Re: [Qemu-devel] [PATCH 4/6] libqblock internal used functions

[Paolo Bonzini]

Il 04/09/2012 13:38, Eric Blake ha scritto:
> Since qemu does not support it now, yes, you can ignore it for now.  But
> please make sure that you aren't hard-coding it into the API - that is,
> make sure that the API can someday grow to support larger sector sizes
> with minimal impact to library clients (that is, that new clients aware
> of the new API can target larger sector size once qemu has been patched
> to support larger sector size).

We can support 4k sector disks even if the addressing unit remains 512
bytes, just like in the Linux kernel.

Wenchao, you can add a logical_block_size item to the image info and
make it always return 512.

Paolo