linux-kernel - Re: [PATCH 36/38] vfs: Add a sample program for the new mount API [ver #10]

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Message-ID: <4951.1533042037@warthog.procyon.org.uk>
Date:   Tue, 31 Jul 2018 14:00:37 +0100
From:   David Howells <dhowells@...hat.com>
To:     Pavel Machek <pavel@....cz>
Cc:     dhowells@...hat.com, Matthew Wilcox <willy@...radead.org>,
        "Theodore Y. Ts'o" <tytso@....edu>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 36/38] vfs: Add a sample program for the new mount API [ver #10]

Pavel Machek <pavel@....cz> wrote:

> Regexes do not work in presence of arbitrary strings in the
> message. If we had a way to tell start / end of string inserted in the
> message, yes, the problem would be solved.

You could use quotes around arbitrary insertions, ie. you always do '%s'
inside the kernel if %s doesn't correspond to a specific set of text
constants.

David