Re: [PATCH 5/6] ocfs2: Wait for page writeback to provide stable pages

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On Mon 14-01-13 21:43:13, 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@xxxxxxxxxxxxxx
> CC: Joel Becker <jlbec@xxxxxxxxxxxx>
> CC: Mark Fasheh <mfasheh@xxxxxxxx>
> From: Jan Kara <jack@xxxxxxx>
> Signed-off-by: Jan Kara <jack@xxxxxxx>
  Darrick, to satisfy the kernel patch submission process you should also
add your Signed-off-by to the patch...

								Honza
> ---
>  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];
> 
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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