linux-kernel - Re: [PATCH v6 04/24] erofs: add raw address

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190829114610.GF64893@architecture4>
Date:   Thu, 29 Aug 2019 19:46:11 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Christoph Hellwig <hch@...radead.org>
CC:     Alexander Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Theodore Ts'o <tytso@....edu>, "Pavel Machek" <pavel@...x.de>,
        David Sterba <dsterba@...e.cz>,
        Amir Goldstein <amir73il@...il.com>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        "Dave Chinner" <david@...morbit.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>, Jan Kara <jack@...e.cz>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        <linux-fsdevel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        LKML <linux-kernel@...r.kernel.org>,
        <linux-erofs@...ts.ozlabs.org>, Chao Yu <yuchao0@...wei.com>,
        Miao Xie <miaoxie@...wei.com>,
        Li Guifu <bluce.liguifu@...wei.com>,
        Fang Wei <fangwei1@...wei.com>
Subject: Re: [PATCH v6 04/24] erofs: add raw address_space operations

Hi Christoph,

On Thu, Aug 29, 2019 at 03:17:21AM -0700, Christoph Hellwig wrote:
> The actual address_space operations seem to largely duplicate
> the iomap versions.  Please use those instead.  Also I don't think
> any new file system should write up ->bmap these days.

iomap doesn't support tail-end packing inline data till now,
I think Chao and I told you and Andreas before [1].

Since EROFS keeps a self-contained driver for now, we will use
iomap if it supports tail-end packing inline data later.

[1] https://lore.kernel.org/linux-fsdevel/90fca1c4-c142-992d-ebf3-03c8017f95b7@huawei.com/

Thanks,
Gao Xiang