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bh=DUoDCTeAaWcF19+6TO8/N66itLLoNICuvHGOrgyI6zE=; b=RrPAzH4pkOkRntzoyPBBMam3ZFOqjoh6Yw7mEhemXDCTI7AU2yoHPhjfgYfHD1LatgOrDu prME3KOHCHjP27SToX7/6JjSENKoFUVzO0RPA+QQLZHZejU/G7UqBMYUrLXPenrxFigeUI PBV5NGI8q9FSF0bzyDipwCIOTX4yl6E= X-MC-Unique: l1n4uSVEMjaskU0bt4cwjg-1 From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH v7 11/47] backup-top: Support compressed writes Date: Thu, 25 Jun 2020 17:21:39 +0200 Message-Id: <20200625152215.941773-12-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 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=205.139.110.120; envelope-from=mreitz@redhat.com; helo=us-smtp-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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Max Reitz Reviewed-by: Andrey Shinkevich --- block/backup-top.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/block/backup-top.c b/block/backup-top.c index af2f20f346..f304df8f26 100644 --- a/block/backup-top.c +++ b/block/backup-top.c @@ -99,6 +99,15 @@ static coroutine_fn int backup_top_co_pwritev(BlockDrive= rState *bs, return bdrv_co_pwritev(bs->backing, offset, bytes, qiov, flags); } =20 +static coroutine_fn int backup_top_co_pwritev_compressed(BlockDriverState = *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qio= v) +{ + return backup_top_co_pwritev(bs, offset, bytes, qiov, + BDRV_REQ_WRITE_COMPRESSED); +} + static int coroutine_fn backup_top_co_flush(BlockDriverState *bs) { if (!bs->backing) { @@ -173,6 +182,7 @@ BlockDriver bdrv_backup_top_filter =3D { .bdrv_co_pwritev =3D backup_top_co_pwritev, .bdrv_co_pwrite_zeroes =3D backup_top_co_pwrite_zeroes, .bdrv_co_pdiscard =3D backup_top_co_pdiscard, + .bdrv_co_pwritev_compressed =3D backup_top_co_pwritev_compressed, .bdrv_co_flush =3D backup_top_co_flush, =20 .bdrv_co_block_status =3D bdrv_co_block_status_from_backing, --=20 2.26.2