Re: Issues with commit 34b48db6 ("block: remove artifical max_hw_sectors cap")

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On Sun, Dec 21, 2014 at 02:44:20PM -0800, Kenneth R. Crudup wrote:
> 
> I had issues with my Samsung 4GB disk recently in Linus' master tree kernels,
> and have bisected it to the above commit. When doing running bonnie++ (etc.
> I get EIOs.
> 
> Some info is below, let me know if you need anything else. Is there a "quirks"
> available for this option so I may special-case this particular disk?

Looks like we need to quirk it.  Can you try to echo different limits
to the /sys/block/sdc/queue/max_hw_sectors_kb  file for the device to
find the limit
for it?

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