cvs commit: src/sys/kern kern_poll.c

Poul-Henning Kamp phk at
Tue Sep 6 10:50:28 PDT 2005

In message <431DCEFB.9030005 at>, Scott Long writes:

>> For the case of storage, you actually have a better model since all 
>> transactions are initiated from the host (as opposed to packet 
>> arrivals).  This gives an easy metric for a dynamic polling threshold -- 
>> if you have a deep queue of outstanding requests and one completes, you 
>> should poll a little more than normal.
>Except for target mode.

It could be argued that target mode is really networking rather
than storage :-)

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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