linux-kernel - Re: [patch 1/9] signalfd/timerfd v1

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Message-ID: <Pine.LNX.4.64.0703091614230.3761@alien.or.mcafeemobile.com>
Date:	Fri, 9 Mar 2007 16:18:25 -0800 (PST)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [patch 1/9] signalfd/timerfd v1 - anonymoush inode source ...

On Sat, 10 Mar 2007, Jan Engelhardt wrote:

> 
> On Mar 9 2007 15:39, Davide Libenzi wrote:
> >
> >This patch add an anonymous inode source, to be used for files that need 
> >and inode only in order to create a file*. We do not care of having an 
> >inode for each file, and we do not even care of having different names in 
> >the associated dentries (dentry names will be same for classes of file*).
> >This allow code reuse, and will be used by epoll, signalfd and timerfd 
> >(and whatever else there'll be).
> 
> Perhaps procfs?

But procfs needs real inodes and dentries. The reason of the anonymous 
inode source patch, is to 1) avoid code duplication (setup code is 
basically identical for all those file types) 2) save memory for inodes in 
all those pseudo-files like epoll, signalfd, timerfd, ...



- Davide


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