linux-ext4 - [ext4] How to simulate aborted journal error

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Message-ID: <f04dc82eca5849cb999e5d28d1694a1a@POCITMSXMB04.LntUniverse.com>
Date:	Tue, 19 Jul 2016 16:17:46 +0000
From:	Ankur Tank <Ankur.Tank@...Techservices.com>
To:	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
CC:	"artfri2@...il.com" <artfri2@...il.com>
Subject: [ext4] How to simulate aborted journal error

Hello Experts,

We are using BeagleBoneBlack based custom board,

During firmware upgrade testing I got following errors

[  194.912834] EXT4-fs error (device mmcblk0p15): ext4_journal_check_start:56: Detected aborted journal
[  194.922558] EXT4-fs (mmcblk0p15): Remounting filesystem read-only

Rebooting the board recovered this error but for testing I want to simulate this error and then in my upgrade scripts I want to handle that error case.
is there a way to simulate above error ?

Thank you,

Regards,
Ankur

L&T Technology Services Ltd

www.LntTechservices.com<http://www.lnttechservices.com/>

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