linux-kernel - RE: [External] Re: [PATCH] dm writecache: skip writecache

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: <HK2PR03MB44187A842A32DDE799E33088928E0@HK2PR03MB4418.apcprd03.prod.outlook.com>
Date:   Wed, 18 Sep 2019 12:48:19 +0000
From:   Huaisheng HS1 Ye <yehs1@...ovo.com>
To:     Mikulas Patocka <mpatocka@...hat.com>
CC:     "snitzer@...hat.com" <snitzer@...hat.com>,
        "agk@...hat.com" <agk@...hat.com>,
        "prarit@...hat.com" <prarit@...hat.com>,
        Tzu ting Yu1 <tyu1@...ovo.com>,
        "dm-devel@...hat.com" <dm-devel@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Huaisheng Ye <yehs2007@...o.com>
Subject: RE: [External]  Re: [PATCH] dm writecache: skip writecache_wait for
 pmem mode

> -----Original Message-----
> From: Mikulas Patocka <mpatocka@...hat.com>
> Sent: Wednesday, September 18, 2019 6:24 PM
> The dm-writecache target is supposed to optimize writes, not reads.
> Normally, there won't be any reads following a write, because the data would be
> stored in the cache in RAM.
> 
> Mikulas

Got it, Thanks for pointing that out.

Cheers,
Huaisheng Ye | 叶怀胜
Linux kernel | Lenovo DCG