diff options
Diffstat (limited to 'block/io.c')
| -rw-r--r-- | block/io.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/block/io.c b/block/io.c index 24a18759fd..1e618f9a37 100644 --- a/block/io.c +++ b/block/io.c @@ -55,6 +55,15 @@ void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore, } } +void bdrv_parent_drained_end_single(BdrvChild *c) +{ + assert(c->parent_quiesce_counter > 0); + c->parent_quiesce_counter--; + if (c->role->drained_end) { + c->role->drained_end(c); + } +} + void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore, bool ignore_bds_parents) { @@ -64,9 +73,7 @@ void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore, if (c == ignore || (ignore_bds_parents && c->role->parent_is_bds)) { continue; } - if (c->role->drained_end) { - c->role->drained_end(c); - } + bdrv_parent_drained_end_single(c); } } @@ -96,6 +103,7 @@ static bool bdrv_parent_drained_poll(BlockDriverState *bs, BdrvChild *ignore, void bdrv_parent_drained_begin_single(BdrvChild *c, bool poll) { + c->parent_quiesce_counter++; if (c->role->drained_begin) { c->role->drained_begin(c); } |