From patchwork Wed Jun 28 14:15:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 1801137 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=K1e96nr4; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QrkGy12NTz20bH for ; Thu, 29 Jun 2023 00:19:22 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qEVyB-0000IG-Cu; Wed, 28 Jun 2023 10:16:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qEVy4-0008V7-Tq for qemu-devel@nongnu.org; Wed, 28 Jun 2023 10:16:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qEVy3-0005OE-4Q for qemu-devel@nongnu.org; Wed, 28 Jun 2023 10:16:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687961782; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=B2OIJbsBRHq3dAFB1PjrNM7Ngyqas2Lg9ragXt9nc3c=; b=K1e96nr4tzoBQj3PCntKwu+URIXSbeyIRosOimM7/1ck6N/H/eL876ATuXaqH7LtpjBbyC Md43T3jrGnJSNKeuUmHdZ7AD9nZcF00Y9qpNUxF220/RPZiv3ML2uKnZkAVkVG8rXCR7l6 bn0ycr3rJR5hpGgGbGUrVKfHKOrYNNA= 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-98-uZk6sP0IPVeIQBbAsP9tWg-1; Wed, 28 Jun 2023 10:16:11 -0400 X-MC-Unique: uZk6sP0IPVeIQBbAsP9tWg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D34AD8002BF; Wed, 28 Jun 2023 14:15:58 +0000 (UTC) Received: from merkur.redhat.com (unknown [10.39.195.21]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2D64E40C2063; Wed, 28 Jun 2023 14:15:58 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, richard.henderson@linaro.org, qemu-devel@nongnu.org Subject: [PULL 19/23] vmdk: mark more functions as coroutine_fns and GRAPH_RDLOCK Date: Wed, 28 Jun 2023 16:15:22 +0200 Message-ID: <20230628141526.293104-20-kwolf@redhat.com> In-Reply-To: <20230628141526.293104-1-kwolf@redhat.com> References: <20230628141526.293104-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Paolo Bonzini Mark functions as coroutine_fn when they are only called by other coroutine_fns and they can suspend. Change calls to co_wrappers to use the non-wrapped functions, which in turn requires adding GRAPH_RDLOCK annotations. Signed-off-by: Paolo Bonzini Message-ID: <20230601115145.196465-9-pbonzini@redhat.com> Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- block/vmdk.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/block/vmdk.c b/block/vmdk.c index e3e86608ec..0410b895dc 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -339,7 +339,8 @@ out: return ret; } -static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid) +static int coroutine_fn GRAPH_RDLOCK +vmdk_write_cid(BlockDriverState *bs, uint32_t cid) { char *desc, *tmp_desc; char *p_name, *tmp_str; @@ -348,7 +349,7 @@ static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid) desc = g_malloc0(DESC_SIZE); tmp_desc = g_malloc0(DESC_SIZE); - ret = bdrv_pread(bs->file, s->desc_offset, DESC_SIZE, desc, 0); + ret = bdrv_co_pread(bs->file, s->desc_offset, DESC_SIZE, desc, 0); if (ret < 0) { goto out; } @@ -368,7 +369,7 @@ static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid) pstrcat(desc, DESC_SIZE, tmp_desc); } - ret = bdrv_pwrite_sync(bs->file, s->desc_offset, DESC_SIZE, desc, 0); + ret = bdrv_co_pwrite_sync(bs->file, s->desc_offset, DESC_SIZE, desc, 0); out: g_free(desc); @@ -2165,7 +2166,7 @@ vmdk_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int64_t bytes, return ret; } -static int GRAPH_UNLOCKED +static int coroutine_fn GRAPH_UNLOCKED vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress, bool zeroed_grain, Error **errp) { @@ -2176,7 +2177,7 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress, int gd_buf_size; if (flat) { - ret = blk_truncate(blk, filesize, false, PREALLOC_MODE_OFF, 0, errp); + ret = blk_co_truncate(blk, filesize, false, PREALLOC_MODE_OFF, 0, errp); goto exit; } magic = cpu_to_be32(VMDK4_MAGIC); @@ -2228,19 +2229,19 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress, header.check_bytes[3] = 0xa; /* write all the data */ - ret = blk_pwrite(blk, 0, sizeof(magic), &magic, 0); + ret = blk_co_pwrite(blk, 0, sizeof(magic), &magic, 0); if (ret < 0) { error_setg(errp, QERR_IO_ERROR); goto exit; } - ret = blk_pwrite(blk, sizeof(magic), sizeof(header), &header, 0); + ret = blk_co_pwrite(blk, sizeof(magic), sizeof(header), &header, 0); if (ret < 0) { error_setg(errp, QERR_IO_ERROR); goto exit; } - ret = blk_truncate(blk, le64_to_cpu(header.grain_offset) << 9, false, - PREALLOC_MODE_OFF, 0, errp); + ret = blk_co_truncate(blk, le64_to_cpu(header.grain_offset) << 9, false, + PREALLOC_MODE_OFF, 0, errp); if (ret < 0) { goto exit; } @@ -2252,8 +2253,8 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress, i < gt_count; i++, tmp += gt_size) { gd_buf[i] = cpu_to_le32(tmp); } - ret = blk_pwrite(blk, le64_to_cpu(header.rgd_offset) * BDRV_SECTOR_SIZE, - gd_buf_size, gd_buf, 0); + ret = blk_co_pwrite(blk, le64_to_cpu(header.rgd_offset) * BDRV_SECTOR_SIZE, + gd_buf_size, gd_buf, 0); if (ret < 0) { error_setg(errp, QERR_IO_ERROR); goto exit; @@ -2264,8 +2265,8 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress, i < gt_count; i++, tmp += gt_size) { gd_buf[i] = cpu_to_le32(tmp); } - ret = blk_pwrite(blk, le64_to_cpu(header.gd_offset) * BDRV_SECTOR_SIZE, - gd_buf_size, gd_buf, 0); + ret = blk_co_pwrite(blk, le64_to_cpu(header.gd_offset) * BDRV_SECTOR_SIZE, + gd_buf_size, gd_buf, 0); if (ret < 0) { error_setg(errp, QERR_IO_ERROR); }