[Ocfs2-tools-devel] Patch for journal truncate of ocfs2-tools.

tao.ma tao.ma at oracle.com
Fri Apr 27 17:49:06 PDT 2007


Sunil Mushran wrote:
> On Fri, 2007-04-27 at 09:27 +0800, tao.ma wrote:
>   
>> Sunil Mushran wrote:
>> In the furture implementation of ocfs2_truncate for sparse_files, 
>> ocfs2_truncate will only increase the size when the user do the 
>> extending and I preserve the function of ocfs2_extend_allocation which 
>> will allocate the clusters when extending. So I don't want to modify 
>> this function then to fit this need.
>>     
>
> OK.
>
>   
>> From the code it seems that we used to make the journal size smaller 
>> only under the condition that we change the numbers of slots, so here we 
>> have the check of "if (!opts.num_slots)". But now we can decrease the 
>> journal size without touching the number of slots, so we shouldn't care 
>> whether we change num_slots or not. Am I wrong? Please point it out.
>>     
>
> The code used to handle the situation in which the user extends the
> journal size and adds slots at the same time. The current code cannot
> handle that.
>
> Again, I am ok with making the two ops exclusive. As in, disallow
> changing slots and changing journal files at the same time. It may make
> life easier both coding/testing wise and not take much from the user.
>
>   
OK.
A new patch will be created and resent to the mail list.



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