Re: [Qemu-devel] [PATCH] rbd: add discard support

[Stefan Hajnoczi]

On Tue, May 1, 2012 at 7:16 AM, Josh Durgin <address@hidden> wrote:
> Change the write flag to an operation type in RBDAIOCB, and make the
> buffer optional since discard doesn't use it.
>
> Discard is first included in librbd 0.1.2 (which is in Ceph 0.46).
> If librbd is too old, leave out qemu_rbd_aio_discard entirely,
> so the old behavior is preserved.
>
> Signed-off-by: Josh Durgin <address@hidden>
> ---
>  block/rbd.c |   89 ++++++++++++++++++++++++++++++++++++++++++++++++----------
>  1 files changed, 73 insertions(+), 16 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>