linux-ext4 - Re: [PATCH] jbd: change the field "b_cow_tid" of struct journal_head from type unsigned to tid

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Message-ID: <CAOQ4uxhGceySNm7-d=NdjPVZDsb4Pi8Gobf145zdDomZqhJCyQ@mail.gmail.com>
Date:	Mon, 25 Jul 2011 16:25:39 +0300
From:	Amir Goldstein <amir73il@...il.com>
To:	Wang Sheng-Hui <shhuiw@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jbd: change the field "b_cow_tid" of struct journal_head
 from type unsigned to tid_t

On Mon, Jul 25, 2011 at 4:02 PM, Wang Sheng-Hui <shhuiw@...il.com> wrote:
> The patch is against 3.0
>
> In the definition of struct journal_head, the comment for
> the field "unsigned b_cow_tid" says the field tracks the
> last transaction id in which this buffer has been cowed.
>
> In the header part of file journal-head.h, it defines
>   typedef unsigned int  tid_t;
> We should use type tid_t to define transaction id fields.
>
> Change the field "b_cow_tid" of struct journal_head from
> type unsigned to tid_t.
>
> Signed-off-by: Wang Sheng-Hui <shhuiw@...il.com>

my bad.

Acked-by: Amir Goldstein <amir73il@...rs.sf.net>

> ---
>  include/linux/journal-head.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
> index 44e95d0..423cb6d 100644
> --- a/include/linux/journal-head.h
> +++ b/include/linux/journal-head.h
> @@ -45,7 +45,7 @@ struct journal_head {
>         * has been cowed
>         * [jbd_lock_bh_state()]
>         */
> -       unsigned b_cow_tid;
> +       tid_t b_cow_tid;
>
>        /*
>         * Copy of the buffer data frozen for writing to the log.
> --
> 1.7.1
>
> --
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