linux-ext4 - Re: [PATCH v3] Updated locking documentation for transaction

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Message-ID: <YGc7AcUkZ99iAOGO@mit.edu>
Date:   Fri, 2 Apr 2021 11:40:49 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Alexander Lochmann <alexander.lochmann@...dortmund.de>
Cc:     Horst Schirmeier <horst.schirmeier@...dortmund.de>,
        Jan Kara <jack@...e.cz>, Jan Kara <jack@...e.com>,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] Updated locking documentation for transaction_t

On Thu, Feb 11, 2021 at 06:14:10PM +0100, Alexander Lochmann wrote:
> Some members of transaction_t are allowed to be read without
> any lock being held if accessed from the correct context.
> We used LockDoc's findings to determine those members.
> Each member of them is marked with a short comment:
> "no lock needed for jbd2 thread".
> 
> Signed-off-by: Alexander Lochmann <alexander.lochmann@...dortmund.de>
> Signed-off-by: Horst Schirmeier <horst.schirmeier@...dortmund.de>
> Reviewed-by: Jan Kara <jack@...e.cz>

Thanks, applied.  I reflowed the comments before applying the patch.

		    	     	 	  - Ted