diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/block-backend.c | 2 | ||||
| -rw-r--r-- | block/io.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index fdb1e1d5f7..3661a066b3 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2328,6 +2328,7 @@ void coroutine_fn blk_co_io_plug(BlockBackend *blk) { BlockDriverState *bs = blk_bs(blk); IO_CODE(); + GRAPH_RDLOCK_GUARD(); if (bs) { bdrv_co_io_plug(bs); @@ -2338,6 +2339,7 @@ void coroutine_fn blk_co_io_unplug(BlockBackend *blk) { BlockDriverState *bs = blk_bs(blk); IO_CODE(); + GRAPH_RDLOCK_GUARD(); if (bs) { bdrv_co_io_unplug(bs); diff --git a/block/io.c b/block/io.c index d9c1594960..b5459c2f41 100644 --- a/block/io.c +++ b/block/io.c @@ -3153,6 +3153,7 @@ void coroutine_fn bdrv_co_io_plug(BlockDriverState *bs) { BdrvChild *child; IO_CODE(); + assert_bdrv_graph_readable(); QLIST_FOREACH(child, &bs->children, next) { bdrv_co_io_plug(child->bs); @@ -3170,6 +3171,7 @@ void coroutine_fn bdrv_co_io_unplug(BlockDriverState *bs) { BdrvChild *child; IO_CODE(); + assert_bdrv_graph_readable(); assert(bs->io_plugged); if (qatomic_fetch_dec(&bs->io_plugged) == 1) { |