BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, BlockDriverState *bs, QDict *options, int flags) { assert(bs != NULL); BlockReopenQueueEntry *bs_entry; BdrvChild *child; QDict *old_options; if (bs_queue == NULL) { bs_queue = g_new0(BlockReopenQueue, 1); QSIMPLEQ_INIT(bs_queue); } if (!options) { options = qdict_new(); } old_options = qdict_clone_shallow(bs->options); qdict_join(options, old_options, false); QDECREF(old_options); /* bdrv_open() masks this flag out */ flags &= ~BDRV_O_PROTOCOL; QLIST_FOREACH(child, &bs->children, next) { int child_flags; if (child->bs->inherits_from != bs) { continue; } child_flags = child->role->inherit_flags(flags); /* TODO Pass down child flags (backing.*, extents.*, ...) */ bdrv_reopen_queue(bs_queue, child->bs, NULL, child_flags); } bs_entry = g_new0(BlockReopenQueueEntry, 1); QSIMPLEQ_INSERT_TAIL(bs_queue, bs_entry, entry); bs_entry->state.bs = bs; bs_entry->state.options = options; bs_entry->state.flags = flags; return bs_queue; }
BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, BlockDriverState *bs, QDict *options, int flags) { assert(bs != NULL); BlockReopenQueueEntry *bs_entry; BdrvChild *child; QDict *old_options; if (bs_queue == NULL) { bs_queue = g_new0(BlockReopenQueue, 1); QSIMPLEQ_INIT(bs_queue); } if (!options) { options = qdict_new(); } old_options = qdict_clone_shallow(bs->options); qdict_join(options, old_options, false); QDECREF(old_options);   flags &= ~BDRV_O_PROTOCOL; QLIST_FOREACH(child, &bs->children, next) { int child_flags; if (child->bs->inherits_from != bs) { continue; } child_flags = child->role->inherit_flags(flags);   bdrv_reopen_queue(bs_queue, child->bs, NULL, child_flags); } bs_entry = g_new0(BlockReopenQueueEntry, 1); QSIMPLEQ_INSERT_TAIL(bs_queue, bs_entry, entry); bs_entry->state.bs = bs; bs_entry->state.options = options; bs_entry->state.flags = flags; return bs_queue; }