From patchwork Mon Sep 16 12:16:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Foster X-Patchwork-Id: 11146945 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 A18691745 for ; Mon, 16 Sep 2019 12:16:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8AA05214DE for ; Mon, 16 Sep 2019 12:16:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732374AbfIPMQl (ORCPT ); Mon, 16 Sep 2019 08:16:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50624 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732409AbfIPMQk (ORCPT ); Mon, 16 Sep 2019 08:16:40 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5957D10CC1FB for ; Mon, 16 Sep 2019 12:16:40 +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 189ED5C22C for ; Mon, 16 Sep 2019 12:16:40 +0000 (UTC) From: Brian Foster To: linux-xfs@vger.kernel.org Subject: [PATCH v4 10/11] xfs: factor out tree fixup logic into helper Date: Mon, 16 Sep 2019 08:16:34 -0400 Message-Id: <20190916121635.43148-11-bfoster@redhat.com> In-Reply-To: <20190916121635.43148-1-bfoster@redhat.com> References: <20190916121635.43148-1-bfoster@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.65]); Mon, 16 Sep 2019 12:16:40 +0000 (UTC) Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Lift the btree fixup path into a helper function. Signed-off-by: Brian Foster Reviewed-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 42 +++++++++++++++++++++++++++++---------- fs/xfs/xfs_trace.h | 1 + 2 files changed, 33 insertions(+), 10 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 6f7e4666250c..381a08257aaf 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -883,6 +883,36 @@ xfs_alloc_cur_check( return 0; } +/* + * Complete an allocation of a candidate extent. Remove the extent from both + * trees and update the args structure. + */ +STATIC int +xfs_alloc_cur_finish( + struct xfs_alloc_arg *args, + struct xfs_alloc_cur *acur) +{ + int error; + + ASSERT(acur->cnt && acur->bnolt); + ASSERT(acur->bno >= acur->rec_bno); + ASSERT(acur->bno + acur->len <= acur->rec_bno + acur->rec_len); + ASSERT(acur->rec_bno + acur->rec_len <= + be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length)); + + error = xfs_alloc_fixup_trees(acur->cnt, acur->bnolt, acur->rec_bno, + acur->rec_len, acur->bno, acur->len, 0); + if (error) + return error; + + args->agbno = acur->bno; + args->len = acur->len; + args->wasfromfl = 0; + + trace_xfs_alloc_cur(args); + return 0; +} + /* * Deal with the case where only small freespaces remain. Either return the * contents of the last freespace record, or allocate space from the freelist if @@ -1352,7 +1382,6 @@ xfs_alloc_ag_vextent_near( } else if (error) { goto out; } - args->wasfromfl = 0; /* * First algorithm. @@ -1433,15 +1462,8 @@ xfs_alloc_ag_vextent_near( } alloc: - args->agbno = acur.bno; - args->len = acur.len; - ASSERT(acur.bno >= acur.rec_bno); - ASSERT(acur.bno + acur.len <= acur.rec_bno + acur.rec_len); - ASSERT(acur.rec_bno + acur.rec_len <= - be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length)); - - error = xfs_alloc_fixup_trees(acur.cnt, acur.bnolt, acur.rec_bno, - acur.rec_len, acur.bno, acur.len, 0); + /* fix up btrees on a successful allocation */ + error = xfs_alloc_cur_finish(args, &acur); out: xfs_alloc_cur_close(&acur, error); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 2e57dc3d4230..b8b93068efe7 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1642,6 +1642,7 @@ DEFINE_ALLOC_EVENT(xfs_alloc_exact_notfound); DEFINE_ALLOC_EVENT(xfs_alloc_exact_error); DEFINE_ALLOC_EVENT(xfs_alloc_near_nominleft); DEFINE_ALLOC_EVENT(xfs_alloc_near_first); +DEFINE_ALLOC_EVENT(xfs_alloc_cur); DEFINE_ALLOC_EVENT(xfs_alloc_cur_right); DEFINE_ALLOC_EVENT(xfs_alloc_cur_left); DEFINE_ALLOC_EVENT(xfs_alloc_near_error);