block: add a function to clear incoming live migration flags

This function will clear all BDRV_O_INCOMING flags.

Signed-off-by: Benoit Canet <benoit.canet@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block.c b/block.c
index b3117ef3f1399f2c05368df4bd1472a71f983914..c0c90f061b82445212fcc1c90130d34079fda387 100644 (file)
--- a/block.c
+++ b/block.c
@@ -3624,6 +3624,15 @@ void bdrv_invalidate_cache_all(void)
     }
 }
 
+void bdrv_clear_incoming_migration_all(void)
+{
+    BlockDriverState *bs;
+
+    QTAILQ_FOREACH(bs, &bdrv_states, list) {
+        bs->open_flags = bs->open_flags & ~(BDRV_O_INCOMING);
+    }
+}
+
 int bdrv_flush(BlockDriverState *bs)
 {
     Coroutine *co;

diff --git a/block.h b/block.h
index 5151deab48b537beecd2728cdc2f25ea82029b84..f163e54b5f83b72510bbcd14e027d4f96ad29cdb 100644 (file)
--- a/block.h
+++ b/block.h
@@ -229,6 +229,8 @@ BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
 void bdrv_invalidate_cache(BlockDriverState *bs);
 void bdrv_invalidate_cache_all(void);
 
+void bdrv_clear_incoming_migration_all(void);
+
 /* Ensure contents are flushed to disk.  */
 int bdrv_flush(BlockDriverState *bs);
 int coroutine_fn bdrv_co_flush(BlockDriverState *bs);