linux-ext4 - Re: [PATCH] jbd2: Fix the wrong calculation of t_max_wait in update_t_max

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Message-ID: <20110523014734.GH10009@thunk.org>
Date:	Sun, 22 May 2011 21:47:34 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Tao Ma <tm@....ma>
Cc:	linux-ext4@...r.kernel.org, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH] jbd2: Fix the wrong calculation of t_max_wait in
 update_t_max_wait.

On Tue, May 10, 2011 at 06:48:19PM +0800, Tao Ma wrote:
> From: Tao Ma <boyu.mt@...bao.com>
> 
> t_max_wait is added in commit 8e85fb3f to indicate how long we
> were waiting for new transaction to start. In commit 6d0bf005,
> it is moved to another function named update_t_max_wait to
> avoid a build warning. But the wrong thing is that the original
> 'ts' is initialized in the start of function start_this_handle
> and we can calculate t_max_wait in the right way. while with
> this change, ts is initialized within the function and t_max_wait
> can never be calculated right.
> 
> This patch moves the initialization of ts to the original beginning
> of start_this_handle and pass it to function update_t_max_wait so
> that it can be calculated right and the build warning is avoided also.
> 
> Cc: Jan Kara <jack@...e.cz>
> Cc: "Theodore Ts'o" <tytso@....edu>
> Signed-off-by: Tao Ma <boyu.mt@...bao.com>

Thanks, added to the ext4 tree.

						- Ted
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