Commit bb2614e9 authored by Fam Zheng's avatar Fam Zheng Committed by Kevin Wolf
Browse files

block: Assert attached child node has right aio context 



Suggested-by: default avatarKevin Wolf <kwolf@redhat.com>
Signed-off-by: default avatarFam Zheng <famz@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent c26a5ab7

block.c

+4 −0
Original line number Diff line number Diff line
@@ -1752,6 +1752,9 @@ static void bdrv_replace_child_noperm(BdrvChild *child, 
{

    BlockDriverState *old_bs = child->bs;



    if (old_bs && new_bs) {

        assert(bdrv_get_aio_context(old_bs) == bdrv_get_aio_context(new_bs));

    }

    if (old_bs) {

        if (old_bs->quiesce_counter && child->role->drained_end) {

            child->role->drained_end(child);
@@ -1852,6 +1855,7 @@ BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs, 
    bdrv_get_cumulative_perm(parent_bs, &perm, &shared_perm);



    assert(parent_bs->drv);

    assert(bdrv_get_aio_context(parent_bs) == bdrv_get_aio_context(child_bs));

    parent_bs->drv->bdrv_child_perm(parent_bs, NULL, child_role,

                                    perm, shared_perm, &perm, &shared_perm);