diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 20 |
1 files changed, 19 insertions, 1 deletions
@@ -659,6 +659,18 @@ int bdrv_parse_cache_mode(const char *mode, int *flags, bool *writethrough) return 0; } +static void bdrv_child_cb_drained_begin(BdrvChild *child) +{ + BlockDriverState *bs = child->opaque; + bdrv_drained_begin(bs); +} + +static void bdrv_child_cb_drained_end(BdrvChild *child) +{ + BlockDriverState *bs = child->opaque; + bdrv_drained_end(bs); +} + /* * Returns the options and flags that a temporary snapshot should get, based on * the originally requested flags (the originally requested image will have @@ -705,6 +717,8 @@ static void bdrv_inherited_options(int *child_flags, QDict *child_options, const BdrvChildRole child_file = { .inherit_options = bdrv_inherited_options, + .drained_begin = bdrv_child_cb_drained_begin, + .drained_end = bdrv_child_cb_drained_end, }; /* @@ -723,6 +737,8 @@ static void bdrv_inherited_fmt_options(int *child_flags, QDict *child_options, const BdrvChildRole child_format = { .inherit_options = bdrv_inherited_fmt_options, + .drained_begin = bdrv_child_cb_drained_begin, + .drained_end = bdrv_child_cb_drained_end, }; /* @@ -750,6 +766,8 @@ static void bdrv_backing_options(int *child_flags, QDict *child_options, static const BdrvChildRole child_backing = { .inherit_options = bdrv_backing_options, + .drained_begin = bdrv_child_cb_drained_begin, + .drained_end = bdrv_child_cb_drained_end, }; static int bdrv_open_flags(BlockDriverState *bs, int flags) @@ -1195,7 +1213,7 @@ BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs, const BdrvChildRole *child_role) { BdrvChild *child = bdrv_root_attach_child(child_bs, child_name, child_role, - NULL); + parent_bs); QLIST_INSERT_HEAD(&parent_bs->children, child, next); return child; } |