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Message-ID: <20171102200616.GA631@castle.DHCP.thefacebook.com>
Date: Thu, 2 Nov 2017 16:06:20 -0400
From: Roman Gushchin <guro@...com>
To: Joe Perches <joe@...ches.com>
CC: <netdev@...r.kernel.org>, Tejun Heo <tj@...nel.org>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
<linux-kernel@...r.kernel.org>, <kernel-team@...com>,
"David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH v3 net-next 1/5] device_cgroup: add DEVCG_ prefix to
ACC_* and DEV_* constants
On Thu, Nov 02, 2017 at 10:54:12AM -0700, Joe Perches wrote:
> On Thu, 2017-11-02 at 13:15 -0400, Roman Gushchin wrote:
> > Rename device type and access type constants defined in
> > security/device_cgroup.c by adding the DEVCG_ prefix.
> >
> > The reason behind this renaming is to make them global namespace
> > friendly, as they will be moved to the corresponding header file
> > by following patches.
> []
> > diff --git a/security/device_cgroup.c b/security/device_cgroup.c
> []
> > @@ -14,14 +14,14 @@
> > #include <linux/rcupdate.h>
> > #include <linux/mutex.h>
> >
> > -#define ACC_MKNOD 1
> > -#define ACC_READ 2
> > -#define ACC_WRITE 4
> > -#define ACC_MASK (ACC_MKNOD | ACC_READ | ACC_WRITE)
> > +#define DEVCG_ACC_MKNOD 1
> > +#define DEVCG_ACC_READ 2
> > +#define DEVCG_ACC_WRITE 4
> > +#define DEVCG_ACC_MASK (DEVCG_ACC_MKNOD | DEVCG_ACC_READ | DEVCG_ACC_WRITE)
>
> trivia:
>
> major and minor are u32 but all the
> type and access uses seem to be "short"
>
> Perhaps u16 (or __u16 if uapi public) instead?
It was so for a while, and it doesn't seem to be related with this patchset.
So, I'd prefer to change this in a separate patch.
Thanks!
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