Re: [PATCH] null_blk: allow teardown on request timeout

[Bart Van Assche]

On 10/18/22 21:19, Chaitanya Kulkarni wrote:
> Also, I've listed the problem that I've seen first hand for keeping the
> device in the system that is non-responsive due to request timeouts, in
> that case we should let user decide whether user wants to remove or keep
> the device in the system instead of forcing user to keep the device in
> the system bringing down whole system, and these problems are really
> hard to debug even with Teledyne LeCroy [1]. This patch follows the same
> philosophy where user can decide to opt in for removal with module
> parameter. Once opt-in user knows what he is getting into.

Hi Chaitanya,

From commit f2298c0403b0 ("null_blk: multi queue aware block test 
driver"): "Written to facilitate testing of the blk-mq code". I'm not 
sure of this but adding a mechanism like the one in this patch may fall 
outside the original scope of the null_blk driver.

Thanks,

Bart.