linux-kernel - Re: [PATCH v2 1/2] vfs: Define new syscall getumask.

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Date:	Wed, 13 Apr 2016 07:02:00 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	"Richard W.M. Jones" <rjones@...hat.com>
Cc:	Cyrill Gorcunov <gorcunov@...il.com>, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	akpm@...ux-foundation.org, luto@...nel.org,
	viro@...iv.linux.org.uk, mathieu.desnoyers@...icios.com,
	zab@...hat.com, emunson@...mai.com, paulmck@...ux.vnet.ibm.com,
	aarcange@...hat.com, josh@...htriplett.org, xemul@...allels.com,
	sfr@...b.auug.org.au, milosz@...in.com, rostedt@...dmis.org,
	arnd@...db.de, ebiederm@...ssion.com, iulia.manda21@...il.com,
	dave.hansen@...ux.intel.com, mguzik@...hat.com,
	adobriyan@...il.com, dave@...olabs.net, linux-api@...r.kernel.org,
	fw@...eb.enyo.de
Subject: Re: [PATCH v2 1/2] vfs: Define new syscall getumask.

On Wed, Apr 13, 2016 at 02:57:08PM +0100, Richard W.M. Jones wrote:
> On Wed, Apr 13, 2016 at 04:20:32PM +0300, Cyrill Gorcunov wrote:
> > On Wed, Apr 13, 2016 at 01:57:51PM +0100, Richard W.M. Jones wrote:
> > > Define a system call for reading the current umask value.
> > > 
> > > Signed-off-by: Richard W.M. Jones <rjones@...hat.com>
> > 
> > Btw don't we have to declare it in include/uapi/asm-generic/unistd.h as well?
> 
> Yes, I think I do.  I was following pwritev2 which wasn't added
> to this file, but other recent system calls (mlock2, copy_file_range)
> were added.

Indeed.  I'll send a patch to wire up pread/writev2, sorry for causing
your conflicts, but adding syscalls is a bit of a mess.