On Wed, Jun 26, 2013 at 01:26:25AM +0800, Liu Ping Fan wrote: > BH will be used outside big lock, so introduce lock to protect > between the writers, ie, bh's adders and deleter. The lock only > affects the writers and bh's callback does not take this extra lock. > Note that for the same AioContext, aio_bh_poll() can not run in > parallel yet. > > Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com> > > --------- > v4->v5 > fix some grammar issue > v3->v4 > resolve memory order of bh->idle and ->scheduled > add comments for qemu_bh_delete/cancel > --- > async.c | 32 ++++++++++++++++++++++++++++++-- > include/block/aio.h | 7 +++++++ > 2 files changed, 37 insertions(+), 2 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
