From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mail19.linbit.com (LINBIT Mail Daemon) with ESMTP id 461C34202EC for ; Mon, 21 Nov 2022 12:30:43 +0100 (CET) From: Wang ShaoBo To: Date: Mon, 21 Nov 2022 19:11:38 +0800 Message-ID: <20221121111138.3665586-1-bobo.shaobowang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Cc: linux-block@vger.kernel.org, axboe@kernel.dk, liwei391@huawei.com, drbd-dev@lists.linbit.com Subject: [Drbd-dev] [PATCH] drbd: destroy workqueue when drbd device was freed List-Id: "*Coordination* of development, patches, contributions -- *Questions* \(even to developers\) go to drbd-user, please." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , A submitter workqueue is dynamically allocated by init_submitter() called by drbd_create_device(), we should destroy it when this device was not needed or destroyed. Fixes: 113fef9e20e0 ("drbd: prepare to queue write requests on a submit worker") Signed-off-by: Wang ShaoBo --- drivers/block/drbd/drbd_main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 8532b839a343..467c498e3add 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2218,6 +2218,9 @@ void drbd_destroy_device(struct kref *kref) kfree(peer_device); } memset(device, 0xfd, sizeof(*device)); + + if (device->submit.wq) + destroy_workqueue(device->submit.wq); kfree(device); kref_put(&resource->kref, drbd_destroy_resource); } @@ -2810,6 +2813,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig put_disk(disk); out_no_disk: kref_put(&resource->kref, drbd_destroy_resource); + if (device->submit.wq) + destroy_workqueue(device->submit.wq); kfree(device); return err; } -- 2.25.1