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Sent from my iPhone > On 21 Jul 2023, at 02:27, Matthew Wilcox wrote: >=20 > =EF=BB=BFOn Fri, Jul 21, 2023 at 11:03:28AM +1000, Finn Thain wrote: >> On Fri, 21 Jul 2023, Dave Chinner wrote: >>=20 >>>> I suspect that this is one of those catch-22 situations: distros are=20= >>>> going to enable every feature under the sun. That doesn't mean that=20 >>>> anyone is actually _using_ them these days. >>=20 >> I think the value of filesystem code is not just a question of how often=20= >> it gets executed -- it's also about retaining access to the data collecte= d=20 >> in archives, museums, galleries etc. that is inevitably held in old=20 >> formats. >=20 > That's an argument for adding support to tar, not for maintaining > read/write support. >=20 >>> We need to much more proactive about dropping support for unmaintained=20= >>> filesystems that nobody is ever fixing despite the constant stream of=20= >>> corruption- and deadlock- related bugs reported against them. >>=20 >> IMO, a stream of bug reports is not a reason to remove code (it's a reaso= n=20 >> to revert some commits). >>=20 >> Anyway, that stream of bugs presumably flows from the unstable kernel API= ,=20 >> which is inherently high-maintenance. It seems that a stable API could be= =20 >> more appropriate for any filesystem for which the on-disk format is fixed= =20 >> (by old media, by unmaintained FLOSS implementations or abandoned=20 >> proprietary implementations). >=20 > You've misunderstood. Google have decided to subject the entire kernel > (including obsolete unmaintained filesystems) to stress tests that it's > never had before. IOW these bugs have been there since the code was > merged. There's nothing to back out. There's no API change to blame. > It's always been buggy and it's never mattered before. >=20 > It wouldn't be so bad if Google had also decided to fund people to fix > those bugs, but no, they've decided to dump them on public mailing lists > and berate developers into fixing them. >=20