On June 3, 2024 9:50:30 PM PDT, Christoph Hellwig <hch@xxxxxx> wrote: >On Mon, Jun 03, 2024 at 10:59:15AM +0100, Terry Tritton wrote: >> Hi, >> We've found a change in behaviour while testing the splice07 LTP test. >> In versions before 5.10 the test will hang on certain combinations but after >> 5.10 the splice call will return. >> I bisected the change to the following commit: >> 36e2c7421f02a22f71c9283e55fdb672a9eb58e7 >> fs: don't allow splice read/write without explicit ops >> >> There has been some discussion on the LTP github page already: >> https://github.com/linux-test-project/ltp/issues/1156 > >In that case the return probably is an error because epoll doesn't >support read_iter/write_iter and thus completely expected. > >If the underlying bug hasn't been fix in the mean time that probably >means it will be back if Jens' conversion of all misc file operations >to the iter based ones every gets merged. > >If you are interested more in this please discuss it on the relevant >mailing lists instead of in private mail. Eh? LKML is in CC... I've added fsdevel and Jens now too, though. -Kees -- Kees Cook
