block: Make bdrv_parent_drained_[^_]*() static

These functions are not used outside of block/io.c, there is no reason
why they should be globally available.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

2 files changed, 4 insertions, 22 deletions

diff --git a/block/io.c b/block/io.c
index c42e18b068..b0b33174d3 100644
--- a/block/io.c
+++ b/block/io.c
@@ -42,8 +42,8 @@ static void bdrv_parent_cb_resize(BlockDriverState *bs);
 static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs,
     int64_t offset, int bytes, BdrvRequestFlags flags);
 
-void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore,
-                               bool ignore_bds_parents)
+static void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore,
+                                      bool ignore_bds_parents)
 {
     BdrvChild *c, *next;
 
@@ -64,8 +64,8 @@ void bdrv_parent_drained_end_single(BdrvChild *c)
     }
 }
 
-void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore,
-                             bool ignore_bds_parents)
+static void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore,
+                                    bool ignore_bds_parents)
 {
     BdrvChild *c, *next;
 
diff --git a/include/block/block.h b/include/block/block.h
index bff3317696..a81645e8a3 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -601,15 +601,6 @@ 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, BdrvChild *ignore,
-                               bool ignore_bds_parents);
-
-/**
  * bdrv_parent_drained_begin_single:
  *
  * Begin a quiesced section for the parent of @c. If @poll is true, wait for
@@ -625,15 +616,6 @@ void bdrv_parent_drained_begin_single(BdrvChild *c, bool poll);
 void bdrv_parent_drained_end_single(BdrvChild *c);
 
 /**
- * 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, BdrvChild *ignore,
-                             bool ignore_bds_parents);
-
-/**
  * bdrv_drain_poll:
  *
  * Poll for pending requests in @bs, its parents (except for @ignore_parent),