[Qemu-devel] [PATCH 4/4 v2 RESEND] block: track dirty flag status in qed

[Dong Xu Wang <wdongxu@linux.vnet.ibm.com>]

From: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>

qed driver use QED_F_NEED_CHECK to mark if the image is clean.

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
---
 block/qed.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/block/qed.c b/block/qed.c
index eb4dd90..d45d5c5 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -1563,6 +1563,12 @@ static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result)
     return qed_check(s, result, false);
 }
 
+static bool bdrv_qed_not_cleanly_down(BlockDriverState *bs)
+{
+    BDRVQEDState *s = bs->opaque;
+    return s->header.features & QED_F_NEED_CHECK;
+}
+
 static QEMUOptionParameter qed_create_options[] = {
     {
         .name = BLOCK_OPT_SIZE,
@@ -1610,6 +1616,7 @@ static BlockDriver bdrv_qed = {
     .bdrv_change_backing_file = bdrv_qed_change_backing_file,
     .bdrv_check               = bdrv_qed_check,
     .bdrv_get_fragment        = bdrv_qed_get_fragment,
+    .bdrv_not_cleanly_down    = bdrv_qed_not_cleanly_down,
 };
 
 static void bdrv_qed_init(void)
-- 
1.7.5.4