>>>>> 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 - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html