From patchwork Mon Feb 18 16:18:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 10818427 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4C31E6CB for ; Mon, 18 Feb 2019 16:21:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C3572B0E0 for ; Mon, 18 Feb 2019 16:21:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 30CBD2B1B8; Mon, 18 Feb 2019 16:21:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D4C352B0E0 for ; Mon, 18 Feb 2019 16:21:03 +0000 (UTC) Received: from localhost ([127.0.0.1]:33082 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gvlfC-0007cn-Mm for patchwork-qemu-devel@patchwork.kernel.org; Mon, 18 Feb 2019 11:21:02 -0500 Received: from eggs.gnu.org ([209.51.188.92]:34706) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gvldM-0006Fr-0L for qemu-devel@nongnu.org; Mon, 18 Feb 2019 11:19:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gvldK-0002MP-58 for qemu-devel@nongnu.org; Mon, 18 Feb 2019 11:19:07 -0500 Received: from mx1.redhat.com ([209.132.183.28]:34944) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gvldH-0002Ce-8U; Mon, 18 Feb 2019 11:19:03 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 64CA68762E; Mon, 18 Feb 2019 16:18:47 +0000 (UTC) Received: from dhcp-200-176.str.redhat.com (dhcp-200-176.str.redhat.com [10.33.200.176]) by smtp.corp.redhat.com (Postfix) with ESMTP id 826A45D70E; Mon, 18 Feb 2019 16:18:45 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Mon, 18 Feb 2019 17:18:11 +0100 Message-Id: <20190218161822.3573-2-kwolf@redhat.com> In-Reply-To: <20190218161822.3573-1-kwolf@redhat.com> References: <20190218161822.3573-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 18 Feb 2019 16:18:47 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 01/12] block-backend: Make blk_inc/dec_in_flight public X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP For some users of BlockBackends, just increasing the in_flight counter is easier than implementing separate handlers in BlockDevOps. Make the helper functions for this public. Signed-off-by: Kevin Wolf --- include/sysemu/block-backend.h | 2 ++ block/block-backend.c | 4 ++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 832a4bf168..e2066eb06b 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -156,6 +156,8 @@ int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int bytes); int blk_co_flush(BlockBackend *blk); int blk_flush(BlockBackend *blk); int blk_commit_all(void); +void blk_inc_in_flight(BlockBackend *blk); +void blk_dec_in_flight(BlockBackend *blk); void blk_drain(BlockBackend *blk); void blk_drain_all(void); void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error, diff --git a/block/block-backend.c b/block/block-backend.c index f6ea824308..0219555f89 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1262,12 +1262,12 @@ int blk_make_zero(BlockBackend *blk, BdrvRequestFlags flags) return bdrv_make_zero(blk->root, flags); } -static void blk_inc_in_flight(BlockBackend *blk) +void blk_inc_in_flight(BlockBackend *blk) { atomic_inc(&blk->in_flight); } -static void blk_dec_in_flight(BlockBackend *blk) +void blk_dec_in_flight(BlockBackend *blk) { atomic_dec(&blk->in_flight); aio_wait_kick();