linux-kernel - EXT4 bad block

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Message-ID: <61AE2E6F29F7AC4182A7076FC3478CDAC217E7@PGSMSX101.gar.corp.intel.com>
Date:	Thu, 28 Apr 2016 09:44:16 +0000
From:	"Lay, Kuan Loon" <kuan.loon.lay@...el.com>
To:	"tytso@....edu" <tytso@....edu>,
	"adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: EXT4 bad block

Hi,

I encounter random bad block on different file, the message looks like "EXT4-fs error (device mmcblk0p14): ext4_xattr_block_get:298: inode #77: comm (syslogd): bad block 7288". 

I am using mke2fs 1.43-WIP (18-May-2015) and I saw this message "Suggestion: Use Linux kernel >= 3.18 for improved stability of the metadata and journal checksum features." print out. 

My current kernel version is 3.14.55, what patch I need to backport to solve the bad block issue?

Thanks

Best Regards,
Lay