diff --git a/include/block/aio.h b/include/block/aio.h index 62ed954344..b2f703fa3f 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -701,6 +701,9 @@ void aio_context_setup(AioContext *ctx); */ void aio_context_destroy(AioContext *ctx); +/* Used internally, do not call outside AioContext code */ +void aio_context_use_g_source(AioContext *ctx); + /** * aio_context_set_poll_params: * @ctx: the aio context diff --git a/util/aio-posix.c b/util/aio-posix.c index 8af334ab19..1b2a3af65b 100644 --- a/util/aio-posix.c +++ b/util/aio-posix.c @@ -682,6 +682,18 @@ void aio_context_destroy(AioContext *ctx) aio_free_deleted_handlers(ctx); } +void aio_context_use_g_source(AioContext *ctx) +{ + /* + * Disable io_uring when the glib main loop is used because it doesn't + * support mixed glib/aio_poll() usage. It relies on aio_poll() being + * called regularly so that changes to the monitored file descriptors are + * submitted, otherwise a list of pending fd handlers builds up. + */ + fdmon_io_uring_destroy(ctx); + aio_free_deleted_handlers(ctx); +} + void aio_context_set_poll_params(AioContext *ctx, int64_t max_ns, int64_t grow, int64_t shrink, Error **errp) { diff --git a/util/aio-win32.c b/util/aio-win32.c index 729d533faf..953c56ab48 100644 --- a/util/aio-win32.c +++ b/util/aio-win32.c @@ -414,6 +414,10 @@ void aio_context_destroy(AioContext *ctx) { } +void aio_context_use_g_source(AioContext *ctx) +{ +} + void aio_context_set_poll_params(AioContext *ctx, int64_t max_ns, int64_t grow, int64_t shrink, Error **errp) { diff --git a/util/async.c b/util/async.c index 3165a28f2f..1319eee3bc 100644 --- a/util/async.c +++ b/util/async.c @@ -362,6 +362,7 @@ static GSourceFuncs aio_source_funcs = { GSource *aio_get_g_source(AioContext *ctx) { + aio_context_use_g_source(ctx); g_source_ref(&ctx->source); return &ctx->source; }