From: Linus Torvalds <torvalds@linux-foundation.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Jörn Engel" <joern@logfs.org>, "Ingo Molnar" <mingo@elte.hu>,
"David Brown" <lkml@davidb.org>,
"Phil Oester" <kernel@linuxace.com>,
"Kay Sievers" <kay.sievers@vrfy.org>,
"Phillip Lougher" <phillip@lougher.demon.co.uk>,
"Christoph Hellwig" <hch@infradead.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [GIT PULL] Squashfs pull request for 2.6.29
Date: Sat, 10 Jan 2009 10:30:23 -0800 (PST) [thread overview]
Message-ID: <alpine.LFD.2.00.0901101015290.6528@localhost.localdomain> (raw)
In-Reply-To: <20090110101235.7ca24c44.akpm@linux-foundation.org>
On Sat, 10 Jan 2009, Andrew Morton wrote:
>
> More importantly, the filesystem driver has to be able to read older
> filesystem instances. This is a userspace-visible binary interface!
> A really complex one.
Well, the good news is that read-only filesystems are _sooo_ much simpler
than any real filesystem that quite frankly, on a "complexity" scale it's
still way way down there.
Also, if it's not used for backup (and I don't think anybody would),
there's actually less reason to be back-wards compatible. I know I changed
cramfs a few times incompatibly, simply becaus "you might as well just
re-run the user tools to generate the image". It was for a similar need,
and the image really always goes along with the kernel.
I think squashfs usage would be similar - you'd not have squashfs as a
standalone media, it would be a "installation medium" thing.
Linus
next prev parent reply other threads:[~2009-01-10 18:31 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-08 16:48 [GIT PULL] Squashfs pull request for 2.6.29 Phillip Lougher
2009-01-08 16:50 ` Christoph Hellwig
2009-01-08 17:05 ` Phillip Lougher
2009-01-08 17:11 ` Geert Uytterhoeven
2009-01-08 23:55 ` H. Peter Anvin
2009-01-09 1:53 ` Andrew Morton
2009-01-09 2:11 ` Phillip Lougher
2009-01-09 2:24 ` Kay Sievers
2009-01-09 2:36 ` Phil Oester
2009-01-09 16:54 ` Jörn Engel
2009-01-09 19:37 ` David Brown
2009-01-09 21:19 ` Jörn Engel
2009-01-10 12:43 ` Ingo Molnar
2009-01-10 16:50 ` Jörn Engel
2009-01-10 18:12 ` Andrew Morton
2009-01-10 18:30 ` Linus Torvalds [this message]
2009-01-10 19:57 ` Jeff Garzik
2009-01-10 20:16 ` Leon Woestenberg
2009-01-11 6:36 ` Valdis.Kletnieks
2009-01-10 19:19 ` Olivier Galibert
2009-01-10 22:15 ` Ingo Molnar
2009-01-11 9:30 ` Geert Uytterhoeven
2009-01-11 15:39 ` Ingo Molnar
2009-01-11 16:30 ` Greg KH
2009-01-22 21:50 ` Dave Jones
2009-01-22 21:57 ` Randy Dunlap
2009-01-22 22:15 ` Greg KH
2009-01-22 21:58 ` Greg KH
2009-01-22 22:26 ` Ingo Molnar
2009-01-22 22:50 ` Kyle McMartin
2009-01-22 23:04 ` Greg KH
2009-01-22 23:25 ` Evgeniy Polyakov
2009-01-22 23:34 ` Kyle McMartin
2009-01-22 23:41 ` Ingo Molnar
2009-01-22 23:28 ` Evgeniy Polyakov
2009-01-22 22:16 ` Ingo Molnar
2009-01-22 22:24 ` Pekka Enberg
2009-01-23 0:16 ` Andrew Morton
2009-01-23 0:30 ` Greg KH
2009-01-09 2:30 ` Harvey Harrison
2009-01-09 11:25 ` KOSAKI Motohiro
2009-01-09 12:02 ` Alan Cox
2009-01-09 21:56 ` Linus Torvalds
2009-01-09 22:08 ` Andrew Morton
2009-01-09 22:12 ` Linus Torvalds
2009-01-09 22:26 ` Alan Cox
2009-01-09 22:36 ` Harvey Harrison
2009-01-11 3:01 ` Phillip Lougher
2009-01-11 3:06 ` H. Peter Anvin
2009-01-09 16:32 ` Geert Uytterhoeven
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