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SubjectRe: [Ext2-devel] [RFC 0/13] extents and 48bit ext3
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>>>>> 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.


thanks, Alex
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