diff options
| -rw-r--r-- | nbd/server.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/nbd/server.c b/nbd/server.c index 5357f588f0..4752a6c8bc 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -102,6 +102,8 @@ struct NBDExport { }; static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports); +static QTAILQ_HEAD(, NBDExport) closed_exports = + QTAILQ_HEAD_INITIALIZER(closed_exports); /* NBDExportMetaContexts represents a list of contexts to be exported, * as selected by NBD_OPT_SET_META_CONTEXT. Also used for @@ -1659,6 +1661,7 @@ void nbd_export_close(NBDExport *exp) g_free(exp->name); exp->name = NULL; QTAILQ_REMOVE(&exports, exp, next); + QTAILQ_INSERT_TAIL(&closed_exports, exp, next); } g_free(exp->description); exp->description = NULL; @@ -1722,7 +1725,9 @@ void nbd_export_put(NBDExport *exp) g_free(exp->export_bitmap_context); } + QTAILQ_REMOVE(&closed_exports, exp, next); g_free(exp); + aio_wait_kick(); } } @@ -1742,6 +1747,9 @@ void nbd_export_close_all(void) nbd_export_close(exp); aio_context_release(aio_context); } + + AIO_WAIT_WHILE(NULL, !(QTAILQ_EMPTY(&exports) && + QTAILQ_EMPTY(&closed_exports))); } static int coroutine_fn nbd_co_send_iov(NBDClient *client, struct iovec *iov, |