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Fri, 09 Aug 2019 12:14:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hw7X0-0003s7-Pe for qemu-devel@nongnu.org; Fri, 09 Aug 2019 12:14:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60956) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hw7Wx-0003pS-P2; Fri, 09 Aug 2019 12:14:15 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1971C307D921; Fri, 9 Aug 2019 16:14:14 +0000 (UTC) Received: from localhost (unknown [10.40.205.179]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AB1FC608C2; Fri, 9 Aug 2019 16:14:13 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Fri, 9 Aug 2019 18:13:27 +0200 Message-Id: <20190809161407.11920-3-mreitz@redhat.com> In-Reply-To: <20190809161407.11920-1-mreitz@redhat.com> References: <20190809161407.11920-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Fri, 09 Aug 2019 16:14:14 +0000 (UTC) Content-Transfer-Encoding: quoted-printable 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 v6 02/42] copy-on-read: Support compressed writes 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 , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Signed-off-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/copy-on-read.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/block/copy-on-read.c b/block/copy-on-read.c index 6631f30205..16bdf630b6 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -113,6 +113,16 @@ static int coroutine_fn cor_co_pdiscard(BlockDriverSta= te *bs, } =20 =20 +static int coroutine_fn cor_co_pwritev_compressed(BlockDriverState *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qiov) +{ + return bdrv_co_pwritev(bs->file, offset, bytes, qiov, + BDRV_REQ_WRITE_COMPRESSED); +} + + static void cor_eject(BlockDriverState *bs, bool eject_flag) { bdrv_eject(bs->file->bs, eject_flag); @@ -145,6 +155,7 @@ static BlockDriver bdrv_copy_on_read =3D { .bdrv_co_pwritev =3D cor_co_pwritev, .bdrv_co_pwrite_zeroes =3D cor_co_pwrite_zeroes, .bdrv_co_pdiscard =3D cor_co_pdiscard, + .bdrv_co_pwritev_compressed =3D cor_co_pwritev_compressed, =20 .bdrv_eject =3D cor_eject, .bdrv_lock_medium =3D cor_lock_medium, --=20 2.21.0