Re: [Xen-devel] [PATCH 1 of 2] blkfront: sector size > 512

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Stefano Stabellini, le Thu 21 May 2009 12:40:52 +0100, a écrit :
> The first and last sector as well as the sector number of the request is
> expressed in 512 bytes units, independently from the real sector size.
>      req->id = (uintptr_t) aiocbp;
> -    req->sector_number = aiocbp->aio_offset / dev->info.sector_size;
> +    req->sector_number = aiocbp->aio_offset / 512;
>  

Oh?!

That needs to be better documented in xen/include/public/io/blkif.h,
then.  I'm however wondering whether this shouldn't actually be fixed in
the blkback/cdrom interface instead.

Samuel

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