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bh=mVsyh2h9cHdLinZvrbVBxh/M4B3MPBV82C5H0FBy5to=; b=Zh12t6KSN9uYxMbiDOEbkPtRJH0GYmgZ++fqjLJcOWFnXFdGGgjOORsRnEhZ8jsyp917/P YyFs11rfEUhzD1wXlJkbvhUJ0S8pkRNXvnRyz9DhIlRrJQQihiRgIkAnA190U9PCXkzYZA snseSLsSlo6kAQD/HUdByHUPHSTf3/M= X-MC-Unique: 1WF8JOVdNR6i2swZIXgQ3A-1 From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH v8 09/43] copy-on-read: Support compressed writes Date: Tue, 1 Sep 2020 16:33:50 +0200 Message-Id: <20200901143424.884735-10-mreitz@redhat.com> In-Reply-To: <20200901143424.884735-1-mreitz@redhat.com> References: <20200901143424.884735-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mreitz@redhat.com X-Mimecast-Spam-Score: 0.001 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=63.128.21.124; envelope-from=mreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/31 23:17:53 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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 , Andrey Shinkevich , 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 Reviewed-by: Kevin Wolf --- 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 a6e3c74a68..a6a864f147 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -107,6 +107,16 @@ 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); @@ -131,6 +141,7 @@ 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 2.26.2