From patchwork Wed Jan 16 16:25:14 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Beno=C3=AEt_Canet?= X-Patchwork-Id: 212838 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 2C5AE2C0086 for ; Thu, 17 Jan 2013 04:11:36 +1100 (EST) Received: from localhost ([::1]:43231 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvVry-0007LY-8O for incoming@patchwork.ozlabs.org; Wed, 16 Jan 2013 11:29:42 -0500 Received: from eggs.gnu.org ([208.118.235.92]:42281) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvVrY-0006ll-52 for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:29:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TvVrV-0007wR-K5 for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:29:16 -0500 Received: from nodalink.pck.nerim.net ([62.212.105.220]:43414 helo=paradis.irqsave.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvVrV-0007wJ-Ca for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:29:13 -0500 Received: by paradis.irqsave.net (Postfix, from userid 1002) id EC8398742F8; Wed, 16 Jan 2013 18:00:49 +0100 (CET) Received: from localhost.localdomain (unknown [192.168.77.1]) by paradis.irqsave.net (Postfix) with ESMTP id 532AB874356; Wed, 16 Jan 2013 17:56:24 +0100 (CET) From: =?UTF-8?q?Beno=C3=AEt=20Canet?= To: qemu-devel@nongnu.org Date: Wed, 16 Jan 2013 17:25:14 +0100 Message-Id: <1358353518-5421-9-git-send-email-benoit@irqsave.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358353518-5421-1-git-send-email-benoit@irqsave.net> References: <1358353518-5421-1-git-send-email-benoit@irqsave.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 62.212.105.220 Cc: kwolf@redhat.com, pbonzini@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@redhat.com Subject: [Qemu-devel] [RFC V1 08/12] qcow2: Add qcow2_resume_dedup. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 --- block/qcow2-dedup.c | 14 ++++++++++++++ block/qcow2.c | 1 + block/qcow2.h | 1 + 3 files changed, 16 insertions(+) diff --git a/block/qcow2-dedup.c b/block/qcow2-dedup.c index e007387..93545af 100644 --- a/block/qcow2-dedup.c +++ b/block/qcow2-dedup.c @@ -1469,3 +1469,17 @@ void qcow2_pause_dedup(BlockDriverState *bs) qcow2_dedup_reset(bs); s->dedup_status = QCOW_DEDUP_STOPPED; } + +void qcow2_resume_dedup(BlockDriverState *bs) +{ + BDRVQcowState *s = bs->opaque; + + if (s->dedup_status != QCOW_DEDUP_STOPPED) { + return; + } + + s->dedup_status = QCOW_DEDUP_STARTING; + + s->dedup_resume_co = qemu_coroutine_create(qcow2_co_dedup_resume); + qemu_coroutine_enter(s->dedup_resume_co, bs); +} diff --git a/block/qcow2.c b/block/qcow2.c index c17ab63..d5681ad 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2012,6 +2012,7 @@ static BlockDriver bdrv_qcow2 = { .bdrv_invalidate_cache = qcow2_invalidate_cache, .bdrv_pause_dedup = qcow2_pause_dedup, + .bdrv_resume_dedup = qcow2_resume_dedup, .create_options = qcow2_create_options, .bdrv_check = qcow2_check, diff --git a/block/qcow2.h b/block/qcow2.h index 5940c89..2b5a7d4 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -512,5 +512,6 @@ int qcow2_dedup_init(BlockDriverState *bs); void qcow2_dedup_close(BlockDriverState *bs); void qcow2_dedup_update_metrics(BlockDriverState *bs); void qcow2_pause_dedup(BlockDriverState *bs); +void qcow2_resume_dedup(BlockDriverState *bs); #endif