Re: [PATCH] scsi: break from queue depth adjusting loops when device found

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I just saw this patch showing up again in the hpsa series, so let's get
the discussiong going on how to proceed again:

I think we can't simply apply the current version as it breaks the intended
semantics in the FC drivers that expect an array with target-wide ressources.

So if we want to go ahead quickly we might just need two versions of it, one
that does LUN-level ramp up/down and one that does target level.

I'd also very much like to be able to use the SAM-4 indicators, but I fear
that a lot of hardware might not be able to get this right.  If anyone
has experience with using those I'd love to hear about it.
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