linux-ext4 - Re: [PATCH] jbd2: Make jbd2_handle_buffer

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Message-ID: <20191115142313.GB23689@mit.edu>
Date:   Fri, 15 Nov 2019 09:23:13 -0500
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org, Eric Biggers <ebiggers@...nel.org>
Subject: Re: [PATCH] jbd2: Make jbd2_handle_buffer_credits() handle reserved
 handles

On Fri, Nov 15, 2019 at 11:22:10AM +0100, Jan Kara wrote:
> The helper jbd2_handle_buffer_credits() doesn't correctly handle reserved
> handles which can lead to crashes. Fix it getting of journal pointer to
> work for reserved handles as well.
> 
> Fixes: a9a8344ee171 ("ext4, jbd2: Provide accessor function for handle credits")
> Reported-by: Eric Biggers <ebiggers@...nel.org>
> Signed-off-by: Jan Kara <jack@...e.cz>

Thanks, applied.

					- Ted