diff options
Diffstat (limited to 'block/cloop.c')
| -rw-r--r-- | block/cloop.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/block/cloop.c b/block/cloop.c index d6597fcf78..2be68987bd 100644 --- a/block/cloop.c +++ b/block/cloop.c @@ -23,6 +23,7 @@ */ #include "qemu/osdep.h" #include "qapi/error.h" +#include "qemu/error-report.h" #include "qemu-common.h" #include "block/block_int.h" #include "qemu/module.h" @@ -72,9 +73,15 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags, return -EINVAL; } - ret = bdrv_set_read_only(bs, true, errp); - if (ret < 0) { - return ret; + if (!bdrv_is_read_only(bs)) { + error_report("Opening cloop images without an explicit read-only=on " + "option is deprecated. Future versions will refuse to " + "open the image instead of automatically marking the " + "image read-only."); + ret = bdrv_set_read_only(bs, true, errp); + if (ret < 0) { + return ret; + } } /* read header */ |