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h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=GyB6VcKRYFCvnWLX9uTjLGZKSOcBgH+EHagbudwpzqH+iJkNjBIWoX8ebxI33rARO foSvxF/T7vcaRsfUQeQDSEv905bt0JintEqer2ggpR8c8/WU+69CjUcD/w78p+5whS OJNCL8aPiAOaK50DqAM3AN7COcooRzrBVsiRYIaz/xKI+sBeoyvdUT7phpoS9txn/U 9UUbrSCAv2y8VIwY2n504GGcxzFkjTiQJdM72nDk/Cb+Udy3cQutwSvz8SlAfJyt0W VEMcRQjAGgCiiZNh8zG3iueRQ5YQbP1xWYn70lWxAt933i6UuPfKMs6UcTpjI6HGG6 1vWICIe2VTAxQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id C9F29C59A4C; Mon, 17 Jul 2023 17:34:21 +0000 (UTC) MIME-Version: 1.0 From: patchwork-bot+f2fs@kernel.org Message-Id: <168961526181.4078.12987776501092675695.git-patchwork-notify@kernel.org> Date: Mon, 17 Jul 2023 17:34:21 +0000 References: <20230706020614.2950782-1-chao@kernel.org> In-Reply-To: <20230706020614.2950782-1-chao@kernel.org> To: Chao Yu X-Headers-End: 1qLS7C-00013w-6g Subject: Re: [f2fs-dev] [PATCH v3] f2fs: fix to avoid mmap vs set_compress_option case 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: jaegeuk@kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Hello: This patch was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim : On Thu, 6 Jul 2023 10:06:14 +0800 you wrote: > Compression option in inode should not be changed after they have > been used, however, it may happen in below race case: > > Thread A Thread B > - f2fs_ioc_set_compress_option > - check f2fs_is_mmap_file() > - check get_dirty_pages() > - check F2FS_HAS_BLOCKS() > - f2fs_file_mmap > - set_inode_flag(FI_MMAP_FILE) > - fault > - do_page_mkwrite > - f2fs_vm_page_mkwrite > - f2fs_get_block_locked > - fault_dirty_shared_page > - set_page_dirty > - update i_compress_algorithm > - update i_log_cluster_size > - update i_cluster_size > > [...] Here is the summary with links: - [f2fs-dev,v3] f2fs: fix to avoid mmap vs set_compress_option case https://git.kernel.org/jaegeuk/f2fs/c/3174a6dbb945 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel