On Fri, Nov 30, 2012 at 9:55 AM, Stefan Priebe <s.pri...@profihost.ag> wrote: > This one fixes a race which qemu had also in iscsi block driver > between cancellation and io completition. > > qemu_rbd_aio_cancel was not synchronously waiting for the end of > the command. > > To archieve this it introduces a new status flag which uses > -EINPROGRESS. > > Changes since PATCHv5: > - qemu_aio_release has to be done in qemu_rbd_aio_cancel if I/O > was cancelled > > Changes since PATCHv4: > - removed unnecessary qemu_vfree of acb->bounce as BH will always > run > > Changes since PATCHv3: > - removed unnecessary if condition in rbd_start_aio as we > haven't start io yet > - moved acb->status = 0 to rbd_aio_bh_cb so qemu_aio_wait always > waits until BH was executed > > Changes since PATCHv2: > - fixed missing braces > - added vfree for bounce > > Signed-off-by: Stefan Priebe <s.pri...@profihost.ag> > > --- > block/rbd.c | 20 ++++++++++++-------- > 1 file changed, 12 insertions(+), 8 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@gmail.com>
