Re: [PATCH] EXT_MAX_BLOCK for >= 16TB fs

[Mingming Cao <cmm@us.ibm.com>]

Girish, thanks for sending out the patch. Looks like it's agains ext3,
could you please port it to ext4?

Thanks,
Mingming
在 2008-07-08二的 18:52 +0530，Girish Shilamkar写道：
> Oops ...
> 
> On Tue, 2008-07-08 at 18:21 +0530, Girish Shilamkar wrote:
> > Hi,	
> > 	Here is the patch for same.
> > 
> > Thanks,
> > Girish
> > 
> > On Mon, 2008-07-07 at 22:25 +0530, Girish Shilamkar wrote:
> > > Hi,
> > > 	The magic constant EXT_MAX_BLOCK = 0xffffffff in extents code is used
> > > in some places to return "invalid block number", and to set the extent
> > > length = "whole file" in other places.
> > > 	So with >= 16 TB fs we would prefer to use it differently. We can have
> > > EXT_UNSET_BLOCK = 1 to indicate "invalid block number" as it will never
> > > be valid block for allocation. And for "whole file" usecase we can
> > > continue using current EXT_MAX_BLOCK
> > > 
> > > Regards,
> > > Girish
> > > 
> > > 
> > > 
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