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Date:   Sat, 25 Jan 2020 02:59:40 -0500
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     "zhangyi (F)" <yi.zhang@...wei.com>, linux-ext4@...r.kernel.org,
        jack@...e.com, adilger.kernel@...ger.ca, liangyun2@...wei.com,
        luoshijie1@...wei.com
Subject: Re: [PATCH v3 2/4] ext4, jbd2: ensure panic when aborting with zero
 errno

On Wed, Dec 04, 2019 at 01:52:13PM +0100, Jan Kara wrote:
> On Wed 04-12-19 20:46:12, zhangyi (F) wrote:
> > JBD2_REC_ERR flag used to indicate the errno has been updated when jbd2
> > aborted, and then __ext4_abort() and ext4_handle_error() can invoke
> > panic if ERRORS_PANIC is specified. But if the journal has been aborted
> > with zero errno, jbd2_journal_abort() didn't set this flag so we can
> > no longer panic. Fix this by always record the proper errno in the
> > journal superblock.
> > 
> > Fixes: 4327ba52afd03 ("ext4, jbd2: ensure entering into panic after recording an error in superblock")
> > Signed-off-by: zhangyi (F) <yi.zhang@...wei.com>
> 
> Looks good to me. You can add:
> 
> Reviewed-by: Jan Kara <jack@...e.cz>

Applied, thanks.

					- Ted

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