From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3742DC4332B for ; Tue, 2 Mar 2021 08:28:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A11564D9C for ; Tue, 2 Mar 2021 08:28:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1836909AbhCBHVg (ORCPT ); Tue, 2 Mar 2021 02:21:36 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:55582 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241072AbhCBG4S (ORCPT ); Tue, 2 Mar 2021 01:56:18 -0500 Received: from epcas1p2.samsung.com (unknown [182.195.41.46]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20210302065454epoutp01a11bf45fc85c49dc861de8e1dd8e5f83~odBPU6v4e2439324393epoutp01s for ; Tue, 2 Mar 2021 06:54:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20210302065454epoutp01a11bf45fc85c49dc861de8e1dd8e5f83~odBPU6v4e2439324393epoutp01s DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1614668094; bh=DliXzqFkxMgF30IQ84dS6zeqHegjNaRZkb9cDXxw4mQ=; h=From:To:Cc:In-Reply-To:Subject:Date:References:From; b=NPUeYhE8kQL6lyEpEx03Qbae6HKzqLQ3F1GFL1KFEVBtzzApv3RAZ3t74UNqn6FFC ubBhE2RToZs2u9M5HA5muy81YX/kqhGgWdonPt5ZWoCq+p+5MecL05s7J5f8kbopMU ua+PfCYuQkvlfs/nIbwMyRK6H4Va0TJI7v78RXbc= Received: from epsnrtp2.localdomain (unknown [182.195.42.163]) by epcas1p3.samsung.com (KnoxPortal) with ESMTP id 20210302065454epcas1p355b95a88ee561da92a3b113f0902e596~odBO8-QvP0064200642epcas1p3U; Tue, 2 Mar 2021 06:54:54 +0000 (GMT) Received: from epsmges1p1.samsung.com (unknown [182.195.40.165]) by epsnrtp2.localdomain (Postfix) with ESMTP id 4DqSYT15pCz4x9Pv; Tue, 2 Mar 2021 06:54:53 +0000 (GMT) Received: from epcas1p4.samsung.com ( [182.195.41.48]) by epsmges1p1.samsung.com (Symantec Messaging Gateway) with SMTP id CF.23.02418.D31ED306; Tue, 2 Mar 2021 15:54:53 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas1p2.samsung.com (KnoxPortal) with ESMTPA id 20210302065452epcas1p254e20208b86fc68be1303bc7ab230303~odBNL7zZ02915529155epcas1p2Y; Tue, 2 Mar 2021 06:54:52 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210302065452epsmtrp2b18eda2cff5a5226051c5dd89949cbb7~odBNLJq9J0481104811epsmtrp2Q; Tue, 2 Mar 2021 06:54:52 +0000 (GMT) X-AuditID: b6c32a35-c0dff70000010972-ce-603de13d032d Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 1A.8E.13470.C31ED306; Tue, 2 Mar 2021 15:54:52 +0900 (KST) Received: from W10PB11329 (unknown [10.253.152.129]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210302065452epsmtip21938a1c70c96358623ac6369d415b524~odBM70AdY0702607026epsmtip2L; Tue, 2 Mar 2021 06:54:52 +0000 (GMT) From: "Sungjong Seo" To: "'Hyeongseok Kim'" , Cc: , , In-Reply-To: <20210302050521.6059-2-hyeongseok@gmail.com> Subject: RE: [PATCH v4 1/2] exfat: introduce bitmap_lock for cluster bitmap access Date: Tue, 2 Mar 2021 15:54:51 +0900 Message-ID: <04a901d70f30$f167af70$d4370e50$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQGcWnf6BTkYMyzP2LJXG6KPoRfNLgFpn8c6AfaWP3KqyqpeMA== Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmphk+LIzCtJLcpLzFFi42LZdljTQNf2oW2CwdRmVou/Ez8xWezZe5LF 