[Ocfs2-tools-devel] [PATCH 2/2] defrag.ocfs2: Clear unused inode groups

[Joel Becker]

On Thu, Feb 25, 2010 at 04:03:11PM -0800, Sunil Mushran wrote:
> I am trying to understand the goal here. How will freeing unused
> inode_alloc groups defragment the volume? Is this a step 1 in a multi
> step process? If so, can you elaborate on the rest.

	This definitely does not defragment.  It merely reclaims unused
suballocator space.

> At that time I felt online defrag is the only solution. But my thinking
> has evolved. Right now I think any defrag tool that increases freespace
> space contiguousness is good. Offline and/or online.

	I'll take a simple offline defragmenter, sure.

Joel

-- 

"If the human brain were so simple we could understand it, we would
 be so simple that we could not."
	- W. A. Clouston

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127