Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
IronPort-SDR: oVd1C4wp9LJZs1ly2Qzyk1MB0u+ZnS6ll6Xy6ctsE36ABUcyc5aBQFoq1CxSFE7wlAEJ65Z39Y
 0zfFtf5VSdMcDWx1wpXLSDXONjlEggu9CiyovtGWuFiXsKk1GBP+qIjkCVNgT+kPPBtUgRIK9g
 89+NNyP0TkRPVz1sMgq975FO9r3JD52nd7LIWsDfqSR9eWcov1kdoWiQT05mGmZ5+Z82F5k09w
 U8jdCy86aAiOpwrGlT6zHLMfYnAELCS4vmbk9ZT2jngpJFqWzoW22odrefW7Tw1nkDlvCh803s
 pWY=
From:   Avri Altman <Avri.Altman@wdc.com>
To:     Avri Altman <Avri.Altman@wdc.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
        Adrian Hunter <adrian.hunter@intel.com>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v4 0/2] Do not flush cache when it is disabled
Thread-Topic: [PATCH v4 0/2] Do not flush cache when it is disabled
Thread-Index: AQHXNeudjX2Qn6LgIUetxlee6skg3KrASyEw
Date:   Thu, 22 Apr 2021 09:41:07 +0000
Message-ID: <DM6PR04MB6575483C655477218FB74E72FC469@DM6PR04MB6575.namprd04.prod.outlook.com>
References: <20210420134641.57343-1-avri.altman@wdc.com>
In-Reply-To: <20210420134641.57343-1-avri.altman@wdc.com>
Accept-Language: en-US
Content-Language: en-US
wdcipoutbound: EOP-TRUE
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: c128f009-e4dc-40dd-95c4-08d90572c129
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Apr 2021 09:41:07.4485
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: PFbxJNuT4AqiWQHT1QWV+bmIgrTanxPzManWMwaPabAW+btXx+5DGA5SN95nlv+JsuUbSG56PiEHiqiL29vZQw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB7004
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Ulf - Would you consider picking this sires up now?
I was hoping to close this bug.

Thanks,
Avri

> -----Original Message-----
> From: Avri Altman <avri.altman@wdc.com>
> Sent: Tuesday, 20 April 2021 16:47
> To: Ulf Hansson <ulf.hansson@linaro.org>; linux-mmc@vger.kernel.org; Adri=
an
> Hunter <adrian.hunter@intel.com>
> Cc: linux-kernel@vger.kernel.org; Avri Altman <Avri.Altman@wdc.com>
> Subject: [PATCH v4 0/2] Do not flush cache when it is disabled
>=20
> v3 -> v4
>  - Attend Adrian's comments
>  - Add Acked-by tag
>=20
> v2 -> v3:
>  - rebase onto recent cache changes
>=20
> v1 -> v2:
>  - Attend Adrian's comments
>=20
> Cache is a temporary storage space in an eMMC device. Volatile by
> nature, the cache should in typical case reduce the access time compared
> to an access to the main nonvolatile storage.
>=20
> The cache function can be turned ON and OFF. Once OFF, the host is not
> expected to issue a flush-cache command to the device.
>=20
> Avri Altman (2):
>   mmc: block: Issue flush only if allowed
>   mmc: block: Update ext_csd.cache_ctrl if it was written
>=20
>  drivers/mmc/core/block.c   | 21 +++++++++++++++++++++
>  drivers/mmc/core/mmc.c     |  2 +-
>  drivers/mmc/core/mmc_ops.h |  5 +++++
>  3 files changed, 27 insertions(+), 1 deletion(-)
>=20
> --
> 2.25.1