io_uring: drop ctx->uring_lock before flushing work item

[linux-2.6-microblaze.git] / fs / io_uring.c

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 6a82572..0c3e90f 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -7195,17 +7195,19 @@ static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, struct io_ring_ctx *ct
                /* kill initial ref, already quiesced if zero */
                if (atomic_dec_and_test(&data->refs))
                        break;
+               mutex_unlock(&ctx->uring_lock);
                flush_delayed_work(&ctx->rsrc_put_work);
                ret = wait_for_completion_interruptible(&data->done);
-               if (!ret)
+               if (!ret) {
+                       mutex_lock(&ctx->uring_lock);
                        break;
+               }
 
                atomic_inc(&data->refs);
                /* wait for all works potentially completing data->done */
                flush_delayed_work(&ctx->rsrc_put_work);
                reinit_completion(&data->done);
 
-               mutex_unlock(&ctx->uring_lock);
                ret = io_run_task_work_sig();
                mutex_lock(&ctx->uring_lock);
        } while (ret >= 0);