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Wed, 16 Dec 2020 05:43:13 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0BG5f9TG060072; Wed, 16 Dec 2020 05:43:13 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3020.oracle.com with ESMTP id 35e6js8pa1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Dec 2020 05:43:13 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 0BG5hAp8001000; Wed, 16 Dec 2020 05:43:10 GMT Received: from [10.159.136.92] (/10.159.136.92) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 15 Dec 2020 21:43:10 -0800 Subject: Re: [RFC PATCH v3 8/9] md: Implement ->corrupted_range() To: Shiyang Ruan , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org Cc: linux-fsdevel@vger.kernel.org, linux-raid@vger.kernel.org, darrick.wong@oracle.com, david@fromorbit.com, hch@lst.de, song@kernel.org, rgoldwyn@suse.de, qi.fuli@fujitsu.com, y-goto@fujitsu.com References: <20201215121414.253660-1-ruansy.fnst@cn.fujitsu.com> <20201215121414.253660-9-ruansy.fnst@cn.fujitsu.com> From: Jane Chu Organization: Oracle Corporation Message-ID: <100fcdf4-b2fe-d77d-e95f-52a7323d7ee1@oracle.com> Date: Tue, 15 Dec 2020 21:43:08 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: <20201215121414.253660-9-ruansy.fnst@cn.fujitsu.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9836 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 bulkscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012160035 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9836 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxlogscore=999 impostorscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 malwarescore=0 priorityscore=1501 phishscore=0 mlxscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012160035 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 12/15/2020 4:14 AM, Shiyang Ruan wrote: > #ifdef CONFIG_SYSFS > +int bd_disk_holder_corrupted_range(struct block_device *bdev, loff_t off, > + size_t len, void *data); > int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk); > void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk); > #else > +int bd_disk_holder_corrupted_range(struct block_device *bdev, loff_t off, Did you mean static inline int bd_disk_holder_corrupted_range(.. ? thanks, -jane > + size_t len, void *data) > +{ > + return 0; > +} > static inline int bd_link_disk_holder(struct block_device *bdev, > struct gendisk *disk)