Re: [Qemu-devel] [PATCH resend 0/7] Discard improvements

[Stefan Hajnoczi]

On Mon, Jan 14, 2013 at 04:26:51PM +0100, Paolo Bonzini wrote:
> This series builds on the patch from Kusanagi Kouichi, and also adds
> discard support for non-passthrough block devices (BLKDISCARD), and
> asynchronous discard support.
> 
> SCSI already calls bdrv_aio_discard, so it is not affected by these
> patches.
> 
> Kusanagi Kouichi (1):
>   raw-posix: support discard on more filesystems
> 
> Paolo Bonzini (6):
>   raw-posix: remember whether discard failed
>   raw: support discard on block devices
>   block: make discard asynchronous
>   ide: fix TRIM with empty range entry
>   ide: issue discard asynchronously but serialize the pieces
>   block: clear dirty bitmap when discarding
> 
>  block.c           |   8 +++-
>  block/raw-aio.h   |   5 ++-
>  block/raw-posix.c | 125 
> +++++++++++++++++++++++++++++++++++++++++-------------
>  configure         |  19 +++++++++
>  hw/ide/core.c     |  79 +++++++++++++++++++++++-----------
>  5 files changed, 179 insertions(+), 57 deletions(-)
> 
> -- 
> 1.8.1
> 
> 

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan