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authorFam Zheng <famz@redhat.com>2017-04-08 11:34:45 +0800
committerFam Zheng <famz@redhat.com>2017-04-11 20:07:15 +0800
commit14e9559f4624e704a53d0789124b6f9ea9ebb5ca (patch)
tree11441385cdce1ec3129568cff939858408daf8a6
parent17fa24b79ceaa8258e415822cf2e2cb23cf3facb (diff)
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>
-rw-r--r--block/io.c4
-rw-r--r--include/block/block.h16
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