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Wed, 17 Mar 2021 15:18:17 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas1p1.samsung.com (KnoxPortal) with ESMTPA id 20210317061817epcas1p135b2f4e6a73eb09f0e6f37274f832623~tDMieL-ib1357413574epcas1p1I; Wed, 17 Mar 2021 06:18:17 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210317061817epsmtrp237cbfade7689345593d31cf52daad75f~tDMidci8I2771727717epsmtrp2G; Wed, 17 Mar 2021 06:18:17 +0000 (GMT) X-AuditID: b6c32a38-e3dff7000000e70b-a9-60519f29f5e5 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 1B.C9.08745.82F91506; Wed, 17 Mar 2021 15:18:17 +0900 (KST) Received: from W10PB11329 (unknown [10.253.152.129]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210317061816epsmtip1f87d083b25f11b5e6507832d24a296fb~tDMiSJicm1718217182epsmtip1Q; Wed, 17 Mar 2021 06:18:16 +0000 (GMT) From: "Sungjong Seo" To: "'Hyeongseok Kim'" , Cc: , , In-Reply-To: <20210315041255.174167-1-hyeongseok@gmail.com> Subject: RE: [PATCH] exfat: improve write performance when dirsync enabled Date: Wed, 17 Mar 2021 15:18:17 +0900 Message-ID: <9a7c01d71af5$51d17470$f5745d50$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQHrkVYthcVH6BAyEbje7ZFeNRCC9QIEdcHjqk6jRtA= Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpik+LIzCtJLcpLzFFi42LZdlhTX1dzfmCCwa7lZhZ/J35istiz9ySL xeVdc9gsfkyvt9jy7wirA6vHzll32T36tqxi9Pi8SS6AOSrHJiM1MSW1SCE1Lzk/JTMv3VbJ OzjeOd7UzMBQ19DSwlxJIS8xN9VWycUnQNctMwdoo5JCWWJOKVAoILG4WEnfzqYov7QkVSEj v7jEVim1ICWnwNCgQK84Mbe4NC9dLzk/18rQwMDIFKgyISdjyoO7rAVTmCtm7LvM3MB4iqmL kZNDQsBE4t+3y0A2F4eQwA5GibsHHzBDOJ8YJT4+ns0K4XxmlPh84B0jTEv7/rVsEIldjBJ3 WrezgSSEBF4ySnTPDwex2QR0JZ7c+MkMYosIeEg8bjoGto9ZIF5i97Q+sEGcAtYSZ1ZPAbOF Bbwk7j2cDlbDIqAqsX/pdBYQm1fAUuL470msELagxMmZT1gg5shLbH87hxniIAWJ3Z+OAtVw AO2ykpj7txyiRERidmcb2DcSAj/ZJXYu2wFV7yKxat8OVghbWOLV8S3sELaUxOd3e9kg7HqJ //PXskM0tzBKPPy0jQlkgYSAvcT7SxYgJrOApsT6XfoQ5YoSO3/PZYTYyyfx7msPK0Q1r0RH mxBEiYrE9w87WWA2XflxlWkCo9IsJI/NQvLYLCQfzEJYtoCRZRWjWGpBcW56arFhgQlyXG9i BCdGLYsdjHPfftA7xMjEwXiIUYKDWUmE1zQvIEGINyWxsiq1KD++qDQntfgQoykwqCcyS4km 5wNTc15JvKGpkbGxsYWJmbmZqbGSOG+SwYN4IYH0xJLU7NTUgtQimD4mDk6pBiaPgs2Ho/qk dx6xZa6P+3pu7XdV0/jpGvdKZpkrRt52SLZPVF2/5cdfxedWs7TdfU6qxrC/V0x0FahfkCwo qDjnlqnHCr3M1a36s/PMVqwR4p46394n5sSdPe+PukjKfJZdkOnJotSau1lQqi9iT+Qi8W6W BHnjy18Dmr1Zey4mm6v9KPoUY120UaHkQ9z6g2ZdN6cUnRLYWvAmKDSf13GOlc3D5thTZa1f v66853I61NFLNbGh++Nd9uXPe9a/SXokHSeycUHqTA8PkWdb136asnTh0QKtr2a/r+yt5fhw Xs0oKa5WZHLGKu35gh7u8nFdiQadeSWadWadJ6ZW7bwVN2tplqGSlWh18bQHSizFGYmGWsxF xYkAQNo3RxUEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrJLMWRmVeSWpSXmKPExsWy7bCSnK7m/MAEg5k+Fn8nfmKy2LP3JIvF 5V1z2Cx+TK+32PLvCKsDq8fOWXfZPfq2rGL0+LxJLoA5issmJTUnsyy1SN8ugStjyoO7rAVT mCtm7LvM3MB4iqmLkZNDQsBEon3/WrYuRi4OIYEdjBJdt2axdjFyACWkJA7u04QwhSUOHy6G KHnOKPGj7SsLSC+bgK7Ekxs/mUFsEQEvif1Nr9lBbGaBRInmL5eYIBp6GCUu93wBW8YpYC1x ZvUURhBbGKjh3sPpYHEWAVWJ/Uungw3lFbCUOP57EiuELShxcuYTFpAjmAX0JNo2MkLMl5fY /nYOM8T9ChK7Px0FO1lEwEpi7t9yiBIRidmdbcwTGIVnIRk0C2HQLCSDZiHpWMDIsopRMrWg ODc9t9iwwCgvtVyvODG3uDQvXS85P3cTIzg2tLR2MO5Z9UHvECMTB+MhRgkOZiURXtO8gAQh 3pTEyqrUovz4otKc1OJDjNIcLErivBe6TsYLCaQnlqRmp6YWpBbBZJk4OKUamLY2Xj8vPvV9 pITT8626QRuLpAv93f+v2/dH+CTb6ffPtXU7LbUE7Q4zsR/Vs7+38/XXmZeuRVzl0P/0tfFE 0qndjw3e7DjFJvDPusPL4klPX3NAiGV2zDHhCxY3266qVRbGKnsoC0e+fVgn5Mgoe/S4/uM9 fRZaJzm3WG9odahe96jCWmzvtmjBpPfn7Y8s367ezagSeXOPpUvKjrnRCa4vovMvrwgte9jb sOjmjpb0FVY/niunrOg/beFt7xgdduT861+BWatVHe5/+dnJsnblfN2M292B/5Nyriw5+mLe fqn211eV2A99mJf9nm+JT9uJi+3et/RO/vod9ezmNmGv9JSk/fcV2gU36Pb5P1diKc5INNRi LipOBAA+TXBL/AIAAA== X-CMS-MailID: 20210317061817epcas1p135b2f4e6a73eb09f0e6f37274f832623 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: 20210315041325epcas1p11488673d4f146350dedded4b3b20fd6f References: <20210315041255.174167-1-hyeongseok@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Degradation of write speed caused by frequent disk access for cluster > bitmap update on every cluster allocation could be improved by selective > syncing bitmap buffer. Change to flush bitmap buffer only for the > directory related operations. > > Signed-off-by: Hyeongseok Kim Looks good. Thanks for your work. Acked-by: Sungjong Seo