Re: [PATCH 2/9] sector_t format string

Jeff Garzik <[email protected]> Thu, 10 Aug 2006 08:02:02 -0400
Newsgroups gmane.comp.file-systems.ext2.devel,gmane.linux.file-systems,gmane.linux.kernel
Message-ID <[email protected]>
Roman Zippel wrote:
> Hi,
> 
> On Wed, 9 Aug 2006, Andrew Morton wrote:
> 
>> That also being said...  does a 32-bit sector_t make any sense on a
>> 48-bit-blocknumber filesystem?  I'd have thought that we'd just make ext4
>> depend on 64-bit sector_t and be done with it.
> 
> Is this really necessary? There are a few features, which would make ext4 
> also interesting at the low end (e.g. extents). Storing 64bit values on 
> disk is fine, but they should be converted to native values as soon as 
> possible.

Consider what that means.  "converted to native" means dealing with 
truncation issues...

	Jeff




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