linux-kernel - Re: Finding hardlinks

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Date:	Tue, 2 Jan 2007 02:05:56 +0300
From:	Nikita Danilov <nikita@...sterfs.com>
To:	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Benny Halevy <bhalevy@...asas.com>,
	Jan Harkes <jaharkes@...cmu.edu>,
	Miklos Szeredi <miklos@...redi.hu>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	nfsv4@...f.org
Subject: Re: Finding hardlinks

Mikulas Patocka writes:

[...]

 > 
 > BTW. How does ReiserFS find that a given inode number (or object ID in 
 > ReiserFS terminology) is free before assigning it to new file/directory?

reiserfs v3 has an extent map of free object identifiers in
super-block. reiser4 used 64 bit object identifiers without reuse.

 > 
 > Mikulas

Nikita.

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