linux-ext4 - Re: 4.2 kernel trace when hot unplug a mounted USB/SATA/MMC devices with ext2/ext3/ext4 file system

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Message-ID: <20150815085810.GA21033@lst.de>
Date:	Sat, 15 Aug 2015 10:58:10 +0200
From:	Christoph Hellwig <hch@....de>
To:	Duc Dang <dhdang@....com>
Cc:	Jan Kara <jack@...e.cz>,
	"Darrick J. Wong" <darrick.wong@...cle.com>,
	Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	Jan Kara <jack@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-ext4@...r.kernel.org, USB list <linux-usb@...r.kernel.org>,
	patches <patches@....com>, hch@....de
Subject: Re: 4.2 kernel trace when hot unplug a mounted USB/SATA/MMC
	devices with ext2/ext3/ext4 file system

On Fri, Aug 14, 2015 at 05:52:44PM -0700, Duc Dang wrote:
> The commit 08439fec26 "ext4: remove block_device_ejected" only causes
> issue with ext4 and
> trying reverting it helps our test passes with ext4.
> 
> But how about the same issue with ext2/ext3?

I tried to fix the underlying issue, but I either failed to fully
fixed it or someone regressed it.

Can you if rev 08439fec26 on it's own works to see if I missed
a case or it was regressed later?
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