Michal Hocko <mhocko@...e.cz>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Fabian Frederick <fabf@...net.be>, Tejun Heo <tj@...nel.org>,
	????????? <zhenglong.cai@...c.com.cn>,
	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Peter Foley <pefoley2@...oley.com>,
	Konstantin Khlebnikov <koct9i@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"H. Peter Anvin" <hpa@...or.com>, Oleg Nesterov <oleg@...hat.com>,
	Andy Lutomirski <luto@...capital.net>,
	David Herrmann <dh.herrmann@...il.com>,
	Kees Cook <keescook@...omium.org>,
	linux-fsdevel@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>,
	"open list:ABI/API" <linux-api@...r.kernel.org>
Subject: Re: [PATCH 2/2] fs: Support compiling out sendfile

On Tue, Oct 21, 2014 at 02:13:56AM -0700, Christoph Hellwig wrote:
> On Tue, Oct 21, 2014 at 02:04:22AM -0700, Josh Triplett wrote:
> > 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.
> 
> Just include sendfile with the splice syscalls - we don't really need a
> config option for every obscure syscall.

No objection here.  Pieter, since you're planning to remove splice
anyway, can you just fold the two together under the same Kconfig
option?  That should simplify the patch series, since you won't need to
split the two.

- Josh Triplett
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