diff options
| -rw-r--r-- | block/io.c | 4 | ||||
| -rw-r--r-- | include/block/block.h | 16 |
2 files changed, 18 insertions, 2 deletions
diff --git a/block/io.c b/block/io.c index 7321ddab3d..959864678f 100644 --- a/block/io.c +++ b/block/io.c @@ -44,7 +44,7 @@ static void coroutine_fn bdrv_co_do_rw(void *opaque); static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int count, BdrvRequestFlags flags); -static void bdrv_parent_drained_begin(BlockDriverState *bs) +void bdrv_parent_drained_begin(BlockDriverState *bs) { BdrvChild *c; @@ -55,7 +55,7 @@ static void bdrv_parent_drained_begin(BlockDriverState *bs) } } -static void bdrv_parent_drained_end(BlockDriverState *bs) +void bdrv_parent_drained_end(BlockDriverState *bs) { BdrvChild *c; diff --git a/include/block/block.h b/include/block/block.h index 3e09222f5f..488a07ed67 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -573,6 +573,22 @@ void bdrv_io_plug(BlockDriverState *bs); void bdrv_io_unplug(BlockDriverState *bs); /** + * bdrv_parent_drained_begin: + * + * Begin a quiesced section of all users of @bs. This is part of + * bdrv_drained_begin. + */ +void bdrv_parent_drained_begin(BlockDriverState *bs); + +/** + * bdrv_parent_drained_end: + * + * End a quiesced section of all users of @bs. This is part of + * bdrv_drained_end. + */ +void bdrv_parent_drained_end(BlockDriverState *bs); + +/** * bdrv_drained_begin: * * Begin a quiesced section for exclusive access to the BDS, by disabling |