Re: READ SCSI cmd seems to fail on SATA optical devices...
From: Alan
Date: Wed Nov 15 2006 - 11:31:37 EST
On Wed, 15 Nov 2006 11:17:29 -0500
Phillip Susi <psusi@xxxxxxxxxx> wrote:
> The original patch memsets the entire buffer only to copy over most of
> it right after. Could you amend the patch so that it memcpys first,
> then memsets only the remainder of the buffer? No sense wasting cpu
> cycles.
Look at the generated code - its faster to memset the entire CDB as Tejun
is doing than actually bother to think about it.
Alan
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