netdev - Re: [PATCH 1/4] fs: Implement close-on-fork

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Date:   Thu, 23 Apr 2020 12:34:09 +0000
From:   Bernd Petrovitsch <bernd@...rovitsch.priv.at>
To:     David Laight <David.Laight@...LAB.COM>,
        "Karstens, Nate" <Nate.Karstens@...min.com>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Jeff Layton <jlayton@...nel.org>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Arnd Bergmann <arnd@...db.de>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-alpha@...r.kernel.org" <linux-alpha@...r.kernel.org>,
        "linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
        "sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Changli Gao <xiaosuo@...il.com>
Subject: Re: [PATCH 1/4] fs: Implement close-on-fork

Hi all!

On 22/04/2020 16:55, David Laight wrote:
> From: Bernd Petrovitsch
>> Sent: 22 April 2020 17:32
> ...
>> Apart from that, system() is a PITA even on
>> single/non-threaded apps.
> 
> Not only that, it is bloody dangerous because (typically)
> shell is doing post substitution syntax analysis.

I actually meant exactly that with PITA;-)

> If you need to run an external process you need to generate
> an arv[] array containing the parameters.

FullACK. That is usually similar trivial ...

MfG,
	Bernd
-- 
There is no cloud, just other people computers.
-- https://static.fsf.org/nosvn/stickers/thereisnocloud.svg

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