From patchwork Mon Jan 25 11:44:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 1431159 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DPSjl1hp8z9s24 for ; Mon, 25 Jan 2021 22:45:47 +1100 (AEDT) Received: from localhost ([::1]:50386 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l40JV-0007xs-6x for incoming@patchwork.ozlabs.org; Mon, 25 Jan 2021 06:45:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l40Il-0007qx-Ll for qemu-devel@nongnu.org; Mon, 25 Jan 2021 06:44:59 -0500 Received: from us-smtp-delivery-44.mimecast.com ([205.139.111.44]:25355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l40Ik-0007N8-6T for qemu-devel@nongnu.org; Mon, 25 Jan 2021 06:44:59 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-288-p1k5znL8Mn-seHq4hD6Bfg-1; Mon, 25 Jan 2021 06:44:53 -0500 X-MC-Unique: p1k5znL8Mn-seHq4hD6Bfg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7583610054FF; Mon, 25 Jan 2021 11:44:52 +0000 (UTC) Received: from bahia.redhat.com (ovpn-112-48.ams2.redhat.com [10.36.112.48]) by smtp.corp.redhat.com (Postfix) with ESMTP id 749685D9D7; Mon, 25 Jan 2021 11:44:51 +0000 (UTC) From: Greg Kurz To: qemu-devel@nongnu.org Subject: [PULL 5/5] 9pfs: Convert reclaim list to QSLIST Date: Mon, 25 Jan 2021 12:44:43 +0100 Message-Id: <20210125114443.933857-6-groug@kaod.org> In-Reply-To: <20210125114443.933857-1-groug@kaod.org> References: <20210125114443.933857-1-groug@kaod.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=groug@kaod.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kaod.org Received-SPF: softfail client-ip=205.139.111.44; envelope-from=groug@kaod.org; helo=us-smtp-delivery-44.mimecast.com X-Spam_score_int: 1 X-Spam_score: 0.1 X-Spam_bar: / X-Spam_report: (0.1 / 5.0 requ) BAYES_00=-1.9, PDS_OTHER_BAD_TLD=1.999, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Christian Schoenebeck , Greg Kurz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Use QSLIST instead of open-coding for a slightly improved readability. No behavioral change. Reviewed-by: Christian Schoenebeck Message-Id: <20210122143514.215780-1-groug@kaod.org> Signed-off-by: Greg Kurz --- hw/9pfs/9p.c | 17 ++++++++--------- hw/9pfs/9p.h | 2 +- 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 3864d014b43c..5a6e2c9d3d7f 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -416,7 +416,9 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu) { int reclaim_count = 0; V9fsState *s = pdu->s; - V9fsFidState *f, *reclaim_list = NULL; + V9fsFidState *f; + QSLIST_HEAD(, V9fsFidState) reclaim_list = + QSLIST_HEAD_INITIALIZER(reclaim_list); QSIMPLEQ_FOREACH(f, &s->fid_list, next) { /* @@ -448,8 +450,7 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu) * a clunk request won't free this fid */ f->ref++; - f->rclm_lst = reclaim_list; - reclaim_list = f; + QSLIST_INSERT_HEAD(&reclaim_list, f, reclaim_next); f->fs_reclaim.fd = f->fs.fd; f->fs.fd = -1; reclaim_count++; @@ -461,8 +462,7 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu) * a clunk request won't free this fid */ f->ref++; - f->rclm_lst = reclaim_list; - reclaim_list = f; + QSLIST_INSERT_HEAD(&reclaim_list, f, reclaim_next); f->fs_reclaim.dir.stream = f->fs.dir.stream; f->fs.dir.stream = NULL; reclaim_count++; @@ -476,15 +476,14 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu) * Now close the fid in reclaim list. Free them if they * are already clunked. */ - while (reclaim_list) { - f = reclaim_list; - reclaim_list = f->rclm_lst; + while (!QSLIST_EMPTY(&reclaim_list)) { + f = QSLIST_FIRST(&reclaim_list); + QSLIST_REMOVE(&reclaim_list, f, V9fsFidState, reclaim_next); if (f->fid_type == P9_FID_FILE) { v9fs_co_close(pdu, &f->fs_reclaim); } else if (f->fid_type == P9_FID_DIR) { v9fs_co_closedir(pdu, &f->fs_reclaim); } - f->rclm_lst = NULL; /* * Now drop the fid reference, free it * if clunked. diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h index 85fb6930b0ca..00381591ffa2 100644 --- a/hw/9pfs/9p.h +++ b/hw/9pfs/9p.h @@ -281,7 +281,7 @@ struct V9fsFidState { int ref; bool clunked; QSIMPLEQ_ENTRY(V9fsFidState) next; - V9fsFidState *rclm_lst; + QSLIST_ENTRY(V9fsFidState) reclaim_next; }; typedef enum AffixType_t {