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[Qemu-block] [PULL 03/37] block: Make bdrv_states public

From: Kevin Wolf
Subject: [Qemu-block] [PULL 03/37] block: Make bdrv_states public
Date: Thu, 5 Nov 2015 19:17:31 +0100

From: Max Reitz <address@hidden>

When inserting a BDS tree into a BB, we will need to add the root BDS to
this list. Since we will want to do that in the blockdev-insert-medium
implementation in blockdev.c, we will need access to it there.

This patch is not exactly elegant, but bdrv_states will be removed in
the future anyway because we no longer need it since we have BBs.

Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Alberto Garcia <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
 block.c                   | 3 +--
 include/block/block_int.h | 2 ++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/block.c b/block.c
index eb8158a..a99e6d8 100644
--- a/block.c
+++ b/block.c
@@ -73,8 +73,7 @@ struct BdrvDirtyBitmap {
 #define NOT_DONE 0x7fffffff /* used while emulated sync operation in progress 
-static QTAILQ_HEAD(, BlockDriverState) bdrv_states =
-    QTAILQ_HEAD_INITIALIZER(bdrv_states);
+struct BdrvStates bdrv_states = QTAILQ_HEAD_INITIALIZER(bdrv_states);
 static QTAILQ_HEAD(, BlockDriverState) graph_bdrv_states =
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 3ceeb5a..6a3f64d 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -473,6 +473,8 @@ extern BlockDriver bdrv_file;
 extern BlockDriver bdrv_raw;
 extern BlockDriver bdrv_qcow2;
+extern QTAILQ_HEAD(BdrvStates, BlockDriverState) bdrv_states;
  * bdrv_setup_io_funcs:

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