Re: about xfs_alloc

To:	Liven Ding <djun@xxxxxxxxxxxxxx>
Subject:	Re: about xfs_alloc_lookup()
From:	Eric Sandeen <sandeen@xxxxxxx>
Date:	13 Nov 2003 11:06:15 -0600
Cc:	niuniu <jenny@xxxxxxxxxxxxxx>, linux-xfs <linux-xfs@xxxxxxxxxxx>
In-reply-to:	<200311131347640.SM01384@dj>
Organization:	Eric Conspiracy Secret Labs
References:	<200311131347640.SM01384@dj>
Sender:	linux-xfs-bounce@xxxxxxxxxxx

I'd start by looking at the original design docs to get a feel for
what's going on in XFS:

http://oss.sgi.com/projects/xfs/publications.html

-Eric

On Wed, 2003-11-12 at 23:44, Liven Ding wrote:
> Hello!
> 1.Why xfs_alloc_lookup() always return 0 (can't find any such record) or 
> error?
> 2.What's a record?
> 3.What's a btree block?
> 4.What's a allocation group?
> 5.What's the relationship about them? 
> Thanks a lot!
> 
> Best Wishes,
> Liven Ding
> Accusys Nanjing RD Center
> Tel :  025-4809629  #207  
> 
-- 
Eric Sandeen      [C]XFS for Linux   http://oss.sgi.com/projects/xfs
sandeen@xxxxxxx   SGI, Inc.          651-683-3102

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Re: about xfs_alloc_lookup()