On 11/17/2017 12:47 AM, Michael Lyle wrote: > A new field was introduced in 74d46992e0d9dee7f1f376de0d56d31614c8a17a, > bi_partno, instead of using bdev->bd_contains and encoding the partition > information in the bi_bdev field. __bio_clone_fast was changed to copy > the disk information, but not the partition information. At minimum, > this regressed bcache and caused data corruption. That's not good... Fix looks good to me, I'll queue this up for a pull today. Thanks for bisecting this, Michael. -- Jens Axboe