Re: [SCSI] fix wrong context bugs in SCSI

[James Bottomley]

On Tue, 2006-02-07 at 16:05 -0600, Brian King wrote:
> I just tried this out on my ppc64 box. I recently noticed that
> the target reaping via workqueue change that went in not too long ago
> resulted in *really* slow user initiated wildcard scans for ipr
> adapters - in the neighborhood of 6 minutes... Your patch brings
> that back down to 8 seconds.

Yes, that's because the original fix used a workqueue for everything
(whether it needed it or not).  The new API checks the context first
before invoking a workqueue.  By and large, for SCSI, we actually have
user context most of the time, so the old fix was rather heavy handed.

James


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