On Tue, Jun 19, 2018 at 10:26:40AM -0700, Bart Van Assche wrote:
> Commit 0ba99ca4838b ("block: Add warning for bi_next not NULL in
> bio_endio()") breaks the dm driver. end_clone_bio() detects whether
> or not a bio is the last bio associated with a request by checking
> the .bi_next field. Commit 0ba99ca4838b clears that field before
> end_clone_bio() has had a chance to inspect that field. Hence revert
> commit 0ba99ca4838b.
>
> This patch avoids that KASAN reports the following complaint when
> running the srp-test software (srp-test/run_tests -c -d -r 10 -t 02-mq):
Thanks for debugging this
I take it if we had a test for request based dm in blktests or somewhere that
probably would have caught this much easier :/
