These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / block / commit.c

diff --git a/qemu/block/commit.c b/qemu/block/commit.c
index 7312a5b..cba0e8c 100644 (file)
--- a/qemu/block/commit.c
+++ b/qemu/block/commit.c
@@ -12,11 +12,14 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include "trace.h"
 #include "block/block_int.h"
 #include "block/blockjob.h"
+#include "qapi/error.h"
 #include "qapi/qmp/qerror.h"
 #include "qemu/ratelimit.h"
+#include "sysemu/block-backend.h"
 
 enum {
     /*
@@ -213,7 +216,7 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
 
     if ((on_error == BLOCKDEV_ON_ERROR_STOP ||
          on_error == BLOCKDEV_ON_ERROR_ENOSPC) &&
-        !bdrv_iostatus_is_enabled(bs)) {
+        (!bs->blk || !blk_iostatus_is_enabled(bs->blk))) {
         error_setg(errp, "Invalid parameter combination");
         return;
     }
@@ -235,14 +238,14 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
     orig_overlay_flags = bdrv_get_flags(overlay_bs);
 
     /* convert base & overlay_bs to r/w, if necessary */
-    if (!(orig_base_flags & BDRV_O_RDWR)) {
-        reopen_queue = bdrv_reopen_queue(reopen_queue, base,
-                                         orig_base_flags | BDRV_O_RDWR);
-    }
     if (!(orig_overlay_flags & BDRV_O_RDWR)) {
-        reopen_queue = bdrv_reopen_queue(reopen_queue, overlay_bs,
+        reopen_queue = bdrv_reopen_queue(reopen_queue, overlay_bs, NULL,
                                          orig_overlay_flags | BDRV_O_RDWR);
     }
+    if (!(orig_base_flags & BDRV_O_RDWR)) {
+        reopen_queue = bdrv_reopen_queue(reopen_queue, base, NULL,
+                                         orig_base_flags | BDRV_O_RDWR);
+    }
     if (reopen_queue) {
         bdrv_reopen_multiple(reopen_queue, &local_err);
         if (local_err != NULL) {