Re: [PATCH] bio: ensure __bio_clone_fast copies bi_partno

Campbell Steven
2017-11-17T20:25:12Z

On 17 November 2017 at 20:47, Michael Lyle <mlyle@lyle.org> 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.

Thanks alot for this Michael, I will run it up on our test servers today.

Campbell