Messages in this thread |  | | | Date | Fri, 09 Jun 2006 12:37:09 -0400 | | From | Jeff Garzik <> | | Subject | Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3 |
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Alex Tomas wrote: >>>>>> Mike Snitzer (MS) writes: > > MS> precludes their ability to boot older kernels (steps can be taken to > MS> make them well aware of this). The "real world situation" you refer > MS> to, while hypothetically valid, isn't something informed > MS> ext3-with-extents users will _ever_ elect to do. > > one who needs/wants to go back may get rid of extents by: > a) remounting w/o extents option > b) copying new-fashion-style files so that copies use blockmap > c) dropping extents feature in superblock
More likely, they will just backup+restore rather than go through all that.
After leafing through a 50-page manual to match up kernel versions with ext3 features, to see which older kernels will (or won't) require all this work.
Jeff
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