On 11/18/20 2:48 PM, Dave Chinner wrote: > On Wed, Nov 18, 2020 at 02:36:47PM -0700, Jens Axboe wrote: >> On 11/18/20 2:33 PM, Dave Chinner wrote: >>> On Wed, Nov 18, 2020 at 02:19:30PM -0700, Jens Axboe wrote: >>>>>>> Can you provide an actual event trace of the IOs in question that >>>>>>> are failing in your tests (e.g. from something like `trace-cmd >>>>>>> record -e xfs_file\* -e xfs_i\* -e xfs_\*write -e iomap\*` over the >>>>>>> sequential that reproduces the issue) so that there's no ambiguity >>>>>>> over how this problem is occurring in your systems? >>>>>> >>>>>> Let me know if you still want this! >>>>> >>>>> No, it makes sense now :) >>>> >>>> What's the next step here? Are you working on an XFS fix for this? >>> >>> I'm just building the patch now for testing. >> >> Nice, you're fast... > > Only when I understand exactly what is happening :/ That certainly helps... > Patch below. Thanks, ran it through the test case 20 times (would always fail before in one run), and no issues observed. Tested-by: Jens Axboe <axboe@xxxxxxxxx> -- Jens Axboe
