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[Qemu-block] [PATCH v2 2/6] block: Assert attached child node has right
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v2 2/6] block: Assert attached child node has right aio context |
Date: |
Fri, 7 Apr 2017 14:54:10 +0800 |
Suggested-by: Kevin Wolf <address@hidden>
Signed-off-by: Fam Zheng <address@hidden>
---
block.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block.c b/block.c
index 927ba89..b8a3011 100644
--- a/block.c
+++ b/block.c
@@ -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);
--
2.9.3
[Qemu-block] [PATCH v2 5/6] coroutine: Explicitly specify AioContext when entering coroutine, Fam Zheng, 2017/04/07