diff options
Diffstat (limited to 'include/block/block.h')
| -rw-r--r-- | include/block/block.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/include/block/block.h b/include/block/block.h index 067d24c..836746e 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -557,7 +557,8 @@ void bdrv_io_unplug(BlockDriverState *bs); * Begin a quiesced section of all users of @bs. This is part of * bdrv_drained_begin. */ -void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore); +void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore, + bool ignore_bds_parents); /** * bdrv_parent_drained_end: @@ -565,18 +566,23 @@ void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore); * End a quiesced section of all users of @bs. This is part of * bdrv_drained_end. */ -void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore); +void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore, + bool ignore_bds_parents); /** * bdrv_drain_poll: * * Poll for pending requests in @bs, its parents (except for @ignore_parent), - * and if @recursive is true its children as well. + * and if @recursive is true its children as well (used for subtree drain). + * + * If @ignore_bds_parents is true, parents that are BlockDriverStates must + * ignore the drain request because they will be drained separately (used for + * drain_all). * * This is part of bdrv_drained_begin. */ bool bdrv_drain_poll(BlockDriverState *bs, bool recursive, - BdrvChild *ignore_parent); + BdrvChild *ignore_parent, bool ignore_bds_parents); /** * bdrv_drained_begin: @@ -597,7 +603,7 @@ void bdrv_drained_begin(BlockDriverState *bs); * running requests to complete. */ void bdrv_do_drained_begin_quiesce(BlockDriverState *bs, - BdrvChild *parent); + BdrvChild *parent, bool ignore_bds_parents); /** * Like bdrv_drained_begin, but recursively begins a quiesced section for |