Re: blk_queue_hardsect_size 520-byte sector

From: Jens Axboe
Date: Fri Jun 06 2008 - 03:54:49 EST


On Thu, Jun 05 2008, Anil kumar wrote:
> Hi,
>
> Can I call blk_queue_hardsect_size in a driver and set it to 520-byte
> as hardware sector size. How does the kernel and block layers take
> the request, will it be in multiples of 520-bytes aligned or 512 bytes
> aligned?

No, Linux only supports power-of-2 hardware block sizes I'm afraid.

--
Jens Axboe

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