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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