diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io_uring.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 58ac13b69dc8..6bed44855679 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1236,13 +1236,18 @@ static void io_req_local_work_add(struct io_kiocb *req) { struct io_ring_ctx *ctx = req->ctx; - if (!llist_add(&req->io_task_work.node, &ctx->work_llist)) + percpu_ref_get(&ctx->refs); + + if (!llist_add(&req->io_task_work.node, &ctx->work_llist)) { + percpu_ref_put(&ctx->refs); return; + } /* need it for the following io_cqring_wake() */ smp_mb__after_atomic(); if (unlikely(atomic_read(&req->task->io_uring->in_idle))) { io_move_task_work_from_local(ctx); + percpu_ref_put(&ctx->refs); return; } @@ -1252,6 +1257,7 @@ static void io_req_local_work_add(struct io_kiocb *req) if (ctx->has_evfd) io_eventfd_signal(ctx); __io_cqring_wake(ctx); + percpu_ref_put(&ctx->refs); } void __io_req_task_work_add(struct io_kiocb *req, bool allow_local) |