On Fri, Jul 21, 2023 at 11:03:28AM +1000, Finn Thain wrote:
On Fri, 21 Jul 2023, Dave Chinner wrote:
I suspect that this is one of those catch-22 situations: distros are going to enable every feature under the sun. That doesn't mean that anyone is actually _using_ them these days.
I think the value of filesystem code is not just a question of how often
it gets executed -- it's also about retaining access to the data collected
in archives, museums, galleries etc. that is inevitably held in old
formats.
That's an argument for adding support to tar, not for maintaining
read/write support.
We need to much more proactive about dropping support for unmaintained filesystems that nobody is ever fixing despite the constant stream of corruption- and deadlock- related bugs reported against them.
IMO, a stream of bug reports is not a reason to remove code (it's a reason
to revert some commits).
Anyway, that stream of bugs presumably flows from the unstable kernel API, which is inherently high-maintenance. It seems that a stable API could be more appropriate for any filesystem for which the on-disk format is fixed
(by old media, by unmaintained FLOSS implementations or abandoned
proprietary implementations).
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.
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.
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