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

>>>>> 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

thanks, Alex