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Tue, 2 Mar 2021 15:58:21 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas1p1.samsung.com (KnoxPortal) with ESMTPA id 20210302065821epcas1p13e2a6d136316daa635e407f9216db505~odEPoOcnl0465604656epcas1p1B; Tue, 2 Mar 2021 06:58:21 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20210302065821epsmtrp16c6a59a649be4bdabc4e1f71fb12f95d~odEPmVOnb2336823368epsmtrp1d; Tue, 2 Mar 2021 06:58:21 +0000 (GMT) X-AuditID: b6c32a38-efbff700000028df-e4-603de20dc499 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id EE.FE.08745.D02ED306; Tue, 2 Mar 2021 15:58:21 +0900 (KST) Received: from W10PB11329 (unknown [10.253.152.129]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210302065821epsmtip2b73dea60d54f4aceb132b34985e133a4~odEPavb9n1094410944epsmtip2Z; Tue, 2 Mar 2021 06:58:21 +0000 (GMT) From: "Sungjong Seo" To: "'Hyeongseok Kim'" , Cc: , , "'Chaitanya Kulkarni'" , In-Reply-To: <20210302050521.6059-3-hyeongseok@gmail.com> Subject: RE: [PATCH v4 2/2] exfat: add support ioctl and FITRIM function Date: Tue, 2 Mar 2021 15:58:20 +0900 Message-ID: <04aa01d70f31$6de160a0$49a421e0$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQGcWnf6BTkYMyzP2LJXG6KPoRfNLgF8rXkvAXOJ+PyqzitREA== Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjk+LIzCtJLcpLzFFi42LZdlhTX5f3kW2CwdVFhhazbr9msfg78ROT xZ69J1ksLu+aw2bxY3q9xZZ/R1gd2Dx2zrrL7tG3ZRWjx+dNch7tB7qZAliicmwyUhNTUosU UvOS81My89JtlbyD453jTc0MDHUNLS3MlRTyEnNTbZVcfAJ03TJzgHYrKZQl5pQChQISi4uV 9O1sivJLS1IVMvKLS2yVUgtScgoMDQr0ihNzi0vz0vWS83OtDA0MjEyBKhNyMrae/M9acJyt ouXjSaYGxpWsXYycHBICJhLr799j6mLk4hAS2MEo8WTdS1YI5xOQ09oPViUk8JlRYvnaPJiO Vz/fQxXtYpToPbmVHcJ5yShx8cVHFpAqNgFdiSc3fjKD2CICHhKPm46B7WAWmMYo8evcc7Cx nAKWErd2HAazhYGKtq49ygRiswioSDzauhZsEC9QzaYDDxghbEGJkzOfgMWZBeQltr+dwwxx koLE7k9HWSGWOUlcvnKSEaJGRGJ2ZxszyGIJgU4OicnLH7FANLhI/Ls7GapZWOLV8S3sELaU xMv+Nii7XuL//LXsEM0tjBIPP20Duo4DyLGXeH/JAsRkFtCUWL9LH6JcUWLn77lQe/kk3n3t YYWo5pXoaBOCKFGR+P5hJwvMpis/rjJNYFSaheSzWUg+m4Xkg1kIyxYwsqxiFEstKM5NTy02 LDBBju1NjOCEqWWxg3Hu2w96hxiZOBgPMUpwMCuJ8J78bJkgxJuSWFmVWpQfX1Sak1p8iNEU GNYTmaVEk/OBKTuvJN7Q1MjY2NjCxMzczNRYSZw3yeBBvJBAemJJanZqakFqEUwfEwenVAPT 9O+2mQbGF2LPZcgYJu07y9tc+lBn9fG+JS++im7h7lz8ye3agT023b/Ox0lU/DSZFPjg2uzG aw6a3xqVGFZdPDiFk7GwPyJS42T85Jt2CVyTl0d+b43dWiD5xzU/TOqLbuenXbtUw79F+p4V