From patchwork Wed Apr 20 12:41:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanna Czenczek X-Patchwork-Id: 12820181 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A5D4DC433EF for ; Wed, 20 Apr 2022 12:57:24 +0000 (UTC) Received: from localhost ([::1]:50666 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nh9tb-00065M-Pz for qemu-devel@archiver.kernel.org; Wed, 20 Apr 2022 08:57:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56210) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nh9e8-0002Km-L3 for qemu-devel@nongnu.org; Wed, 20 Apr 2022 08:41:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:46770) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nh9e6-00049J-Sn for qemu-devel@nongnu.org; Wed, 20 Apr 2022 08:41:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650458482; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=f1lbctqjoYWtE2nKk+RStis+7Aqzle8szyXHu/XF1gM=; b=XxRmeMI6zYwDa6dNXUk8zY55WjWvqCj9c/4kjs0WYGmvkXjeraFZD0n4xOxDBb9cXSrjQF xact4LzHDIoIzhDI8smpbOUNCZdTxWdwZNFkRjD68KTU7/io0DTF0ydazUozopgbv2W/O+ SywHRkwSDEM3YdlZ+chQtnLP5wZmpo0= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-643-g5iFGWYdMCe0GhPsDJunEg-1; Wed, 20 Apr 2022 08:41:19 -0400 X-MC-Unique: g5iFGWYdMCe0GhPsDJunEg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BAF2A802819; Wed, 20 Apr 2022 12:41:18 +0000 (UTC) Received: from localhost (unknown [10.39.193.151]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 72D7340EC001; Wed, 20 Apr 2022 12:41:18 +0000 (UTC) From: Hanna Reitz To: qemu-block@nongnu.org Subject: [PULL 8/8] qcow2: Add errp to rebuild_refcount_structure() Date: Wed, 20 Apr 2022 14:41:04 +0200 Message-Id: <20220420124104.795836-9-hreitz@redhat.com> In-Reply-To: <20220420124104.795836-1-hreitz@redhat.com> References: <20220420124104.795836-1-hreitz@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Received-SPF: pass client-ip=170.10.129.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Hanna Reitz , Richard Henderson , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Instead of fprint()-ing error messages in rebuild_refcount_structure() and its rebuild_refcounts_write_refblocks() helper, pass them through an Error object to qcow2_check_refcounts() (which will then print it). Suggested-by: Eric Blake Signed-off-by: Hanna Reitz Message-Id: <20220405134652.19278-4-hreitz@redhat.com> Reviewed-by: Eric Blake --- block/qcow2-refcount.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index c5669eaa51..ed0ecfaa89 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -2465,7 +2465,8 @@ static int64_t alloc_clusters_imrt(BlockDriverState *bs, static int rebuild_refcounts_write_refblocks( BlockDriverState *bs, void **refcount_table, int64_t *nb_clusters, int64_t first_cluster, int64_t end_cluster, - uint64_t **on_disk_reftable_ptr, uint32_t *on_disk_reftable_entries_ptr + uint64_t **on_disk_reftable_ptr, uint32_t *on_disk_reftable_entries_ptr, + Error **errp ) { BDRVQcow2State *s = bs->opaque; @@ -2516,8 +2517,8 @@ static int rebuild_refcounts_write_refblocks( nb_clusters, &first_free_cluster); if (refblock_offset < 0) { - fprintf(stderr, "ERROR allocating refblock: %s\n", - strerror(-refblock_offset)); + error_setg_errno(errp, -refblock_offset, + "ERROR allocating refblock"); return refblock_offset; } @@ -2539,6 +2540,7 @@ static int rebuild_refcounts_write_refblocks( on_disk_reftable_entries * REFTABLE_ENTRY_SIZE); if (!on_disk_reftable) { + error_setg(errp, "ERROR allocating reftable memory"); return -ENOMEM; } @@ -2562,7 +2564,7 @@ static int rebuild_refcounts_write_refblocks( ret = qcow2_pre_write_overlap_check(bs, 0, refblock_offset, s->cluster_size, false); if (ret < 0) { - fprintf(stderr, "ERROR writing refblock: %s\n", strerror(-ret)); + error_setg_errno(errp, -ret, "ERROR writing refblock"); return ret; } @@ -2578,7 +2580,7 @@ static int rebuild_refcounts_write_refblocks( ret = bdrv_pwrite(bs->file, refblock_offset, on_disk_refblock, s->cluster_size); if (ret < 0) { - fprintf(stderr, "ERROR writing refblock: %s\n", strerror(-ret)); + error_setg_errno(errp, -ret, "ERROR writing refblock"); return ret; } @@ -2601,7 +2603,8 @@ static int rebuild_refcounts_write_refblocks( static int rebuild_refcount_structure(BlockDriverState *bs, BdrvCheckResult *res, void **refcount_table, - int64_t *nb_clusters) + int64_t *nb_clusters, + Error **errp) { BDRVQcow2State *s = bs->opaque; int64_t reftable_offset = -1; @@ -2652,7 +2655,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs, rebuild_refcounts_write_refblocks(bs, refcount_table, nb_clusters, 0, *nb_clusters, &on_disk_reftable, - &on_disk_reftable_entries); + &on_disk_reftable_entries, errp); if (reftable_size_changed < 0) { res->check_errors++; ret = reftable_size_changed; @@ -2676,8 +2679,8 @@ static int rebuild_refcount_structure(BlockDriverState *bs, refcount_table, nb_clusters, &first_free_cluster); if (reftable_offset < 0) { - fprintf(stderr, "ERROR allocating reftable: %s\n", - strerror(-reftable_offset)); + error_setg_errno(errp, -reftable_offset, + "ERROR allocating reftable"); res->check_errors++; ret = reftable_offset; goto fail; @@ -2695,7 +2698,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs, reftable_start_cluster, reftable_end_cluster, &on_disk_reftable, - &on_disk_reftable_entries); + &on_disk_reftable_entries, errp); if (reftable_size_changed < 0) { res->check_errors++; ret = reftable_size_changed; @@ -2725,7 +2728,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs, ret = qcow2_pre_write_overlap_check(bs, 0, reftable_offset, reftable_length, false); if (ret < 0) { - fprintf(stderr, "ERROR writing reftable: %s\n", strerror(-ret)); + error_setg_errno(errp, -ret, "ERROR writing reftable"); goto fail; } @@ -2733,7 +2736,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs, ret = bdrv_pwrite(bs->file, reftable_offset, on_disk_reftable, reftable_length); if (ret < 0) { - fprintf(stderr, "ERROR writing reftable: %s\n", strerror(-ret)); + error_setg_errno(errp, -ret, "ERROR writing reftable"); goto fail; } @@ -2746,7 +2749,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs, &reftable_offset_and_clusters, sizeof(reftable_offset_and_clusters)); if (ret < 0) { - fprintf(stderr, "ERROR setting reftable: %s\n", strerror(-ret)); + error_setg_errno(errp, -ret, "ERROR setting reftable"); goto fail; } @@ -2814,11 +2817,13 @@ int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res, if (rebuild && (fix & BDRV_FIX_ERRORS)) { BdrvCheckResult old_res = *res; int fresh_leaks = 0; + Error *local_err = NULL; fprintf(stderr, "Rebuilding refcount structure\n"); ret = rebuild_refcount_structure(bs, res, &refcount_table, - &nb_clusters); + &nb_clusters, &local_err); if (ret < 0) { + error_report_err(local_err); goto fail; }