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Re: [PATCH 25/27] nilfs2: block cache for garbage collection

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From: Jörn
Subject: Re: [PATCH 25/27] nilfs2: block cache for garbage collection
Date: Wednesday, September 17, 2008 - 7:41 am

On Mon, 15 September 2008 04:08:22 +0900, Ryusuke Konishi wrote:

Nice explanation.  Can you add it to the comment header at the top of
the file?  Unlike the GPL preample, it actually helps non-lawyers. ;)

Using dummy inodes is... unusual.  Why can you not use the actual inodes
those blocks belong to?  Or alternatively a single inode that simply
covers the complete physical device?

Jörn

-- 
All models are wrong. Some models are useful.
-- George Box
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Messages in current thread:
[PATCH 0/27] nilfs2: continuous snapshotting file system, Ryusuke Konishi, (Sun Sep 14, 12:07 pm)
[PATCH 01/27] nilfs2: add document, Ryusuke Konishi, (Sun Sep 14, 12:07 pm)
[PATCH 02/27] nilfs2: disk format and userland interface, Ryusuke Konishi, (Sun Sep 14, 12:07 pm)
[PATCH 03/27] nilfs2: add inode and other major structures, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 04/27] nilfs2: integrated block mapping, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 05/27] nilfs2: B-tree based block mapping, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 06/27] nilfs2: direct block mapping, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 07/27] nilfs2: B-tree node cache, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 08/27] nilfs2: buffer and page operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 09/27] nilfs2: meta data file, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 10/27] nilfs2: persistent object allocator, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 11/27] nilfs2: disk address translator, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 12/27] nilfs2: inode map file, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 13/27] nilfs2: checkpoint file, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 14/27] nilfs2: segment usage file, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 15/27] nilfs2: inode operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 16/27] nilfs2: file operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 17/27] nilfs2: directory entry operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 18/27] nilfs2: pathname operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 19/27] nilfs2: operations for the_nilfs core object, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 20/27] nilfs2: super block operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 21/27] nilfs2: segment buffer, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 22/27] nilfs2: segment constructor, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 23/27] nilfs2: recovery functions, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 24/27] nilfs2: another dat for garbage collection, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 25/27] nilfs2: block cache for garbage collection, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 26/27] nilfs2: ioctl operations, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
[PATCH 27/27] nilfs2: update makefile and Kconfig, Ryusuke Konishi, (Sun Sep 14, 12:08 pm)
Re: [PATCH 01/27] nilfs2: add document, Pavel Machek, (Mon Sep 15, 2:54 am)
Re: [PATCH 18/27] nilfs2: pathname operations, Pekka Enberg, (Mon Sep 15, 11:20 am)
Re: [PATCH 01/27] nilfs2: add document, konishi.ryusuke, (Mon Sep 15, 1:10 pm)
Re: [PATCH 18/27] nilfs2: pathname operations, konishi.ryusuke, (Mon Sep 15, 10:31 pm)
Re: [PATCH 01/27] nilfs2: add document, Chris Mason, (Tue Sep 16, 6:38 am)
Re: [PATCH 02/27] nilfs2: disk format and userland interface, Jörn, (Wed Sep 17, 7:31 am)
Re: [PATCH 25/27] nilfs2: block cache for garbage collection, Jörn, (Wed Sep 17, 7:41 am)
Re: [PATCH 01/27] nilfs2: add document, Jörn, (Wed Sep 17, 7:54 am)
Re: [PATCH 02/27] nilfs2: disk format and userland interface, Ryusuke Konishi, (Wed Sep 17, 8:51 am)
Re: [PATCH 01/27] nilfs2: add document, Ryusuke Konishi, (Wed Sep 17, 10:52 am)
Re: [PATCH 25/27] nilfs2: block cache for garbage collection, Ryusuke Konishi, (Wed Sep 17, 12:09 pm)
Re: [PATCH 25/27] nilfs2: block cache for garbage collection, Jörn, (Wed Sep 17, 3:49 pm)
Re: [PATCH 25/27] nilfs2: block cache for garbage collection, Ryusuke Konishi, (Sat Sep 20, 3:43 am)
Re: [PATCH 25/27] nilfs2: block cache for garbage collection, Jörn, (Sat Sep 20, 4:04 am)