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Re: [RFC 4/4] ahci media error reporting

From: Kevin Wolf
Subject: Re: [RFC 4/4] ahci media error reporting
Date: Fri, 20 Sep 2019 10:43:27 +0200
User-agent: Mutt/1.12.1 (2019-06-15)

Am 19.09.2019 um 22:43 hat John Snow geschrieben:
> I'd have to check -- because I can't say the AHCI emulator was designed
> so much as congealed -- but you might need calls to ncq_finish.
> usually, ncq_cb handles the return from any NCQ command and will call
> ncq_err and ncq_finish as appropriate to tidy up the command.
> It might be a mistake that execute_ncq_command issues ncq_err in the
> `default` arm of the switch statement without a call to finish.
> If we do call ncq_finish from this context I'm not sure if we want
> block_acct_done here unconditionally. We may not have started a block
> accounting operation if we never started a backend operation. Everything
> else looks about right to me.

With that much uncertainty, the one thing I'm pretty certain of is that
someone (TM) should write some qtests - if only to figure out what
really happens.


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