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about xfs_alloc_lookup()

To: "niuniu" <jenny@xxxxxxxxxxxxxx>, "linux-xfs" <linux-xfs@xxxxxxxxxxx>
Subject: about xfs_alloc_lookup()
From: "Liven Ding "<djun@xxxxxxxxxxxxxx>
Date: Thu, 13 Nov 2003 13:44:59 +0800
Sender: linux-xfs-bounce@xxxxxxxxxxx
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  




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