io_fallback_req_func() doesn't expect anyone creating inline completions, and no one currently does that. Teach the function to flush completions preparing for further changes. Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> --- fs/io_uring.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index 3da9f1374612..ba087f395507 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1197,6 +1197,11 @@ static void io_fallback_req_func(struct work_struct *work) percpu_ref_get(&ctx->refs); llist_for_each_entry_safe(req, tmp, node, io_task_work.fallback_node) req->io_task_work.func(req); + + mutex_lock(&ctx->uring_lock); + if (ctx->submit_state.compl_nr) + io_submit_flush_completions(ctx); + mutex_unlock(&ctx->uring_lock); percpu_ref_put(&ctx->refs); } -- 2.32.0
