Re: [Qemu-devel] [PATCH v2 0/3] coroutinization of flush and discard (split out of NBD series)

[Kevin Wolf]

Am 17.10.2011 12:32, schrieb Paolo Bonzini:
> This series, applying on top of block branch, enables drivers to use
> coroutines for flush and discard.  I kept aio_discard after discussing
> with Kevin since it should be useful not only for raw-posix-aio, but also
> for the userspace iSCSI backend (and in general for backends relying on
> an external library that is designed around aio).
> 
> BTW, with this patch we get "for free" the invariant that bdrv_aio_*
> never returns a NULL acb (Stefan's patches already got to that point
> for read/write, of course).
> 
> v1->v2:
>       add bdrv_co_flush and bdrv_co_discard entry points
> 
> Paolo Bonzini (2):
>   block: unify flush implementations
>   block: add bdrv_co_discard and bdrv_aio_discard support
> 
> Stefan Hajnoczi (1):
>   block: drop redundant bdrv_flush implementation
> 
>  block.c           |  258 
> +++++++++++++++++++++++++++++++++--------------------
>  block.h           |    5 +
>  block/blkdebug.c  |    6 --
>  block/blkverify.c |    9 --
>  block/qcow.c      |    6 --
>  block/qcow2.c     |   19 ----
>  block/qed.c       |    6 --
>  block/raw-posix.c |   18 ----
>  block/raw.c       |   23 ++---
>  block_int.h       |   10 ++-
>  trace-events      |    1 +
>  11 files changed, 184 insertions(+), 177 deletions(-)
> 

Thanks, applied all to the block branch.

Kevin