From patchwork Mon Jul 30 16:45:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Foster X-Patchwork-Id: 10549381 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27784A809 for ; Mon, 30 Jul 2018 16:45:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1A1AC2876D for ; Mon, 30 Jul 2018 16:45:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0E7FB2A5EB; Mon, 30 Jul 2018 16:45:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A8BD2A5DC for ; Mon, 30 Jul 2018 16:45:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732151AbeG3SVP (ORCPT ); Mon, 30 Jul 2018 14:21:15 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:32804 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732162AbeG3SVM (ORCPT ); Mon, 30 Jul 2018 14:21:12 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9B4A54023444 for ; Mon, 30 Jul 2018 16:45:22 +0000 (UTC) Received: from bfoster.bos.redhat.com (dhcp-41-2.bos.redhat.com [10.18.41.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8043B112D179 for ; Mon, 30 Jul 2018 16:45:22 +0000 (UTC) From: Brian Foster To: linux-xfs@vger.kernel.org Subject: [PATCH 14/15] xfs: always defer agfl block frees Date: Mon, 30 Jul 2018 12:45:19 -0400 Message-Id: <20180730164520.36882-15-bfoster@redhat.com> In-Reply-To: <20180730164520.36882-1-bfoster@redhat.com> References: <20180730164520.36882-1-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Mon, 30 Jul 2018 16:45:22 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Mon, 30 Jul 2018 16:45:22 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'bfoster@redhat.com' RCPT:'' Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The AGFL fixup code conditionally defers block frees from the free list based on whether the current transaction has an associated xfs_defer_ops structure. Now that dfops is embedded in the transaction and the internal dfops is used unconditionally, this invariant is always true. Remove the now dead logic to check for ->t_dfops in xfs_alloc_fix_freelist() and unconditionally defer AGFL block frees. Signed-off-by: Brian Foster Reviewed-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_alloc.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 6bacdc31a439..32a370665d71 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2323,15 +2323,8 @@ xfs_alloc_fix_freelist( if (error) goto out_agbp_relse; - /* defer agfl frees if dfops is provided */ - if (tp->t_dfops) { - xfs_defer_agfl_block(tp, args->agno, bno, &targs.oinfo); - } else { - error = xfs_free_agfl_block(tp, args->agno, bno, agbp, - &targs.oinfo); - if (error) - goto out_agbp_relse; - } + /* defer agfl frees */ + xfs_defer_agfl_block(tp, args->agno, bno, &targs.oinfo); } targs.tp = tp;