From: Hans Reiser <reiser@namesys.com>
To: Peter van Hardenberg <pvh@uvic.ca>
Cc: reiserfs-list@namesys.com
Subject: Re: Plugin modifications to disk format.
Date: Fri, 02 Dec 2005 01:52:57 -0800 [thread overview]
Message-ID: <43901979.2060600@namesys.com> (raw)
In-Reply-To: <200511230151.13675.pvh@uvic.ca>
Peter van Hardenberg wrote:
>More codework today, so more questions.
>
>inodes:
>----------
>We would like to add a new field to every inode on disc. This could monopolize
>the "plugin_data" union on the struct. Is there a better way? How can this be
>achieved without breaking format compatibility?
>
>Storage:
>-----------
>How tightly can these attribute directories be packed? Dominic Giampaulo
>rejected a similar design to ours for efficiency purposes in the BeFS, but he
>was not lucky enough to have the advantages of the Reiser storage layer
>underneath. So... since we have those advantages, how tight can we pack the
>following:
>
>Small file with an attribute directory:
>inode
> ->data
> ->attributedir_inode
> ->attributedir_ dir_file
> ->attribute_inode
> ->attribute_data
>
>
>
define how an attribute differs from a file, usefully that is.....
Hans
prev parent reply other threads:[~2005-12-02 9:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-23 9:51 Plugin modifications to disk format Peter van Hardenberg
2005-11-23 11:09 ` Vladimir V. Saveliev
2005-12-02 9:52 ` Hans Reiser [this message]
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