diff options
| author | Kevin Shanahan <kmshanah@disenchant.net> | 2012-09-21 08:50:22 +0930 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2012-10-11 21:44:20 -0500 |
| commit | 513cdda198bac6c40e8847c8e8136ec974b67da7 (patch) | |
| tree | 68f44731b2035553e5e704eb0f4a3440425500de | |
| parent | eea54caab066abb4c82573d552a49747f896665d (diff) | |
blockdev: preserve readonly and snapshot states across media changes
If readonly=on is given at device creation time, the ->readonly flag
needs to be set in the block driver state for this device so that
readonly-ness is preserved across media changes (qmp change command).
Similarly, to preserve the snapshot property requires ->open_flags to
be correct.
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 80dd1aae3657a902d262f5d20a7a3c655b23705e)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | blockdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 7c83baa353..e5d450f0bb 100644 --- a/blockdev.c +++ b/blockdev.c @@ -527,6 +527,8 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi) if_name[type], mediastr, unit_id); } dinfo->bdrv = bdrv_new(dinfo->id); + dinfo->bdrv->open_flags = snapshot ? BDRV_O_SNAPSHOT : 0; + dinfo->bdrv->read_only = ro; dinfo->devaddr = devaddr; dinfo->type = type; dinfo->bus = bus_id; |