block: Dont ignore previously set bdrv_flags

bdrv_flags is set by bdrv_parse_discard_flags(), but later it is reset
to zero.

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Message-id: 1376483201-13466-1-git-send-email-mohan@in.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/blockdev.c b/blockdev.c
index e174b7d02d39ea0f56a63a36a98e8664cf39e645..bc7016a8d4bb50689ff43b4029f8af23eb7ed1c0 100644 (file)
--- a/blockdev.c
+++ b/blockdev.c
@@ -454,7 +454,6 @@ static DriveInfo *blockdev_init(QemuOpts *all_opts,
         }
     }
 
-    bdrv_flags = 0;
     if (qemu_opt_get_bool(opts, "cache.writeback", true)) {
         bdrv_flags |= BDRV_O_CACHE_WB;
     }