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Date:	Wed, 21 Nov 2012 11:32:41 -0800
From:	Joel Becker <jlbec@...lplan.org>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	axboe@...nel.dk, tytso@....edu, david@...morbit.com,
	jmoyer@...hat.com, bpm@....com, viro@...iv.linux.org.uk,
	jack@...e.cz, linux-fsdevel@...r.kernel.org, hch@...radead.org,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	xfs@....sgi.com
Subject: Re: [PATCH 7/9] ocfs2: Use generic handlers of O_SYNC AIO DIO

On Mon, Nov 19, 2012 at 11:51:14PM -0800, Darrick J. Wong wrote:
> Use generic handlers to queue fsync() when AIO DIO is completed for O_SYNC
> file.
> 
> From: Jan Kara <jack@...e.cz>
> Signed-off-by: Jan Kara <jack@...e.cz>
> Signed-off-by: Jeff Moyer <jmoyer@...hat.com>
Acked-by: Joel Becker <jlbec@...lplan.org>

> ---
>  fs/ocfs2/aops.c |    6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> 
> diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
> index 6577432..60457cc 100644
> --- a/fs/ocfs2/aops.c
> +++ b/fs/ocfs2/aops.c
> @@ -593,9 +593,7 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
>  	level = ocfs2_iocb_rw_locked_level(iocb);
>  	ocfs2_rw_unlock(inode, level);
>  
> -	if (is_async)
> -		aio_complete(iocb, ret, 0);
> -	inode_dio_done(inode);
> +	generic_dio_end_io(iocb, offset, bytes, private, ret, is_async);
>  }
>  
>  /*
> @@ -642,7 +640,7 @@ static ssize_t ocfs2_direct_IO(int rw,
>  	return __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev,
>  				    iov, offset, nr_segs,
>  				    ocfs2_direct_IO_get_blocks,
> -				    ocfs2_dio_end_io, NULL, 0);
> +				    ocfs2_dio_end_io, NULL, DIO_SYNC_WRITES);
>  }
>  
>  static void ocfs2_figure_cluster_boundaries(struct ocfs2_super *osb,
> 
> 
> --
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-- 

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        - T. S. Eliot

			http://www.jlbec.org/
			jlbec@...lplan.org
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