Re: [PATCH 2/9] sector_t format string

Jeff Garzik <[email protected]> Thu, 10 Aug 2006 10:26:44 -0400
Newsgroups gmane.linux.file-systems,gmane.linux.kernel,gmane.comp.file-systems.ext2.devel
Message-ID <[email protected]>
Roman Zippel wrote:
> Hi,
> 
> On Thu, 10 Aug 2006, Jeff Garzik wrote:
> 
>> With CONFIG_LBD, 32-bit machines can already support large block
>> devices.
>>
>> If you feel that hardcoding u64 as sector numbers will mean ext4 suddenly
>> fails on 32-bit, you misunderstand the situation completely.
> 
> With CONFIG_LBD disabled you still had the truncation/complexity issues 
> somewhere else, so you gain nothing, but waste memory in ext4.

You gain simplicity and reduced number of code paths.

"waste memory" is hardly a significant argument.  I doubt you will 
notice a difference.

	Jeff



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