[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-block] [PATCH v3 1/2] block: Make bdrv_parent_drained_begin/end pu
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v3 1/2] block: Make bdrv_parent_drained_begin/end public |
Date: |
Mon, 10 Apr 2017 10:26:35 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
---
block/io.c | 4 ++--
include/block/block.h | 16 ++++++++++++++++
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/block/io.c b/block/io.c
index 7321dda..9598646 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 3e09222..488a07e 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
--
2.9.3