aio: wake up waiters when freeing unused kiocbs

[~andy/linux] / fs / aio.c

diff --git a/fs/aio.c b/fs/aio.c
index 969beb0e22311a4f7e7f4155524709d5dd8269bf..67e4b9047cc944eb63beca468f77e1194956f931 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -490,6 +490,8 @@ static void kiocb_batch_free(struct kioctx *ctx, struct kiocb_batch *batch)
                kmem_cache_free(kiocb_cachep, req);
                ctx->reqs_active--;
        }
+       if (unlikely(!ctx->reqs_active && ctx->dead))
+               wake_up_all(&ctx->wait);
        spin_unlock_irq(&ctx->ctx_lock);
 }