Re: [Qemu-block] [PATCH 01/17] block: Convert bdrv_co_discard() to byte-based

[Stefan Hajnoczi]

On Wed, Jun 22, 2016 at 09:50:58AM -0600, Eric Blake wrote:
> Another step towards byte-based interfaces everywhere.  Replace
> the sector-based bdrv_co_discard() with a new byte-based
> bdrv_co_pdiscard(), which silently ignores any unaligned head
> or tail.  Driver callbacks will be converted in followup patches.
> 
> By calculating the alignment outside of the loop, and clamping
> the max discard to an aligned value, we can simplify the actions
> done within the loop.
> 
> Signed-off-by: Eric Blake <address@hidden>
> ---
>  include/block/block.h |  2 +-
>  block/blkreplay.c     |  3 ++-
>  block/block-backend.c |  3 ++-
>  block/io.c            | 67 
> +++++++++++++++++++++++++++------------------------
>  block/raw_bsd.c       |  3 ++-
>  5 files changed, 42 insertions(+), 36 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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