From nobody Sat Feb 7 03:12:51 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1615249757; cv=none; d=zohomail.com; s=zohoarc; b=iID+Go0Ugsm2FuJIyeGbuSnysE5qN0ORN3Edwv0dKJaqK36IzgrabbduLcHUl7Ebss8E6atxiZOgFepVfEHhE0PCULHYU1zdpVIl+t/sMSy1PAF7ESHOmxEq0sggQjGADgZibIQq2TWvGK9JF/jz4Omq8Xp5SrTUvterCW0Fszs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615249757; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=RIP/r3nyG15GF413S6T6+JeyoT6XtJQWSwQR9etpPKM=; b=aIQjIFUkXXa4fMGVKNroU5coZZ6AmD3ntjpe+cbFNNndfxfgBB9OVOTTW8RimB66hVk1FZDW1zVM07gpZDfIWzw/QCQ1FrEjAhKqIYyng+G/Pu6f+D1UWiHG3Ley9KhX7kY0h7jrNiu2uVwxH8gdWCOfPp//SUKK9MTFSwliPNc= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16152497572931003.137981298991; Mon, 8 Mar 2021 16:29:17 -0800 (PST) Received: from localhost ([::1]:54980 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJQFQ-0002KJ-7S for importer@patchew.org; Mon, 08 Mar 2021 19:29:16 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:50308) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJQE4-0000Qr-Ut; Mon, 08 Mar 2021 19:27:52 -0500 Received: from mail-pl1-f172.google.com ([209.85.214.172]:46884) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lJQE3-0006Mv-Hn; Mon, 08 Mar 2021 19:27:52 -0500 Received: by mail-pl1-f172.google.com with SMTP id u11so5665253plg.13; Mon, 08 Mar 2021 16:27:50 -0800 (PST) Received: from localhost.localdomain ([73.93.154.215]) by smtp.gmail.com with ESMTPSA id d2sm466764pjx.42.2021.03.08.16.27.48 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Mar 2021 16:27:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=RIP/r3nyG15GF413S6T6+JeyoT6XtJQWSwQR9etpPKM=; b=U9S4Ffi0ggyp/VFlMU+sviXtB9MiwSKoprQ7N2s6Q5mtUnfRgIua/1YU4MI4J2GpCv me2RUR6zVsuX3Gj08jK99Lkqw6XoFQ+Pv/3AK1X3NXokTETdYk/azLYvoTv1qggr3mYl 59cvRsyIVtL+FeITv0DPwTHVnC85JaxC8OZCZORi+Lu/1LT6+vLI/zqI04Bx2NNKIAEp CzxVThtRxUrTcWnypFATWa4azZFoZE1Pva6cSwHJfBJcAGEk8r+cfTj1BaMdsB7ZOTpL DzpdUq3j/qpLV58xc+jR4VfoS7dU93QcWfQoq4fKVGNs5STYBZWLSORvEAmL3iMODHSE ej5A== X-Gm-Message-State: AOAM5331kPrmgaDtJNeC08SJf8rhDd+T5dGP3dAUHDFHPLnaHoWXD73a sGfQehurb2vaxqBXN/AmYNpTyXpWImA= X-Google-Smtp-Source: ABdhPJy+evH0l2iPP2i20R8vNGvLwBVpuAjHw7BmCzqw+hydu+2PcyKVVorvHIsDJliRSHiDyGF/mA== X-Received: by 2002:a17:90a:b63:: with SMTP id 90mr1661927pjq.124.1615249669527; Mon, 08 Mar 2021 16:27:49 -0800 (PST) From: Joelle van Dyne To: qemu-devel@nongnu.org Subject: [PATCH v2 3/4] block: detect DKIOCGETBLOCKCOUNT/SIZE before use Date: Mon, 8 Mar 2021 16:27:40 -0800 Message-Id: <20210309002741.85057-4-j@getutm.app> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210309002741.85057-1-j@getutm.app> References: <20210309002741.85057-1-j@getutm.app> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=209.85.214.172; envelope-from=osy86github@gmail.com; helo=mail-pl1-f172.google.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: Kevin Wolf , "open list:raw" , Joelle van Dyne , Warner Losh , Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" iOS hosts do not have these defined so we fallback to the default behaviour. Co-authored-by: Warner Losh Signed-off-by: Joelle van Dyne Reviewed-by: Peter Maydell --- block/file-posix.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/block/file-posix.c b/block/file-posix.c index d1ab3180ff..9b6d7ddda3 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -2326,8 +2326,10 @@ static int64_t raw_getlength(BlockDriverState *bs) again: #endif if (!fstat(fd, &sb) && (S_IFCHR & sb.st_mode)) { + size =3D 0; #ifdef DIOCGMEDIASIZE if (ioctl(fd, DIOCGMEDIASIZE, (off_t *)&size)) + size =3D 0; #elif defined(DIOCGPART) { struct partinfo pi; @@ -2336,9 +2338,7 @@ again: else size =3D 0; } - if (size =3D=3D 0) -#endif -#if defined(__APPLE__) && defined(__MACH__) +#elif defined(DKIOCGETBLOCKCOUNT) && defined(DKIOCGETBLOCKSIZE) { uint64_t sectors =3D 0; uint32_t sector_size =3D 0; @@ -2346,19 +2346,15 @@ again: if (ioctl(fd, DKIOCGETBLOCKCOUNT, §ors) =3D=3D 0 && ioctl(fd, DKIOCGETBLOCKSIZE, §or_size) =3D=3D 0) { size =3D sectors * sector_size; - } else { - size =3D lseek(fd, 0LL, SEEK_END); - if (size < 0) { - return -errno; - } } } -#else - size =3D lseek(fd, 0LL, SEEK_END); +#endif + if (size =3D=3D 0) { + size =3D lseek(fd, 0LL, SEEK_END); + } if (size < 0) { return -errno; } -#endif #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) switch(s->type) { case FTYPE_CD: --=20 2.28.0