From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758278AbaGAQSA (ORCPT ); Tue, 1 Jul 2014 12:18:00 -0400 Received: from zimbra13.linbit.com ([212.69.166.240]:53128 "EHLO zimbra13.linbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758149AbaGAQQ4 (ORCPT ); Tue, 1 Jul 2014 12:16:56 -0400 From: Philipp Reisner To: linux-kernel@vger.kernel.org, Jens Axboe Cc: drbd-dev@lists.linbit.com Subject: [PATCH 20/20] drbd: also keep track of trim -> zero-out fallback peer_requests Date: Tue, 1 Jul 2014 18:16:50 +0200 Message-Id: <1404231410-29852-21-git-send-email-philipp.reisner@linbit.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1404231410-29852-1-git-send-email-philipp.reisner@linbit.com> References: <1404231410-29852-1-git-send-email-philipp.reisner@linbit.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lars Ellenberg To be able to find and present such zero-out fallback peer_requests in debugfs, we add those to "active_ee", once that list drained. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_receiver.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index db5c580..7a1078d 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1370,6 +1370,11 @@ int drbd_submit_peer_request(struct drbd_device *device, /* wait for all pending IO completions, before we start * zeroing things out. */ conn_wait_active_ee_empty(first_peer_device(device)->connection); + /* add it to the active list now, + * so we can find it to present it in debugfs */ + spin_lock_irq(&device->resource->req_lock); + list_add_tail(&peer_req->w.list, &device->active_ee); + spin_unlock_irq(&device->resource->req_lock); if (blkdev_issue_zeroout(device->ldev->backing_bdev, sector, ds >> 9, GFP_NOIO)) peer_req->flags |= EE_WAS_ERROR; -- 1.9.1