diff options
| -rw-r--r-- | block.c | 17 | ||||
| -rw-r--r-- | include/block/block.h | 2 |
2 files changed, 19 insertions, 0 deletions
@@ -3146,6 +3146,23 @@ int bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp) return ret; } +int bdrv_reopen_set_read_only(BlockDriverState *bs, bool read_only, + Error **errp) +{ + int ret; + BlockReopenQueue *queue; + QDict *opts = qdict_new(); + + qdict_put_bool(opts, BDRV_OPT_READ_ONLY, read_only); + + bdrv_subtree_drained_begin(bs); + queue = bdrv_reopen_queue(NULL, bs, opts, bdrv_get_flags(bs)); + ret = bdrv_reopen_multiple(bdrv_get_aio_context(bs), queue, errp); + bdrv_subtree_drained_end(bs); + + return ret; +} + static BlockReopenQueueEntry *find_parent_in_reopen_queue(BlockReopenQueue *q, BdrvChild *c) { diff --git a/include/block/block.h b/include/block/block.h index 7f5453b45b..382e6643fc 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -303,6 +303,8 @@ BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, QDict *options, int flags); int bdrv_reopen_multiple(AioContext *ctx, BlockReopenQueue *bs_queue, Error **errp); int bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp); +int bdrv_reopen_set_read_only(BlockDriverState *bs, bool read_only, + Error **errp); int bdrv_reopen_prepare(BDRVReopenState *reopen_state, BlockReopenQueue *queue, Error **errp); void bdrv_reopen_commit(BDRVReopenState *reopen_state); |