Commit-ID: f50152bf01581c7d8d11a9deabe7d33995a784a2
Gitweb: http://git.kernel.org/tip/f50152bf01581c7d8d11a9deabe7d33995a784a2
Author: Pekka Enberg <penberg@xxxxxxxxxx>
AuthorDate: Sun, 24 Jul 2011 23:19:10 +0300
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Sun, 24 Jul 2011 23:19:10 +0300
kvm tools, qcow: Force read-only mode for QCOW images
The QCOW write support isn't stable enough for wide-spread use so force
read-only mode for QCOW images.
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/disk/core.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/tools/kvm/disk/core.c b/tools/kvm/disk/core.c
index 46926fe..20e1990 100644
--- a/tools/kvm/disk/core.c
+++ b/tools/kvm/disk/core.c
@@ -46,9 +46,11 @@ struct disk_image *disk_image__open(const char *filename, bool readonly)
return NULL;
/* qcow image ?*/
- disk = qcow_probe(fd, readonly);
- if (disk)
+ disk = qcow_probe(fd, true);
+ if (disk) {
+ pr_warning("Forcing read-only support for QCOW");
return disk;
+ }
/* raw image ?*/
disk = raw_image__probe(fd, &st, readonly);
@@ -217,4 +219,4 @@ ssize_t disk_image__get_serial(struct disk_image *disk, void *buffer, ssize_t *l
*len = snprintf(buffer, *len, "%llu%llu%llu", (u64)st.st_dev, (u64)st.st_rdev, (u64)st.st_ino);
return *len;
-}
\ No newline at end of file
+}
--
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