Messages in this thread | | | Subject | Re: usb hdd problems with 2.6.27.2 | From | James Bottomley <> | Date | Mon, 27 Oct 2008 10:33:12 -0500 |
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On Mon, 2008-10-27 at 11:25 -0400, Alan Stern wrote: > On Mon, 27 Oct 2008, Douglas Gilbert wrote: > > BTW a single disk in RAID 0 (seen on a HP E200 controller) > > has a shortened capacity value seen in the midlevel on the > > corresponding logical drive. That missing chunk is probably > > where the RAID controller puts its control information. > > Anyway, playing with the capacity value returned by READ > > CAPACITY certainly has a precedent. > > usb-storage isn't in the business of altering the data it gets from a > device. It's just a transport. That's why the sdev->fix_capacity flag > exists; we tell the upper layer that the data it gets is going to be > wrong and let the upper layer worry about fixing things up.
And you do this by setting US_FL_FIX_CAPACITY in unusual_devs.h
James
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