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[Qemu-devel] [PATCH 05/10] qemu-img rebase: Open new backing file read-o


From: Kevin Wolf
Subject: [Qemu-devel] [PATCH 05/10] qemu-img rebase: Open new backing file read-only
Date: Mon, 30 Aug 2010 18:32:28 +0200

We never write to a backing file, so opening rw is useless. It just means that
you can't rebase on top of a file for which you don't have write permissions.

Signed-off-by: Kevin Wolf <address@hidden>
---
 qemu-img.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index e300f91..d2a978b 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1286,7 +1286,7 @@ static int img_rebase(int argc, char **argv)
         }
 
         bs_new_backing = bdrv_new("new_backing");
-        ret = bdrv_open(bs_new_backing, out_baseimg, BDRV_O_FLAGS | 
BDRV_O_RDWR,
+        ret = bdrv_open(bs_new_backing, out_baseimg, BDRV_O_FLAGS,
                         new_backing_drv);
         if (ret) {
             error("Could not open new backing file '%s'", out_baseimg);
-- 
1.7.2.2




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