[Ocfs2-devel] [PATCH 2/2] Ocfs2: Add a new code 'OCFS2_INFO_FREEFRAG' for o2info ioctl.

[Joel Becker]

On Thu, Nov 04, 2010 at 03:05:14PM +0800, tristan wrote:
> #1 chunk   #2 chunk   #3 chunk    #4 chunk
> 1100       0010       0000        1100
> 
>  From above case, we found 3 real free chunks, they are:
> 
> 1st free_chunk_size = 4
> 
> 2nd free_chunk_size = 5
> 
> 3rd free_chunk_size = 2
> 
> Therefore, real_free_chunks = 3
> 
> While for the 'user-specified-chunksize' logic, we have 4 
> chunks(chunksize = 4), and only
> one(#3 chunk) was free.
> 
> Does it make sense?

	Yes.

Joel

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Joel Becker
Senior Development Manager
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127