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Fri, 08 May 2020 10:09:21 +0000 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id D885121B782EE6AB13B5; Fri, 8 May 2020 18:09:10 +0800 (CST) Received: from [10.134.22.195] (10.134.22.195) by smtp.huawei.com (10.3.19.201) with Microsoft SMTP Server (TLS) id 14.3.487.0; Fri, 8 May 2020 18:09:08 +0800 To: Daeho Jeong , , , , References: <20200508092921.208447-1-daeho43@gmail.com> From: Chao Yu Message-ID: <9f33e647-c5b1-aa7e-aaf0-102e7b35c64c@huawei.com> Date: Fri, 8 May 2020 18:09:07 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200508092921.208447-1-daeho43@gmail.com> Content-Language: en-US X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected X-Headers-End: 1jWzwT-001bfC-Pb Subject: Re: [f2fs-dev] [PATCH] f2fs: remove race condition in releasing cblocks X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daeho Jeong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2020/5/8 17:29, Daeho Jeong wrote: > From: Daeho Jeong > > Now, if writing pages and releasing compress blocks occur > simultaneously, and releasing cblocks is executed more than one time > to a file, then total block count of filesystem and block count of the > file could be incorrect and damaged. > > We have to execute releasing compress blocks only one time for a file > without being interfered by writepages path. > > Signed-off-by: Daeho Jeong Reviewed-by: Chao Yu Thanks, _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel