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From: Pavel Machek <pavel@ucw.cz>
To: Marco <marco.stornelli@gmail.com>
Cc: Tim Bird <tim.bird@am.sony.com>,
	Jamie Lokier <jamie@shareable.org>,
	Linux Embedded <linux-embedded@vger.kernel.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Linux FS Devel <linux-fsdevel@vger.kernel.org>,
	Daniel Walker <dwalker@soe.ucsc.edu>
Subject: Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem
Date: Mon, 22 Jun 2009 22:40:32 +0200	[thread overview]
Message-ID: <20090622204031.GA24236@elf.ucw.cz> (raw)
In-Reply-To: <4A3FC84A.6060608@gmail.com>

On Mon 2009-06-22 20:07:06, Marco wrote:
> Pavel Machek wrote:
> > On Mon 2009-06-22 10:31:28, Tim Bird wrote:
> >> Pavel Machek wrote:
> >>>>> How do you handle hard-links, then?
> >>>> Indeed hard-links are not supported :) Due to the design of this fs
> >>>> there are some limitations explained in the documentation as not
> >>>> hard-link, only private memory mapping and so on. However this
> >>>> limitations don't limit the fs itself because you must consider the
> >>>> special goal of this fs.
> >>> I did not see that in the changelog. If it is not general purpose
> >>> filesystem, it is lot less interesting.
> >> PRAMFS is not a general purpose filesystem. Please read
> >> the introductory post to this thread, or look at
> >> http://pramfs.sourceforge.net/ for more information.
> > 
> > Yeah, I seen that. It directly contradicts what you say.
> > 
> 
> I don't think, I think it's very clear:
> 
> "In summary, PRAMFS is a light-weight, full-featured, and
> space-efficient special filesystem that is ideal for systems with a

Except that it is not full-featured. No hardlinks. (What about ACLs, etc?)

> block of fast non-volatile RAM that need to access data on it using a
> standard filesytem interface."

Turns a block of fast RAM into 13MB/sec disk. Hmm. I believe you are
better with ext2.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2009-06-22 20:40 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-13 13:20 [PATCH 00/14] Pramfs: Persistent and protected ram filesystem Marco
2009-06-13 13:41 ` Daniel Walker
2009-06-13 15:59 ` Jamie Lokier
2009-06-14  7:15   ` Marco
2009-06-14 11:08     ` Artem Bityutskiy
2009-06-15 15:51       ` Bryan Henderson
2009-06-15 17:42         ` Marco
2009-06-14 11:46     ` Jamie Lokier
2009-06-14 16:04       ` Marco
2009-06-16 15:07         ` Jamie Lokier
2009-06-16 19:15           ` Marco
2009-06-24 17:41             ` Jamie Lokier
2009-06-25  6:44               ` Marco Stornelli
2009-06-26 11:30                 ` Jamie Lokier
2009-06-26 16:56                   ` Marco
2009-06-24 14:21                     ` Pavel Machek
2009-06-21  6:40     ` Pavel Machek
2009-06-21 17:34       ` Marco
2009-06-21 20:52         ` Pavel Machek
2009-06-22  6:33           ` Marco Stornelli
2009-06-22 17:20             ` Pavel Machek
2009-06-22 17:31               ` Tim Bird
2009-06-22 17:37                 ` Pavel Machek
2009-06-22 18:07                   ` Marco
2009-06-22 20:40                     ` Henrique de Moraes Holschuh
2009-06-22 20:40                     ` Pavel Machek [this message]
2009-06-22 21:50                       ` Tim Bird
2009-06-22 21:57                         ` Pavel Machek
2009-06-22 22:38                           ` Pavel Machek
2009-06-22 23:26                             ` Chris Friesen
2009-06-23  1:42                               ` David VomLehn
2009-06-23 18:07                           ` Marco
2009-06-23 18:29                             ` Pavel Machek
2009-06-24 17:47                               ` Jamie Lokier
2009-06-25  6:32                                 ` Marco Stornelli
2009-06-22 18:55                   ` Tim Bird
2009-06-22 21:02                     ` Pavel Machek
2009-06-22 22:02                       ` Tim Bird
2009-06-22 18:08                 ` Marco
2009-06-15 17:15 ` Tim Bird
2009-06-15 17:44   ` Marco
2009-06-15 17:58     ` Tim Bird
2009-06-17 18:32 ` Chris Friesen
2009-06-18  6:35   ` Marco Stornelli
     [not found] <4a4254e2.09c5660a.109d.46f8@mx.google.com>
2009-06-24 16:49 ` Marco
2009-06-24 17:38   ` Marco
2009-06-24 17:59     ` Pavel Machek
2009-06-25  6:30       ` Marco Stornelli
2009-06-28  8:59         ` Pavel Machek
2009-06-28 16:44           ` Marco Stornelli
2009-06-28 17:33           ` Marco Stornelli
2009-07-09 23:42             ` Pavel Machek
2009-06-24 17:46   ` Pavel Machek

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