[PATCH v2] RDMA/cma: prevent rdma id destroy during cma_iw_handler

[Daniel Wagner]

On Tue, Sep 05, 2023 at 12:39:38AM +0000, Shinichiro Kawasaki wrote:
> Two month ago, the failure had been recreated by repeating the blktests test
> cases nvme/030 and nvme/031 with SIW tranposrt around 30 times. Now I do not see
> it when I repeat them 100 times. I suspected some kernel changes between v6.4
> and v6.5 would have fixed the issue, but even when I use both kernel versions,
> the failure is no longer seen. I reverted nvme-cli and libnvme to older version,
> but still do not see the failure. I just guess some change on my test system
> affected the symptom (Fedora 38 on QEMU).

Maybe the refactoring in blktests could also be the reason the tests are
not working? Just an idea.