On 09/28/2017 02:00 AM, Qu Wenruo wrote: > > > On 2017年09月28日 00:20, David Sterba wrote: >> On Mon, Sep 25, 2017 at 07:15:30AM -0400, Austin S. Hemmelgarn wrote: >>> On 2017-09-24 10:08, Goffredo Baroncelli wrote: >>>> On 09/24/2017 12:10 PM, Anand Jain wrote: >> >> A lot of points in this thread, let me address them here. >> >> I don't want to remove --rootdir functionality, the fix that's being >> proposed removes the minimalization -- feature that was not well known, >> but I understand it's useful (and already used). >> >> I'd like to fix that in another way, eg. as an option to mkfs or a >> separate tool. >> >> I'm not worried about adding more code or code complexity. If we do it >> right it's not a problem in the long run. But people for some reason >> like to delete other people's code or functionality. >> >> Regarding guessing number of users, this is always hard. So if there's >> one vocal enough to let us know about the usecase, it's IMHO good time >> to explore the it, code-wise and documentation-wise, and fix it or >> improve. >> >> So, what next. I'd like to get rid of the custom chunk allocator, namely >> because of the known 1MB area misuse and duplication. >> >> Implementing the minimalization might need some preparatory work and I >> don't have a realistic ETA now. > > Well, if using over-reserve-then-shrink method, it could be done, without > much hassle.
What about doing it on a file instead of a device ? As sparse file, it would be less expensive to enlarge then shrink. I think that who need to build a filesystem with "shrink", doesn't need to create it on a real block device > > However ETA maybe delayed to middle of Oct, as I'm going to enjoy my holiday > during 1st Oct to 7th Oct. > > Thanks, > Qu > >> Ideally we'd fix both problems in one >> version, as I'd rather avoid "temporary" solution to drop the >> minimalization with the promise to put it back later. >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- gpg @keyserver.linux.it: Goffredo Baroncelli <kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
