[Ocfs2-devel] [PATCH 5/6] ocfs2: Wait for page writeback to provide stable pages
Joel Becker
jlbec at evilplan.org
Tue Jan 29 17:05:12 PST 2013
Acked-by: Joel Becker <jlbec at evilplan.org>
On Fri, Jan 18, 2013 at 05:13:08PM -0800, Darrick J. Wong wrote:
> When stable pages are required, we have to wait if the page is just
> going to disk and we want to modify it. Add proper callback to
> ocfs2_grab_pages_for_write().
>
> CC: ocfs2-devel at oss.oracle.com
> CC: Joel Becker <jlbec at evilplan.org>
> CC: Mark Fasheh <mfasheh at suse.com>
> From: Jan Kara <jack at suse.cz>
> Signed-off-by: Jan Kara <jack at suse.cz>
> Signed-off-by: Darrick J. Wong <darrick.wong at oracle.com>
> ---
> fs/ocfs2/aops.c | 1 +
> 1 file changed, 1 insertion(+)
>
>
> diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
> index 6577432..9796330 100644
> --- a/fs/ocfs2/aops.c
> +++ b/fs/ocfs2/aops.c
> @@ -1194,6 +1194,7 @@ static int ocfs2_grab_pages_for_write(struct address_space *mapping,
> goto out;
> }
> }
> + wait_for_stable_page(wc->w_pages[i]);
>
> if (index == target_index)
> wc->w_target_page = wc->w_pages[i];
>
--
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http://www.jlbec.org/
jlbec at evilplan.org
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