linux-kernel - Re:[PATCH v2] bcache: add the deferred_flush IO processing path in the writeback mode

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: <tencent_2272EC35532EE12E3CCD543A@qq.com>
Date: Mon, 26 May 2025 14:41:27 +0800
From: "Zhou Jifeng" <zhoujifeng@...inos.com.cn>
To: "周继峰" <zhoujifeng@...inos.com.cn>, "Coly Li" <colyli@...nel.org>
Cc: "邓旺波" <dengwangbo@...inos.com.cn>, "kent.overstreet" <kent.overstreet@...ux.dev>, "linux-bcache" <linux-bcache@...r.kernel.org>, "linux-kernel" <linux-kernel@...r.kernel.org>, "夏华" <xiahua@...inos.com.cn>
Subject: Re:[PATCH v2] bcache: add the deferred_flush IO processing path in the writeback mode

On Mon, 28 Apr 2025 at 15:36, Zhou Jifeng <zhoujifeng@...inos.com.cn> wrote:
.....
> v1->v2: Version v2 mainly addresses the issue of low efficiency in
> writing back dirty data in version v1. When writing back dirty data,
> it no longer uses the FUA method but instead writes back no more than
> 500 dirty bkeys and then uniformly sends a PREFLUSH instruction once.
> I will supplement more test data later.
.....

Comparison test data::
https://github.com/jifengzhou/file/blob/main/bcache-deferred-patch-correlation-data.pdf

Best regards,

Zhou Jifeng