linux-kernel - Re: [PATCH] doc:lock: remove reference to clever use of read-write lock

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Date:   Mon, 2 Sep 2019 19:38:22 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Jonathan Corbet <corbet@....net>
Cc:     Federico Vaga <federico.vaga@...a.pv.it>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH] doc:lock: remove reference to clever use of read-write
 lock

On Mon, Sep 02, 2019 at 02:21:33PM -0600, Jonathan Corbet wrote:
> On Mon, 02 Sep 2019 21:19:24 +0200
> Federico Vaga <federico.vaga@...a.pv.it> wrote:
> 
> > > > I am not used to the mathematical English jargon. It make sense, but then
> > > > I
> > > > would replace it with "If and only if": for clarity.  
> > > 
> > > While it's used in a number of places and it's pretty common wording
> > > overall in the literature, I agree that we should probably change this in
> > > locking API user facing documentation.  
> > 
> > I would say not only in locking/. The argument is valid for the entire 
> > Documentation/. I wait for Jon's opinion before proceeding.
> 
> I don't really have a problem with "iff"; it doesn't seem like *that*
> obscure a term to me.  But if you want spell it out, I guess I don't have
> a problem with that.  We can change it - iff you send a patch to do it :)

$ git grep -iwc iff Documentation
Documentation/admin-guide/cgroup-v1/blkio-controller.rst:1
Documentation/admin-guide/cgroup-v1/cgroups.rst:1
Documentation/admin-guide/cgroup-v1/freezer-subsystem.rst:2
Documentation/admin-guide/cgroup-v2.rst:1
Documentation/devicetree/bindings/media/st-rc.txt:2
Documentation/devicetree/bindings/net/ibm,emac.txt:5
Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt:1
Documentation/driver-api/libata.rst:1
Documentation/features/scripts/features-refresh.sh:1
Documentation/filesystems/directory-locking:1
Documentation/i2c/i2c-topology:3
Documentation/ioctl/hdio.rst:1
Documentation/locking/spinlocks.rst:1
Documentation/locking/ww-mutex-design.rst:1
Documentation/scsi/scsi_eh.txt:2
Documentation/spi/spidev:2
Documentation/trace/ring-buffer-design.txt:1
Documentation/virt/kvm/api.txt:1
Documentation/virt/kvm/halt-polling.txt:1

(29 total)

Of course that doesn't count any in kernel-doc.