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Thu, 25 Jun 2020 15:22:40 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH v7 10/47] mirror-top: Support compressed writes Date: Thu, 25 Jun 2020 17:21:38 +0200 Message-Id: <20200625152215.941773-11-mreitz@redhat.com> In-Reply-To: <20200625152215.941773-1-mreitz@redhat.com> References: <20200625152215.941773-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=mreitz@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/25 00:45:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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 , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Max Reitz --- block/mirror.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/block/mirror.c b/block/mirror.c index e8e8844afc..469acf4600 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1480,6 +1480,15 @@ static int coroutine_fn bdrv_mirror_top_pdiscard(BlockDriverState *bs, NULL, 0); } +static int coroutine_fn bdrv_mirror_top_pwritev_compressed(BlockDriverState *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qiov) +{ + return bdrv_mirror_top_pwritev(bs, offset, bytes, qiov, + BDRV_REQ_WRITE_COMPRESSED); +} + static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs) { if (bs->backing == NULL) { @@ -1526,6 +1535,7 @@ static BlockDriver bdrv_mirror_top = { .bdrv_co_pwritev = bdrv_mirror_top_pwritev, .bdrv_co_pwrite_zeroes = bdrv_mirror_top_pwrite_zeroes, .bdrv_co_pdiscard = bdrv_mirror_top_pdiscard, + .bdrv_co_pwritev_compressed = bdrv_mirror_top_pwritev_compressed, .bdrv_co_flush = bdrv_mirror_top_flush, .bdrv_co_block_status = bdrv_co_block_status_from_backing, .bdrv_refresh_filename = bdrv_mirror_top_refresh_filename, -- 2.26.2