On 06/12/2017 11:53, Kevin Wolf wrote: > The device is drained, so there is no point in waiting for requests at > the end of the drained section. Remove the bdrv_drain_recurse() calls > there. > > The bdrv_drain_recurse() calls were introduced in commit 481cad48e5e > in order to call the the .bdrv_co_drain_end() driver callback. This is > now done by a separate bdrv_drain_invoke() call. > > Signed-off-by: Kevin Wolf <kw...@redhat.com> > --- > block/io.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/block/io.c b/block/io.c > index 390d463c71..5fdb92a15e 100644 > --- a/block/io.c > +++ b/block/io.c > @@ -299,7 +299,6 @@ void bdrv_drained_end(BlockDriverState *bs) > > bdrv_parent_drained_end(bs); > bdrv_drain_invoke(bs, false); > - bdrv_drain_recurse(bs); > aio_enable_external(bdrv_get_aio_context(bs)); > } > > @@ -400,7 +399,6 @@ void bdrv_drain_all_end(void) > aio_enable_external(aio_context); > bdrv_parent_drained_end(bs); > bdrv_drain_invoke(bs, false); > - bdrv_drain_recurse(bs); > aio_context_release(aio_context); > } > >
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>