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Wed, 25 Jun 2025 18:46:03 +0800 X-QQ-mid: xmsmtpt1750848363tmxew2sy5 Message-ID: X-QQ-XMAILINFO: MT46X0n0UCeM4y5W26Ag/ADFG1DHi9F9CHyqbj6DSfeO3dtcmIBOE1oh2UcVZP ZMmQ68mcMehwhUbLUnc07Zn9RGz6F2suZwRJOeyiIzICBfgm0V2+5cregthy5C7I8MB6FhVvNcYM /VYkFzpfdEChNh1ny0qa/KKLXtV+MtsrADzq4s7xqMxPy7INKe9X7UTI8B30l2IDWVuhCLBivAB/ KpDHHHEgbPHLOTlKPIWS+VeUSKe0p858cK9CT24Fk/cVWieuHQr8ktv6F80EJcbM+1S/A2ggowY6 fAb4V4CaUZGL0XfnXbcLYb6LQmmw+A5CVdgTwLZAnVSKd0mwEH7Z7pmaiJiOydAd+niM/H3cdnq1 rOkrq8lQR55XrWjPx6gZ/EFejSqH8DoRxc5WJMO4+TBv4qGCLjkGxCLhfzpfNWMA8RomFYbRvWrD 6xwkMLEpPnGJXjxpwo0483KUAhbHlVgxJPUoWax2HkTNHkIBqD2j7ccHzxxGpye4OildalBIIxay J8znfIlVeLvpwBSMKx5L/dMMyldBbPzxX+CEr1l9/weUIrqiRVImt6MOFUDOlunpBV7QPxUklf6e CQvXxLC5C5gBdKfW7Amei+h97GCDgKpfJBIpvH0s06O9iBzMr5JOBv8vnfdC9scfGJIYymZ3iHWM 8a+CKbZBw8NCA+65oAHoE15MX1UdBCdnXi39kjjEPdDJxqNl0vUWfCKAdnGACYxu7dc3IA8WzeYG t83PPzmGaZZysMJnUHhsday1qRc0X4xe1rkKegzSK3hnBQgHu9LTEGpy19ILw0Uo5i+dLyw22WC+ o60brkozWdLySFo0VMzrZoSZxjebVnDOYd46LeGlXEI3ApHoWbtH5gX9qdOmXHpDuXY0YRuqAi1i YyETv+GdRIAh7F7kT9T8xtYBssGRzq52KheHTFTcSRV6Y2jZHXfqJkiLRTtyNhFI5Jhet2ohBjyw xJIvTnxoRcyK6Hsx4wo61Ymi6SJV4FfufqOKeFAABoMNiHKEgteeWdTwi/nC9lwdKRit1VdVs= X-QQ-XMRINFO: NS+P29fieYNw95Bth2bWPxk= X-OQ-MSGID: Date: Wed, 25 Jun 2025 18:46:03 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/5] ext4: declare support for FOP_DONTCACHE To: Matthew Wilcox , =?UTF-8?B?6ZmI5rab5rabIFRhb3RhbyBDaGVu?= Cc: "tytso@mit.edu" , "hch@infradead.org" , "adilger.kernel@dilger.ca" , "brauner@kernel.org" , "jani.nikula@linux.intel.com" , "rodrigo.vivi@intel.com" , "tursulin@ursulin.net" , "airlied@gmail.com" , "linux-fsdevel@vger.kernel.org" , "linux-ext4@vger.kernel.org" , "linux-block@vger.kernel.org" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-mm@kvack.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20250624121149.2927-1-chentaotao@didiglobal.com> <20250624121149.2927-6-chentaotao@didiglobal.com> From: Chen Taotao In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 1500720005 X-Stat-Signature: c5pfmcisk4tbw6r4nwsd7qsgtg75oyoj X-Rspam-User: X-HE-Tag: 1750848374-783283 X-HE-Meta: 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 QtWxNLkj xThHVhoeM3gKpqip1f9HwApvtPPXXXfOOJcBPLC8B5EnFySngOL13Uemlprvw4QHhlsTNBIlhFvo9bfzByu0zgf/jNYPZxGpWvIsNax4rOlBSBbBlxJpPyzAUAaaz7Le7JjRRyXkN6uo92qGAG08ss7xWSX1nr6x1htyf5yInhRtqhZY3jwBTip2gkoAdu4GFKohrNF3uVSsvmk/myOqzV3s7LGq016CITMAIdrg0SdeHdSE9wPPfv49zI1HbUVXtjt7jF7J67h5kzKN6S4N80f0ksympvX8nahY7JzeayydWxFEX8QDrMer542hcvg8b7aNODmQ9bn4w+yE/7M/lAlB1pbO01nzeq2kLNxXmtk/FSyYaebBoEKckKQ7tHFckHKmPPTlUnpU6bj5HgjkIob4Zw7cgTQv0l2L0tEj7YsUr61bziFxobp7XBb/hhRrZ1KlEl3XYcTr+yZ0B3X3a+wgCpfNe3BFhJYgwP3gdEdaLWak= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 在 2025/6/24 20:53, Matthew Wilcox 写道: > On Tue, Jun 24, 2025 at 12:12:10PM +0000, 陈涛涛 Taotao Chen wrote: >> From: Taotao Chen >> >> Set the FOP_DONTCACHE flag in ext4_file_operations to indicate that >> ext4 supports IOCB_DONTCACHE handling in buffered write paths. > I think this patch should be combined with the previous patch so we > see all the change needed to support DONTCACHE in one patch. I’ll merge the patches to keep the DONTCACHE support self-contained. Thanks!