linux-kernel - [patch] New mode DM-Verity error handling

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Message-ID: <98eac3fc-c399-625d-5730-29853b3a0771@samsung.com>
Date:   Thu, 18 Jun 2020 15:56:50 +0900
From:   JeongHyeon Lee <jhs2.lee@...sung.com>
To:     snitzer@...hat.com
Cc:     agk@...hat.com, dm-devel@...hat.com, corbet@....net,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [patch] New mode DM-Verity error handling

Hello, Dear devcice-mapper maintainers.

I'm JeongHyeon Lee, work in Samsung. I'm chage of DM-Verity feature with 
Mr. sunwook eom.
I have a patch or suggestion about DM-Verity error handling.

Our device (smart phone) need DM-Verity feature. So I hope there is new 
mode DM-Verity error handling.
This new mode concept is When detect corrupted block, will be go to panic.

Because our team policy is found device DM-Verity error, device will go 
panic.
And then analyze what kind of device fault (crash UFS, IO error, DRAM 
bit flip etc)

In addition to the smart phone, I would like to have an option that 
users or administrators can use accordingly.
There are patch contents in the attachment. I would really appreciate it 
if you could check it.

I will look forward to hearing from yours.
Thank you :)

View attachment "0001-dm-verity-new-error-handling-mode-for-corrupted-bloc.patch" of type "text/x-patch" (3309 bytes)