linux-kernel - Re: [PATCH] block drivers/block: Use octal not symbolic permissions

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Date:   Thu, 24 May 2018 06:01:02 -0700
From:   Joe Perches <joe@...ches.com>
To:     Jens Axboe <axboe@...nel.dk>, "Ed L. Cashin" <ed.cashin@....org>,
        Philipp Reisner <philipp.reisner@...bit.com>,
        Lars Ellenberg <lars.ellenberg@...bit.com>,
        Jiri Kosina <jikos@...nel.org>,
        Josef Bacik <josef@...icpanda.com>,
        linux-block@...r.kernel.org, Ilya Dryomov <idryomov@...il.com>,
        Sage Weil <sage@...hat.com>, Alex Elder <elder@...nel.org>,
        Philip Kelleher <pjk1939@...ux.vnet.ibm.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Roger Pau Monné <roger.pau@...rix.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>
Cc:     linux-kernel@...r.kernel.org, drbd-dev@...ts.linbit.com,
        nbd@...er.debian.org, ceph-devel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH] block drivers/block: Use octal not symbolic permissions

On Thu, 2018-05-24 at 06:47 -0600, Jens Axboe wrote:
> On 5/23/18 4:35 PM, Joe Perches wrote:
> > On Wed, 2018-05-23 at 15:27 -0600, Jens Axboe wrote:
> > > On 5/23/18 2:05 PM, Joe Perches wrote:
> > > > Convert the S_<FOO> symbolic permissions to their octal equivalents as
> > > > using octal and not symbolic permissions is preferred by many as more
> > > > readable.
> > > > 
> > > > see: https://lkml.org/lkml/2016/8/2/1945
> > > > 
> > > > Done with automated conversion via:
> > > > $ ./scripts/checkpatch.pl -f --types=SYMBOLIC_PERMS --fix-inplace <files...>
> > > > 
> > > > Miscellanea:
> > > > 
> > > > o Wrapped modified multi-line calls to a single line where appropriate
> > > > o Realign modified multi-line calls to open parenthesis
> > > 
> > > Honestly, I see this as pretty needless churn.
> > 
> > btw:
> > 
> > There is currently a mixture of symbolic and octal
> > permissions uses in block and drivers/block
> > 
> > ie: 94 octal and 146 symbolic uses.
> > 
> > If this is applied, all would become octal.
> 
> That does help justify the change. My main worry here is creating
> unnecessary conflicts, which is always annoying. But it's even more
> annoying when the change creating the conflict isn't really that
> important at all. Case in point, the patch doesn't apply to the
> for-4.18/block branch that it should go into...

Done against most recent -next as it's basically impossible
to do anything against multiple private trees.

Also, the script that generated the patch is in the changelog
so it's simple to rerun.