diff --git a/fs/io_uring.c b/fs/io_uring.c index 1627d69a570c..3632b5a4f13f 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1513,32 +1513,28 @@ static bool io_cqring_event_overflow(struct io_kiocb *req, long res, unsigned int cflags) { struct io_ring_ctx *ctx = req->ctx; + struct io_overflow_cqe *ocqe; - if (!atomic_read(&req->task->io_uring->in_idle)) { - struct io_overflow_cqe *ocqe; - - ocqe = kmalloc(sizeof(*ocqe), GFP_ATOMIC | __GFP_ACCOUNT); - if (!ocqe) - goto overflow; - if (list_empty(&ctx->cq_overflow_list)) { - set_bit(0, &ctx->sq_check_overflow); - set_bit(0, &ctx->cq_check_overflow); - ctx->rings->sq_flags |= IORING_SQ_CQ_OVERFLOW; - } - ocqe->cqe.user_data = req->user_data; - ocqe->cqe.res = res; - ocqe->cqe.flags = cflags; - list_add_tail(&ocqe->list, &ctx->cq_overflow_list); - return true; + ocqe = kmalloc(sizeof(*ocqe), GFP_ATOMIC | __GFP_ACCOUNT); + if (!ocqe) { + /* + * If we're in ring overflow flush mode, or in task cancel mode, + * or cannot allocate an overflow entry, then we need to drop it + * on the floor. + */ + WRITE_ONCE(ctx->rings->cq_overflow, ++ctx->cached_cq_overflow); + return false; } -overflow: - /* - * If we're in ring overflow flush mode, or in task cancel mode, - * or cannot allocate an overflow entry, then we need to drop it - * on the floor. - */ - WRITE_ONCE(ctx->rings->cq_overflow, ++ctx->cached_cq_overflow); - return false; + if (list_empty(&ctx->cq_overflow_list)) { + set_bit(0, &ctx->sq_check_overflow); + set_bit(0, &ctx->cq_check_overflow); + ctx->rings->sq_flags |= IORING_SQ_CQ_OVERFLOW; + } + ocqe->cqe.user_data = req->user_data; + ocqe->cqe.res = res; + ocqe->cqe.flags = cflags; + list_add_tail(&ocqe->list, &ctx->cq_overflow_list); + return true; } static inline bool __io_cqring_fill_event(struct io_kiocb *req, long res,