block: Make bdrv_parent_drained_begin/end public

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2017-04-08 11:34:45 +08:00
parent 17fa24b79c
commit 14e9559f46
2 changed files with 18 additions and 2 deletions

View File

@ -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;

View File

@ -572,6 +572,22 @@ int bdrv_probe_geometry(BlockDriverState *bs, HDGeometry *geo);
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:
*