From: Alex Tomas <alex@clusterfs.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: Andrew Morton <akpm@osdl.org>,
ext2-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
Badari Pulavarty <pbadari@us.ibm.com>,
linux-fsdevel@vger.kernel.org, cmm@us.ibm.com
Subject: Re: [PATCH 1/5] Forking ext4 filesystem from ext3 filesystem
Date: Fri, 11 Aug 2006 01:11:23 +0400 [thread overview]
Message-ID: <m3irl0l2is.fsf@bzzz.home.net> (raw)
In-Reply-To: <44DB9E6C.9070808@garzik.org> (Jeff Garzik's message of "Thu, 10 Aug 2006 17:00:28 -0400")
>>>>> Jeff Garzik (JG) writes:
>> A buffer_head is the kernel's sole abstraction of a disk block.
>> Filesystems use disk blocks a lot, and they need such an abstraction.
JG> IMO Al Viro work has shown that you can do pagecache I/O without needing
JG> such a heavyweight system.
in delayed allocation patch for ext3 (ontop of extents) we do use
bio's for data.
thanks, Alex
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next prev parent reply other threads:[~2006-08-10 21:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-10 1:17 [PATCH 1/5] Forking ext4 filesystem from ext3 filesystem Mingming Cao
2006-08-10 6:39 ` Andrew Morton
2006-08-10 16:41 ` Mingming Cao
2006-08-10 16:48 ` Jörn Engel
2006-08-10 18:18 ` Andrew Morton
2006-08-10 20:22 ` Jeff Garzik
2006-08-10 20:33 ` Andrew Morton
2006-08-10 20:52 ` Jeff Garzik
2006-08-10 17:44 ` Theodore Tso
2006-08-10 18:51 ` Badari Pulavarty
2006-08-10 19:23 ` Andrew Morton
2006-08-10 19:36 ` Dave Kleikamp
2006-08-10 19:54 ` Andrew Morton
2006-08-10 20:12 ` Jeff Garzik
2006-08-10 20:13 ` Jeff Garzik
2006-08-10 20:27 ` Andrew Morton
2006-08-10 21:00 ` Jeff Garzik
2006-08-10 21:11 ` Alex Tomas [this message]
2006-08-10 22:18 ` [Ext2-devel] " Andrew Morton
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