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Tue, 2 Mar 2021 02:41:33 +0000 (GMT) From: "Sungjong Seo" To: "'Hyeongseok Kim'" , Cc: , , In-Reply-To: <20210225093333.144829-1-hyeongseok@gmail.com> Subject: RE: [PATCH] exfat: fix erroneous discard when clear cluster bit Date: Tue, 2 Mar 2021 11:41:33 +0900 Message-ID: <000001d70f0d$8e882ec0$ab988c40$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQHUPDa1bJ9R3vCNj0JBjwAxCWVZpwLSYI5Bql8LToA= Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpmk+LIzCtJLcpLzFFi42LZdlhTT/feUtsEgy0LhCz+TvzEZLFn70kW i8u75rBZ/Jheb7Hl3xFWB1aPnbPusnv0bVnF6PF5k1wAc1SOTUZqYkpqkUJqXnJ+SmZeuq2S d3C8c7ypmYGhrqGlhbmSQl5ibqqtkotPgK5bZg7QRiWFssScUqBQQGJxsZK+nU1RfmlJqkJG fnGJrVJqQUpOgaFBgV5xYm5xaV66XnJ+rpWhgYGRKVBlQk7GqWmP2QresFacbP/M2sD4lKWL kZNDQsBE4uqGiexdjFwcQgI7GCU2PZ3MDOF8YpR4t+4jK4TzmVHi2qO7bDAtrS+WskEkdjFK fHx4G6r/JaPE9f69rCBVbAK6Ek9u/GQGsUUEPCQeNx1jArGZBeIlFu84DjaJU8BaYv7SBYwg tjBQzcPXD8B6WQRUJDoePmYHsXkFLCVeXVvAAmELSpyc+YQFYo68xPa3c5ghLlKQ2P3pKCvE LiuJdaf6GSFqRCRmd7ZB1fxllzjyjQ/CdpFYeGkLE4QtLPHq+BZ2CFtK4mV/G5RdL/F//lqw xyQEWhglHn7aBtTAAeTYS7y/ZAFiMgtoSqzfpQ9Rriix8/dcqLV8Eu++9rBCVPNKdLQJQZSo SHz/sJMFZtOVH1eZJjAqzULy2Cwkj81C8sAshGULGFlWMYqlFhTnpqcWGxYYIkf2JkZwatQy 3cE48e0HvUOMTByMhxglOJiVRHhPfrZMEOJNSaysSi3Kjy8qzUktPsRoCgzqicxSosn5wOSc VxJvaGpkbGxsYWJmbmZqrCTOm2TwIF5IID2xJDU7NbUgtQimj4mDU6qBKSDzcchnocTNfDmm NaLbnbdPXbnrgoPIkn/CU+Jit8ffnpcf7Mkxd8GrOC99H8/a518YPjbrllz6de/5BWHb+/0a /H+LTl07f1BeLddTtcKGQ352cdzabRGb20z7vzW8ivnTrDpZ0CHdpWeXgHDZxdsav3lMv+5T uPmz3dRkYe2bZsY1aVknayZ7/vliJe2zbpKjZ4q3Vv3f3OOrFGI0dBwWbwjdNW/jmurvWW+X xU7aye7Exr1fI8Tqkdu8LwvyF8wr4jFvFrlxjNt0/5Sfoee+sBzXb/pv9vHwVe/a+cqnzjeW qr/0m2KYPOP5zCDxyWwpfrNX1c80UVZUZJikfWpiu31OeJf4jf2xKrdPKLEUZyQaajEXFScC AKzNqMYWBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrNLMWRmVeSWpSXmKPExsWy7bCSnO7dpbYJBo3fjS3+TvzEZLFn70kW i8u75rBZ/Jheb7Hl3xFWB1aPnbPusnv0bVnF6PF5k1wAcxSXTUpqTmZZapG+XQJXxqlpj9kK 3rBWnGz/zNrA+JSli5GTQ0LARKL1xVK2LkYuDiGBHYwSl19cZOpi5ABKSEkc3KcJYQpLHD5c DFHynFGiacpVJpBeNgFdiSc3fjKD2CICXhL7m16zg9jMAokSZ5a0sUI09DBKdPdvAGvgFLCW mL90ASOILSzgIfHw9QNWEJtFQEWi4+FjsGZeAUuJV9cWsEDYghInZz5hATmCWUBPom0jI8R8 eYntb+cwQ9yvILH701FWiBusJNad6oeqEZGY3dnGPIFReBaSSbMQJs1CMmkWko4FjCyrGCVT C4pz03OLDQuM8lLL9YoTc4tL89L1kvNzNzGC40NLawfjnlUf9A4xMnEwHmKU4GBWEuE9+dky QYg3JbGyKrUoP76oNCe1+BCjNAeLkjjvha6T8UIC6YklqdmpqQWpRTBZJg5OqQYm9xBBx0ON UywVKzevWXHVVipt1USHrzrGBmsmhCy5dkzx4byqB0E1pxsyTn8qk/rvWbHNqnLCi5Urbiz/ 3bfl3i5mS5sdQoFKE58lvSpK4K9+8a2FSfrbXp8j8xXmbqtdPO/b3COGs5LOlrKfbd4ylyGw JvTLqad396/U0Hn6g39T+qLUuJKDVWIfyl8LlHA+6lIS3/7t70Ox9xaRjB3XK+JtHUvcZH8/ i/jvt/KWzpWgcsZjlgcL751Y4nck3bPsRuHMqn5J/l1fV02/d2wXz6zP1Z2Jl5vnP9vI0d+4 qXyB7j+e5VwfHl7p/WsYF7kzeMrqKu7DV87yvVjnK/XNJ4JfModh3iKmx62tU96KWyqxFGck GmoxFxUnAgCmmKEh/gIAAA== X-CMS-MailID: 20210302024133epcas1p27452f6ce2841c1e2a5100405c91b5a75 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210225093351epcas1p40377b00fb3532e734e4a7a1233ee72e1 References: <20210225093333.144829-1-hyeongseok@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org > Subject: [PATCH] exfat: fix erroneous discard when clear cluster bit > > If mounted with discard option, exFAT issues discard command when clear > cluster bit to remove file. But the input parameter of cluster-to-sector > calculation is abnormally adds reserved cluster size which is 2, leading > to discard unrelated sectors included in target+2 cluster. > > Fixes: 1e49a94cf707 ("exfat: add bitmap operations") > Signed-off-by: Hyeongseok Kim > --- > fs/exfat/balloc.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) Looks good. Acked-by: Sungjong Seo Thanks for your work! Could you remove the wrong comments above set/clear/find bitmap functions together?