Christoph Hellwig <[email protected]> 于2025年11月27日周四 15:17写道： > > On Thu, Nov 27, 2025 at 03:05:29PM +0800, Stephen Zhang wrote: > > No, they are not using bcache. > > Then please figure out how bio_chain_endio even gets called in this > setup. I think for mainline the approach should be to fix bcache > and eorfs to not call into ->bi_end_io and add a BUG_ON() to > bio_chain_endio to ensure no new callers appear. I >
Okay, thanks for the suggestion. > > If there are no further objections or other insights regarding this issue, > > I will proceed with creating a v2 of this series. > > Not sure how that is helpful. You have a problem on a kernel from stone > age, can't explain what actually happens and propose something that is > mostly a no-op in mainline, with the callers that could even reach the > area being clear API misuse. > Analysis of the 4.19 kernel bug confirmed it was not caused by the ->bi_end_io call. Instead, this investigation led us to discover a different bug in the upstream kernel. The v2 patch series is dedicated to fixing this newly found upstream issue. Thanks, shida >
