linux-kernel - Re: [PATCH v2 5/5] ext4: declare support for FOP

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] [day] [month] [year] [list]

Message-ID: <20250625143655.GF28249@mit.edu>
Date: Wed, 25 Jun 2025 10:36:55 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: 陈涛涛 Taotao Chen <chentaotao@...iglobal.com>
Cc: "hch@...radead.org" <hch@...radead.org>,
        "adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>,
        "willy@...radead.org" <willy@...radead.org>,
        "brauner@...nel.org" <brauner@...nel.org>,
        "jani.nikula@...ux.intel.com" <jani.nikula@...ux.intel.com>,
        "rodrigo.vivi@...el.com" <rodrigo.vivi@...el.com>,
        "tursulin@...ulin.net" <tursulin@...ulin.net>,
        "airlied@...il.com" <airlied@...il.com>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "chentao325@...com" <chentao325@...com>
Subject: Re: [PATCH v2 5/5] ext4: declare support for FOP_DONTCACHE

On Tue, Jun 24, 2025 at 12:12:10PM +0000, 陈涛涛 Taotao Chen wrote:
> From: Taotao Chen <chentaotao@...iglobal.com>
> 
> Set the FOP_DONTCACHE flag in ext4_file_operations to indicate that
> ext4 supports IOCB_DONTCACHE handling in buffered write paths.
> 
> Part of a series refactoring address_space_operations write_begin and
> write_end callbacks to use struct kiocb for passing write context and
> flags.
> 
> Signed-off-by: Taotao Chen <chentaotao@...iglobal.com>

I agree that it would be better to combine the ext4 patches.

Acked-by: Theodore Ts'o <tytso@....edu>