From patchwork Fri Dec 3 23:15:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 12655981 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 DE4A6C433EF for ; Fri, 3 Dec 2021 23:20:52 +0000 (UTC) Received: from localhost ([::1]:56736 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtHrH-0006qg-KY for qemu-devel@archiver.kernel.org; Fri, 03 Dec 2021 18:20:51 -0500 Received: from eggs.gnu.org ([209.51.188.92]:37410) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtHmY-0007Ec-3q for qemu-devel@nongnu.org; Fri, 03 Dec 2021 18:16:00 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:48074) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtHmW-00033G-NX for qemu-devel@nongnu.org; Fri, 03 Dec 2021 18:15:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1638573356; 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=XPqO+0QHBfaom4pEhnAk5AqXR/f6poXPR218L1xFEEU=; b=AqIs8NfQbe1m5KTCZVU409K5cwv5ckMjWCUJtq3x2d0fIaf6xJiVAsg25HlqpBpdZW1K7b 7E7hvXeMf270/5yMbfkSpo14456wZxrVl9L/2V9SOY5gTrMMEAF/fx1YrzOWwTAKA9Vhd2 yptkqTyDqQpgbu7Fiz94UD/DCWPcMdk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-149-Wu5-ZOztPPmUtYSDDt4rjg-1; Fri, 03 Dec 2021 18:15:53 -0500 X-MC-Unique: Wu5-ZOztPPmUtYSDDt4rjg-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 0924585EE61; Fri, 3 Dec 2021 23:15:52 +0000 (UTC) Received: from blue.redhat.com (unknown [10.2.16.22]) by smtp.corp.redhat.com (Postfix) with ESMTP id 209255D9D5; Fri, 3 Dec 2021 23:15:51 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH 01/14] nbd/server: Minor cleanups Date: Fri, 3 Dec 2021 17:15:26 -0600 Message-Id: <20211203231539.3900865-2-eblake@redhat.com> In-Reply-To: <20211203231539.3900865-1-eblake@redhat.com> References: <20211203231307.wmtbw7r72tyzkkax@redhat.com> <20211203231539.3900865-1-eblake@redhat.com> 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=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.129.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.717, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: nsoffer@redhat.com, vsementsov@virtuozzo.com, libguestfs@redhat.com, qemu-block@nongnu.org, nbd@other.debian.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Spelling fixes, grammar improvements and consistent spacing, noticed while preparing other patches in this file. Signed-off-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy --- nbd/server.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/nbd/server.c b/nbd/server.c index 4630dd732250..f302e1cbb03e 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -2085,11 +2085,10 @@ static void nbd_extent_array_convert_to_be(NBDExtentArray *ea) * Add extent to NBDExtentArray. If extent can't be added (no available space), * return -1. * For safety, when returning -1 for the first time, .can_add is set to false, - * further call to nbd_extent_array_add() will crash. - * (to avoid the situation, when after failing to add an extent (returned -1), - * user miss this failure and add another extent, which is successfully added - * (array is full, but new extent may be squashed into the last one), then we - * have invalid array with skipped extent) + * and further calls to nbd_extent_array_add() will crash. + * (this avoids the situation where a caller ignores failure to add one extent, + * where adding another extent that would squash into the last array entry + * would result in an incorrect range reported to the client) */ static int nbd_extent_array_add(NBDExtentArray *ea, uint32_t length, uint32_t flags) @@ -2288,7 +2287,7 @@ static int nbd_co_receive_request(NBDRequestData *req, NBDRequest *request, assert(client->recv_coroutine == qemu_coroutine_self()); ret = nbd_receive_request(client, request, errp); if (ret < 0) { - return ret; + return ret; } trace_nbd_co_receive_request_decode_type(request->handle, request->type, @@ -2648,7 +2647,7 @@ static coroutine_fn void nbd_trip(void *opaque) } if (ret < 0) { - /* It wans't -EIO, so, according to nbd_co_receive_request() + /* It wasn't -EIO, so, according to nbd_co_receive_request() * semantics, we should return the error to the client. */ Error *export_err = local_err;