Messages in this thread | | | Subject | Re: Problem with aacraid driver in 2.5.63-bk-latest | From | Alan Cox <> | Date | 13 Mar 2003 01:06:44 +0000 |
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On Wed, 2003-03-12 at 23:55, Douglas Gilbert wrote: > /* > * Limit max queue depth on a single lun to 256 for now. Remember, > * we allocate a struct scsi_command for each of these and keep it > * around forever. Too deep of a depth just wastes memory. > */ > if(tags > 256) > return; > ....
I can see the memory consideration. However the thing can really handle big queues well. Possibly we should be setting the queue to 512 / somefunction(volumes) though to avoid the worst case overcommit here
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