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h=Date:From:Subject:Message-ID:MIME-Version:Content-Type; b=n81vRCmSk5GvNTiXt3ljeqomzIgwcMUo5S6oAocqScuncfnGHRQ6R3RHyqAdMlEpn HktVRHFGsKiNMvi5miX4LLjzTm6Ayn4SMzu0eMbJd9ZM2hzTGo+RdL0RH651HO047O 5o+Up20WUjt4fnEssoNFAh5pwcuRE6WsabSdb0ql+WvA7TG2PP8vleQhJP/bLCeNbN o1nObKq9Q+sqyYkZ86cudLcGYvwdjcXBJa4lY0tr2h6fLGh92MDk0wtSzopH7/GO91 iH3lV/q7iJOYmzerxB2i43FRIEHnbo0eahb0sqkktp5lmQeNVzDSa1CnQQ5w1yfn2t Im+y23yeZB2Rw== Received: by cwcc.thunk.org (Postfix, from userid 15806) id 5574C15C02FC; Sat, 3 Feb 2024 12:57:00 -0500 (EST) Date: Sat, 3 Feb 2024 12:57:00 -0500 From: "Theodore Ts'o" To: Zhang Yi Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, adilger.kernel@dilger.ca, jack@suse.cz, ritesh.list@gmail.com, hch@infradead.org, djwong@kernel.org, willy@infradead.org, zokeefe@google.com, yi.zhang@huawei.com, chengzhihao1@huawei.com, yukuai3@huawei.com, wangkefeng.wang@huawei.com Subject: Re: [PATCH v3 05/26] ext4: make ext4_map_blocks() distinguish delalloc only extent Message-ID: <20240203175700.GH36616@mit.edu> References: <20240127015825.1608160-1-yi.zhang@huaweicloud.com> <20240127015825.1608160-6-yi.zhang@huaweicloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240127015825.1608160-6-yi.zhang@huaweicloud.com> X-Rspamd-Queue-Id: 810E8140010 X-Rspam-User: X-Stat-Signature: yxhxk16uqp4rcpjsimpi3d58zydms4sk X-Rspamd-Server: rspam03 X-HE-Tag: 1706983055-791184 X-HE-Meta: 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 95JtjAcK HDXPXxn7aMN3a1+wJotBSO3mrlgFeWdjPQx8O9BCbT3IBVzwF0+nJlSp3Z3SjMntaOO7ekpahiqTvoxf0Lq8LLpmfujCc4c9xPXrdjg9Vcf1n8tsE4eePwsInAtPampuVhhAVkvtiRcr3FUT9/jeolVVMEN3HndsdR0t3ahEKyXzk+aiCqsdgHt04Pv9JFXmbd5CYpWtec/ngSewF48/gixdVn8fi5LdbZUxIxWB0DIR26uysEHTLp8h8Y7PythYvLvz53DPYOcCj0BqTRKF3dZUIdYJScBhRDtCGoH9dVHtQUbE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000011, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, Jan 27, 2024 at 09:58:04AM +0800, Zhang Yi wrote: > From: Zhang Yi > > Add a new map flag EXT4_MAP_DELAYED to indicate the mapping range is a > delayed allocated only (not unwritten) one, and making > ext4_map_blocks() can distinguish it, no longer mixing it with holes. > > Signed-off-by: Zhang Yi > Reviewed-by: Jan Kara Thanks, applied.