[Xen-changelog] [xen-3.1-testing] Fix losetup -r flag when we specify 'w!' for the disk mode.

["Xen patchbot-3.1-testing" <patchbot-3.1-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1201516668 0
# Node ID af5e5b1a7c892fadca57fd4634fab6deb8e4d2db
# Parent  f3a62e21b666b3ca553ac38e0cecee71e6a60220
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>
xen-unstable changeset:   16880:78a29cf8476b6e6720edbfb4c89c3809be227ffe
xen-unstable date:        Fri Jan 25 13:22:52 2008 +0000
---
 tools/examples/block |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r f3a62e21b666 -r af5e5b1a7c89 tools/examples/block
--- a/tools/examples/block      Thu Jan 24 14:58:25 2008 +0000
+++ b/tools/examples/block      Mon Jan 28 10:37:48 2008 +0000
@@ -369,7 +369,7 @@ 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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