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

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Date:	Tue, 21 Oct 2014 02:13:56 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	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 02:04:22AM -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.

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