Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3

Jeff Garzik
2006-06-09T15:52:35Z

Alex Tomas wrote:
>>>>>> Jeff Garzik (JG) writes:
>
> JG> Alex Tomas wrote:
> JG> "ext3" will become more and more meaningless. It could mean
> >> _any_ of JG> several filesystem metadata variants, and the admin
> >> will have no clue JG> which variant they are talking to until they
> >> try to mount the blkdev JG> (and possibly fail the mount).
> >> debugfs <dev> -R stats | grep features ?
>
> JG> The question is, do you
>
> JG> a) expect users to run this magic command, and DTRT or
>
> JG> b) watch users boot w/ extents, accidentally do something silly like
> JG> writing data to a file, and become locked into a new subset of kernels?
>
> at the moment there is no way to "boot w/ extents". you must enable
> them by mount option.

Think about how distros will deploy this feature. Also, think about how
scalable that line of thinking is...

Jeff