From nobody Wed Nov 19 13:55:47 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=1; a=rsa-sha256; t=1615999898; cv=none; d=zohomail.com; s=zohoarc; b=MDFyahvUoBHJmcSbWh6Dfi6vuT0mhhjp79u3J0JD8OD3K3BIqXFlfFZVXKetG8Qb+cg6HasmWB/yj/FcZm/oXYM/OJP74LRa7ZqC/Z2oPJK6L/LRdCIbf2BLVOk1wttQUX/grsDBIl1Gt7XNXLyGr4mpM/dYub/L6cqfUMHnPoY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615999898; 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=jdRv6V4YC3uc+u+U8vjbnEi5Ik3OoBtjZJSkcF8l4y8=; b=PhDZCaKwi2Erp4JQo77dY4bA8YEZvx38519nD6Sh08hKvvAL/IOhwZCOZDbsZb+9zP3ZV1suFpVyW5I1u5aMfnjFybQP5CXYlZyJMeDvzo+ZDWo4iH4rHnwxpfTO+Niod0pkzgegNLTUK7GHgezMEFUIv6Ifis6uLDQfUo7NFoU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=quarantine dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1615999898459225.86030084247102; Wed, 17 Mar 2021 09:51:38 -0700 (PDT) Received: from localhost ([::1]:41652 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMZOT-0000e5-7p for importer@patchew.org; Wed, 17 Mar 2021 12:51:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36250) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMZ7q-0001Z1-IM for qemu-devel@nongnu.org; Wed, 17 Mar 2021 12:34:26 -0400 Received: from relay.sw.ru ([185.231.240.75]:50030) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMZ7o-00053V-P8 for qemu-devel@nongnu.org; Wed, 17 Mar 2021 12:34:26 -0400 Received: from [192.168.15.248] (helo=andrey-MS-7B54.sw.ru) by relay.sw.ru with esmtp (Exim 4.94) (envelope-from ) id 1lMZ7D-0034yI-Qi; Wed, 17 Mar 2021 19:33:47 +0300 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=MIME-Version:Message-Id:Date:Subject:From: Content-Type; bh=jdRv6V4YC3uc+u+U8vjbnEi5Ik3OoBtjZJSkcF8l4y8=; b=dbtVMBK5Bul/ /JIyHgQK7gYQk7JdbSVUJHqIoZlwLRTCoq2LPoCGkvxJtQ06TXZ62+QdCKJZFBcjX/r/4Gqcnu4I7 Hc+4RdYcK8MBUQiuQFtFYKgKiseE6e1nILq/uOqw14IoDenOkOXj4A7je0h3vkoE9s161zPgYtcuG Sy3U4=; From: Andrey Gruzdev To: qemu-devel@nongnu.org Cc: Den Lunev , Eric Blake , Paolo Bonzini , Juan Quintela , "Dr . David Alan Gilbert" , Markus Armbruster , Peter Xu , Andrey Gruzdev Subject: [RFC PATCH 4/9] migration/snap-tool: Introduce qemu_ftell2() routine to qemu-file.c Date: Wed, 17 Mar 2021 19:32:17 +0300 Message-Id: <20210317163222.182609-5-andrey.gruzdev@virtuozzo.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210317163222.182609-1-andrey.gruzdev@virtuozzo.com> References: <20210317163222.182609-1-andrey.gruzdev@virtuozzo.com> 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=185.231.240.75; envelope-from=andrey.gruzdev@virtuozzo.com; helo=relay.sw.ru 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" In several place we need to get QEMUFile input position in the meaning of the number of bytes read by qemu_get_byte()/qemu_get_buffer() routines. Existing qemu_ftell() returns offset in terms of the number of bytes read from underlying IOChannel object which is not suitable here. Signed-off-by: Andrey Gruzdev --- migration/qemu-file.c | 6 ++++++ migration/qemu-file.h | 1 + 2 files changed, 7 insertions(+) diff --git a/migration/qemu-file.c b/migration/qemu-file.c index d6e03dbc0e..66be5e6460 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -657,6 +657,12 @@ int64_t qemu_ftell(QEMUFile *f) return f->pos; } =20 +int64_t qemu_ftell2(QEMUFile *f) +{ + qemu_fflush(f); + return f->pos + f->buf_index - f->buf_size; +} + int qemu_file_rate_limit(QEMUFile *f) { if (f->shutdown) { diff --git a/migration/qemu-file.h b/migration/qemu-file.h index a9b6d6ccb7..bd1a6def02 100644 --- a/migration/qemu-file.h +++ b/migration/qemu-file.h @@ -124,6 +124,7 @@ void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHoo= ks *hooks); int qemu_get_fd(QEMUFile *f); int qemu_fclose(QEMUFile *f); int64_t qemu_ftell(QEMUFile *f); +int64_t qemu_ftell2(QEMUFile *f); int64_t qemu_ftell_fast(QEMUFile *f); /* * put_buffer without copying the buffer. --=20 2.25.1