From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5679060DF2 for ; Sat, 3 Feb 2024 17:57:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.9.28.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706983062; cv=none; b=ru9R15fo26feo2T0ZkBW6m5e7pqgHu4llRSerjmR92uQh2I8DzvjFXPAlevHWVA+Hbaj16NqgjZXXi9DJ69BVbdpsFYKK5uaqsSXFslJrk9oBGZm+kfG79MRd/20s/nCJh6c16BWRRRcL4JoCushB0dlSqYhkjEfHXuuFNHkWzc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706983062; c=relaxed/simple; bh=L5XYF2KuEo1BrAG7ckKe76GQrqm8pMIi0dIvttW0n/o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Hv7T786IVSWjT/K+MFjMlCRUxjcIXhNTsNifZUuA2suGRJmIY4NM2qlcckrxNpuCzdzRXnLIQihqM0wv4mD4sT6ZoXLasm1UzKHYkDOKBPd7lUtHIgD09jHi/cZ44OCqyAqAEjR+f9nhobzI4/uW2UId2wi9dZW0x4AzQCIc1yI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu; spf=pass smtp.mailfrom=mit.edu; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b=n81vRCmS; arc=none smtp.client-ip=18.9.28.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mit.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b="n81vRCmS" Received: from cwcc.thunk.org (pool-173-48-82-236.bstnma.fios.verizon.net [173.48.82.236]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 413Hv0J2016980 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 3 Feb 2024 12:57:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1706983023; bh=cgektm8Q7wvIKkcrsOa9PWTVTa13uIiTg1vywPCUM4Q=; 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> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240127015825.1608160-6-yi.zhang@huaweicloud.com> 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.