[Xen-changelog] [xen-unstable] Fix losetup -r flag when we specify 'w!' for the disk mode.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1201267372 0
# Node ID 78a29cf8476b6e6720edbfb4c89c3809be227ffe
# Parent  1a2f557448cf5de825d40e550140637961d2eb46
Fix losetup -r flag when we specify 'w!' for the disk mode.
From: Zhigang Wang <zhigang.x.wang@xxxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 tools/examples/block |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 1a2f557448cf -r 78a29cf8476b tools/examples/block
--- a/tools/examples/block      Thu Jan 24 18:11:44 2008 +0000
+++ b/tools/examples/block      Fri Jan 25 13:22:52 2008 +0000
@@ -329,7 +329,7 @@ mount it read-write in a guest domain."
 
         if LANG=C losetup -h 2>&1 | grep read-only >/dev/null
         then
-          roflag="-$mode"; roflag="${roflag#-w}"
+          roflag="-$mode"; roflag="${roflag#-w}"; roflag="${roflag#-!}"
         else
           roflag=''
         fi

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