Re: scsi_debug in fstests and blktests (Was: Re: Fwd: [bug report][bisected] modprob -r scsi-debug take more than 3mins during blktests srp/ tests)

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On Fri, Apr 22, 2022 at 08:06:33AM -0700, Luis Chamberlain wrote:
> It begs the question if the same wish should apply to fstests.

xfstests generally works fine except for a handful test that explicitly
want module removal but _notrun gracefully in that case.  Unlike
blktests which just explodes.

> If we want to *not* rely on module removal then the right thing to do I
> think would be to replace module removal on these debug modules
> (scsi_debug) with an API as null_blk has which uses configfs to *add* /
> *remove* devices.

scsi_debug has runtime writable module parameters that cover just
about everything.



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