4vKuOWwWP6bXW2z5d4TVgdVj56y77B59W1YxenzeJBfAHJVjk5GamJJapJCal5yfkpmXbqvk HRzvHG9qZmCoa2hpYa6kkJeYm2qr5OIToOuWmQO0UUmhLDGnFCgUkFhcrKRvZ1OUX1qSqpCR X1xiq5RakJJTYGhQoFecmFtcmpeul5yfa2VoYGBkClSZkJPx+MwutoJ3TBUnZsxia2BcxdTF yMkhIWAi8f3mEdYuRi4OIYEdjBKrup6xQTifGCWur53LBOF8Y5Q4dW8tK0zLzQ3roFr2Mkpc +dTHCOG8ZJS4sa+NEaSKTUBX4smNn8wgtoiAh8TjpmNgC5kF4iV2T+sDq+EUsJQ41jOVDcQW FgiReNr8nR3EZhFQkZi58AWYzQtUs/1IC5QtKHFy5hMWiDnyEtvfzmGGuEhBYveno6wQu5wk 7u/ayg5RIyIxu7ONGeQ4CYGf7BI7f35nhGhwkZh2/xAbhC0s8er4FnYIW0ri87u9UPF6if/z 17JDNLcwSjz8tA3oAw4gx17i/SULEJNZQFNi/S59iHJFiZ2/5zJC7OWTePe1hxWimleio00I okRF4vuHnSwwm678uMo0gVFpFpLPZiH5bBaSD2YhLFvAyLKKUSy1oDg3PbXYsMAQObY3MYKT o5bpDsaJbz/oHWJk4mA8xCjBwawkwnvys2WCEG9KYmVValF+fFFpTmrxIUZTYFhPZJYSTc4H pue8knhDUyNjY2MLEzNzM1NjJXHeJIMH8UIC6YklqdmpqQWpRTB9TBycUg1M25XrQvdZBws6 pSisXv9H0EUupNvjMgPjcqbudrvdDqu2cO7ZtVY+PCckp+XjPmn79vOdl37l/n0tN+vrdCne zsmXvJh7QlQrfA9aZmuvX/FtKaekG1vfPa0D+VEXmjcbGf981ejitHP2HK8kvclfeayePLh2 5NTXyTF35nX8Xfi7VyoutDX8pGBR0FGVq0qLD1Tc8+3QNeE/HheQsNWoVaxRXurSjrInvcE7 zi7fuPOL8UfzKRtqst42GEi0vXc3cLqXGtt8L+vqJzn+4pkC2Qfyr12cnFXbeODnQT+dVYf9 fa5seVxt6Xpo9qp9Sbf8q2an/l4y8deRh+yeakGfi1mXNmeFz2246VPG8eq3EktxRqKhFnNR cSIA3pj7IBcEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrFLMWRmVeSWpSXmKPExsWy7bCSvK7NQ9sEg8dv5Cz+TvzEZLFn70kW i8u75rBZ/Jheb7Hl3xFWB1aPnbPusnv0bVnF6PF5k1wAcxSXTUpqTmZZapG+XQJXxuMzu9gK 3jFVnJgxi62BcRVTFyMnh4SAicTNDetYuxi5OIQEdjNKnDp5gLmLkQMoISVxcJ8mhCkscfhw MUi5kMBzRomzU2RAbDYBXYknN34yg9giAl4S+5tes4PYzAKJEs1fLjFBjNzOKHHtczvYLk4B S4ljPVPZQGxhgSCJqSs2gDWzCKhIzFz4AqyZF6hm+5EWKFtQ4uTMJywgNzAL6Em0bWSEmC8v sf3tHGaI8xUkdn86ygpxg5PE/V1boW4QkZjd2cY8gVF4FpJJsxAmzUIyaRaSjgWMLKsYJVML inPTc4sNCwzzUsv1ihNzi0vz0vWS83M3MYKjQ0tzB+P2VR/0DjEycTAeYpTgYFYS4T352TJB iDclsbIqtSg/vqg0J7X4EKM0B4uSOO+FrpPxQgLpiSWp2ampBalFMFkmDk6pBqaq3a/9/Fpt Vd6aBh48/9YnxPXwgq5n3NH80+I4VsX59PjULWm/tWTKmu93wxX4zuzZeeiW5MXJz3va4yyk LJ9Pen82dt1MhbN6R5ad0L3Cnba/WE8+8sNJZZcHp8TcHMoUTq4VKVf/2v/a53LftgeFJ1Pf datPcrN5qHnrQH3SjkCPg0p+y98+5xDTOfnG6++nFQst15TFc3b6n3PeurHXIb1S/s6Rg1WN N2Yfiygp8zn/TfZou+KnGh3/Ca4VhZqXf+6/n2htm6KXrhqz8+katWWL+eYvOCH0N573Svej xmpBq4IHaXGvWd/t/7/GMib3E5/MBpk7jcZiZaEi8xhqDnVnvW47J/NoX0bhlz1KLMUZiYZa zEXFiQDuYfg5/QIAAA== X-CMS-MailID: 20210302065452epcas1p254e20208b86fc68be1303bc7ab230303 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: 20210302050550epcas1p19adbc16f7c61a7988705f3ae91b4060a References: <20210302050521.6059-1-hyeongseok@gmail.com> <20210302050521.6059-2-hyeongseok@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > s_lock which is for protecting concurrent access of file operations is too > huge for cluster bitmap protection, so introduce a new bitmap_lock to > narrow the lock range if only need to access cluster bitmap. > > Signed-off-by: Hyeongseok Kim Looks good. Thanks for your work! Acked-by: Sungjong Seo