diff options
| -rw-r--r-- | blockdev.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 9e0a72a269..a85a429aef 100644 --- a/blockdev.c +++ b/blockdev.c @@ -609,6 +609,10 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi) bdrv_flags |= ro ? 0 : BDRV_O_RDWR; + if (ro && copy_on_read) { + error_report("warning: disabling copy_on_read on readonly drive"); + } + ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv); if (ret < 0) { error_report("could not open disk image %s: %s", |