Re: Re: BUG in kernel: Wrong Handling of USBHDDâs in scsiglue(slave_configure) andscsi/sd(sd_read_cache_type)

From: James Bottomley
Date: Mon Oct 03 2011 - 15:32:44 EST

On Mon, 2011-10-03 at 14:10 -0400, Alan Stern wrote:
> > No. You need to also take into account the RBC
> > device parameters mode page if present. See above.
> All right, suppose neither page is present. Does it then make sense to
> assume by default that write caching is enabled?

You're the USB expert ... if we do that, we'll start sending
SYNCHRONIZE_CACHE commands down to a whole slew of devices we didn't
before ... is that going to cause problems with any USB SATLs?


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