linux-kernel - Re: [git pull] vfs.git regression fix Re: Regression related to ipc shmctl compat

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Date:   Mon, 16 Oct 2017 07:41:12 -0400
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Al Viro <viro@...iv.linux.org.uk>, Kyle Huey <me@...ehuey.com>,
        open list <linux-kernel@...r.kernel.org>,
        "Robert O'Callahan" <robert@...llahan.org>
Subject: Re: [git pull] vfs.git regression fix Re: Regression related to ipc
 shmctl compat

On Sun, Oct 15, 2017 at 2:58 AM, Pavel Machek <pavel@....cz> wrote:
>
> up is quite short and not-specific for global symbol. Rename to mutex_up?

Well, it is quite the traditional name in the OS community and in
Linux it goes back to before the 1.0 release.

We've got about 450 each of the up() and the down() (with varieties:
down_interruptible/killable/trylock), so I guess it wouldn't be *too*
painful to change them.

The prefix wouldn't be "mutex_", though, these are the traditional old
counting semaphores.

              Linus