Re: [RFC 0/13] extents and 48bit ext3

[Theodore Tso]

On Sat, Jun 10, 2006 at 04:07:14PM +0200, Olivier Galibert wrote:
> > Incorrect, because unless you explicitly enable the use of extents,
> > the mere act of using a new kernel such as might be found on knoppix
> > will not result in the filesystem utilizing the extent feature.
> 
> And how shall the rescue/live CD know whether to use the feature?

Because there will be a bit the superblock that the user will have to
explicitly enable in order to get extents, so a new kernel on the
rescue/live CD will no whether or not extents are allowed --- just as
today, you have to explicitly enable hashed tree directory indexing
with the command, tune2fs -O dir_index /dev/hdXXX.

							- Ted
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