[Ocfs2-tools-devel] [PATCH 13/20] tunefs.ocfs2: Add enable discontig-bg operations.

[Tao Ma]

Joel Becker wrote:
> On Mon, May 17, 2010 at 04:47:00PM +0800, Tao Ma wrote:
>   
>> This patch just adds the support for enable discontig-bg
>> in tunefs.ocfs2 so that we can test it easily.
>>
>> XXX:
>> Do we need to change the bg_size for all the suballocator
>> group so that it is consistent when new group is allocated?
>>     
>
> 	No, we want enabling to leave them as-is.  That gives us some
> nice, fast enabling of the feature.  The is_discontig() check works
> great against bg_size > offsetof(bg_list).
>   
yeah.
> 	Btw, in the kernel ocfs2_bg_discontig_fix_result() checks
> l_next_free_rec without checking bg_size.  Can you change it to use the
> bg_is_discontig() check?
>   
ok, no problem.

Regards,
Tao