On Thu, 8 Mar 2012, Phillip Susi wrote: > On 3/1/2012 9:54 AM, Lukas Czerner wrote: > > Well, it is not default right ? So the user should better know what is > > he doing. Moreover it is not like it is end of the world when we do not > > provide that option, since SSD's will handle over provisioning to some > > extent even without slowdown, and as for thin-provisioned devices you > > should know why you're overriding defaults and what it means for you. > > > > Anyway, if people really want this another option to discard all the > > block groups including those UNINIT ones, I guess I can not resist that > > :). '-E discard_all' maybe ? > > I think the option is a little more generic than discard. The uninit groups > are not discarded because they are not checked in the first place. A bad > group descriptor checksum will force the group to be checked, and thus > discarded as well. I think what is needed is an option to trigger the same > thing: force all groups to be checked, even if they are uninit and have good > descriptor checksums. Maybe -E thorough? > Why would we try to check UNINIT groups with valid descriptor checksums ? I think that this problem will be solved with BLOCK_DISCARDED flag as we discussed with Ted in another thread. No need to have yet another option so it is win-win :) Thanks! -Lukas -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
