From patchwork Thu Sep 5 19:48:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Goyal X-Patchwork-Id: 11133877 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1C29E14B4 for ; Thu, 5 Sep 2019 19:50:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6ACD20825 for ; Thu, 5 Sep 2019 19:50:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391492AbfIETuR (ORCPT ); Thu, 5 Sep 2019 15:50:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60340 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388269AbfIETt1 (ORCPT ); Thu, 5 Sep 2019 15:49:27 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 01828308FBAC; Thu, 5 Sep 2019 19:49:27 +0000 (UTC) Received: from horse.redhat.com (unknown [10.18.25.137]) by smtp.corp.redhat.com (Postfix) with ESMTP id CFF0660127; Thu, 5 Sep 2019 19:49:26 +0000 (UTC) Received: by horse.redhat.com (Postfix, from userid 10451) id 2B9612253A9; Thu, 5 Sep 2019 15:49:18 -0400 (EDT) From: Vivek Goyal To: linux-fsdevel@vger.kernel.org, virtualization@lists.linux-foundation.org, miklos@szeredi.hu Cc: linux-kernel@vger.kernel.org, virtio-fs@redhat.com, vgoyal@redhat.com, stefanha@redhat.com, dgilbert@redhat.com, mst@redhat.com Subject: [PATCH 17/18] virtiofs: Remove TODO to quiesce/end_requests Date: Thu, 5 Sep 2019 15:48:58 -0400 Message-Id: <20190905194859.16219-18-vgoyal@redhat.com> In-Reply-To: <20190905194859.16219-1-vgoyal@redhat.com> References: <20190905194859.16219-1-vgoyal@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Thu, 05 Sep 2019 19:49:27 +0000 (UTC) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org We now stop queues and drain all the pending requests from all virtqueues. So this is not a TODO anymore. Got rid of incrementing fc->dev_count as well. It did not seem meaningful for virtio_fs. Signed-off-by: Vivek Goyal Reviewed-by: Stefan Hajnoczi --- fs/fuse/virtio_fs.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index c483482185b6..eadaea6eb8e2 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -208,7 +208,6 @@ static void virtio_fs_free_devs(struct virtio_fs *fs) if (!fsvq->fud) continue; - /* TODO need to quiesce/end_requests/decrement dev_count */ fuse_dev_free(fsvq->fud); fsvq->fud = NULL; } @@ -1022,7 +1021,6 @@ static int virtio_fs_fill_super(struct super_block *sb) if (i == VQ_REQUEST) continue; /* already initialized */ fuse_dev_install(fsvq->fud, fc); - atomic_inc(&fc->dev_count); } /* Previous unmount will stop all queues. Start these again */