Wvbe/+DUx4yz/2Xfseddfvb8zNUiLx9Y3jmvdnHT5Z9unxx7H3pOPl/yMYpb3evGh8ifvO0L DsQuDpOUfXn+5T3Fw3LrpdSURLeW3Tr/cYO86IolHWff6xhWcT65vbtXxedTj7R6jEZNvUyX 55IDAWr/bz1/tzZh4w8WxxAhW+7qozKtmf1R677JCmvrzxS/+Xx5WH3FvLpGzqaJmfX7bbre K7EUZyQaajEXFScCABqf4IEhBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrGLMWRmVeSWpSXmKPExsWy7bCSvC7vI9sEg43XhCxm3X7NYvF34icm iz17T7JYXN41h83ix/R6iy3/jrA6sHnsnHWX3aNvyypGj8+b5DzaD3QzBbBEcdmkpOZklqUW 6dslcGVsPfmfteA4W0XLx5NMDYwrWbsYOTkkBEwkXv18D2RzcQgJ7GCUON5ygL2LkQMoISVx cJ8mhCkscfhwMUTJc0aJczc6GEF62QR0JZ7c+MkMYosIeEnsb3rNDlLELDCDUWLTgllQQ7cz Svxsm8cGUsUpYClxa8dhsM3CAh4SW9ceZQKxWQRUJB5tXcsCYvMC1Ww68IARwhaUODnzCQvI FcwCehJtG8HCzALyEtvfzmGGeEBBYveno6wQRzhJXL5yEqpGRGJ2ZxvzBEbhWUgmzUKYNAvJ pFlIOhYwsqxilEwtKM5Nzy02LDDKSy3XK07MLS7NS9dLzs/dxAiOGi2tHYx7Vn3QO8TIxMF4 iFGCg1lJhPfkZ8sEId6UxMqq1KL8+KLSnNTiQ4zSHCxK4rwXuk7GCwmkJ5akZqemFqQWwWSZ ODilGpiYvkuGOzVEmfznmTbng3vtgTM9eg8vNp5YxTJl74M1GxhsPk1T07nqMGvrPdMi6aQ0 HaNLO15vyb9i9euC4ITNIvsO3fsjfj1RgreQ88nKqb27VH1NDp84cOvl/5W7Nkx31TzaoX9Q k/uT4/dbXi1p4vvXVPjXP852Ot+e4LL70y4+95kcbM/fPufZfbHG/eX8I/+uu7jsXdXSPN32 RU/NolP9Ckwmsa80AzW3CDfUbTk4Z3lYX9nCjSJaiZK1Pru5pv5+cnW2Uil3K1//q0ilFzuP yM0TPtv7a/k+R4OdDd+WfVebLaq3n/Xuepk4F4n+0G2Ht337+E/BNPzpyT1WM0zzHix/vU/m sZbRh6aTGUosxRmJhlrMRcWJAJkda+gJAwAA X-CMS-MailID: 20210302065821epcas1p13e2a6d136316daa635e407f9216db505 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: 20210302050556epcas1p2f830c64b70cbc1bbd6f48292d3556802 References: <20210302050521.6059-1-hyeongseok@gmail.com> <20210302050521.6059-3-hyeongseok@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Add FITRIM ioctl to enable discarding unused blocks while mounted. > As current exFAT doesn't have generic ioctl handler, add empty ioctl > function first, and add FITRIM handler. > > Reviewed-by: Chaitanya Kulkarni > Signed-off-by: Hyeongseok Kim > --- > fs/exfat/balloc.c | 80 +++++++++++++++++++++++++++++++++++++++++++++ > fs/exfat/dir.c | 5 +++ > fs/exfat/exfat_fs.h | 4 +++ > fs/exfat/file.c | 53 ++++++++++++++++++++++++++++++ > 4 files changed, 142 insertions(+) > It looks better than v3. Thanks for your work! Acked-by: Sungjong Seo BTW, there is still a problem that the alloc/free cluster operation waits until the trimfs operation is finished. Any ideas for improvement in the future are welcome. :)