diff options
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index b3a958c4aa..34f6e5bbb0 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2145,6 +2145,8 @@ void qmp_blockdev_insert_medium(const char *device, const char *node_name, void qmp_blockdev_change_medium(const char *device, const char *filename, bool has_format, const char *format, + bool has_read_only, + BlockdevChangeReadOnlyMode read_only, Error **errp) { BlockBackend *blk; @@ -2166,6 +2168,26 @@ void qmp_blockdev_change_medium(const char *device, const char *filename, bdrv_flags = blk_get_open_flags_from_root_state(blk); + if (!has_read_only) { + read_only = BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN; + } + + switch (read_only) { + case BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN: + break; + + case BLOCKDEV_CHANGE_READ_ONLY_MODE_READ_ONLY: + bdrv_flags &= ~BDRV_O_RDWR; + break; + + case BLOCKDEV_CHANGE_READ_ONLY_MODE_READ_WRITE: + bdrv_flags |= BDRV_O_RDWR; + break; + + default: + abort(); + } + if (has_format) { options = qdict_new(); qdict_put(options, "driver", qstring_from_str(format)); |