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[Qemu-block] [PATCH v3 5/7] block/dirty-bitmaps: prohibit removing reado


From: John Snow
Subject: [Qemu-block] [PATCH v3 5/7] block/dirty-bitmaps: prohibit removing readonly bitmaps
Date: Fri, 1 Mar 2019 14:15:43 -0500

Remove is an inherently RW operation, so this will fail anyway, but
we can fail it very quickly instead of trying and failing, so do so.

Signed-off-by: John Snow <address@hidden>
---
 blockdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/blockdev.c b/blockdev.c
index c8255dda0b..a9a059c570 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2881,7 +2881,8 @@ void qmp_block_dirty_bitmap_remove(const char *node, 
const char *name,
         return;
     }
 
-    if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_BUSY, errp)) {
+    if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_BUSY | BDRV_BITMAP_RO,
+                                errp)) {
         return;
     }
 
-- 
2.17.2




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