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[v10,03/16] qemu-io: Set "share-rw" flag together with read-only

Message ID 20170119143816.21972-4-famz@redhat.com
State New
Headers show

Commit Message

Fam Zheng Jan. 19, 2017, 2:38 p.m. UTC 
qemu-io is a low level tool to read or modify guest visible data, which
implies the user knows very well what is being done. Allowing reading
from a locked image is harmless in most cases, so do it.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 qemu-io.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/qemu-io.c b/qemu-io.c
index 23a229f..f000504 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -585,6 +585,8 @@  int main(int argc, char **argv)
     /* open the device */
     if (!readonly) {
         flags |= BDRV_O_RDWR;
+    } else {
+        flags |= BDRV_O_SHARE_RW;
     }
 
     if ((argc - optind) == 1) {