From f50152bf01581c7d8d11a9deabe7d33995a784a2 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Sun, 24 Jul 2011 23:19:10 +0300 Subject: [PATCH] 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 --- tools/kvm/disk/core.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/kvm/disk/core.c b/tools/kvm/disk/core.c index 46926fe1a807..20e19900c00d 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 +} -- 2.39.5