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Date:	Tue, 4 Jun 2013 14:30:59 -0400
From:	Theodore Ts'o <>
To:	Jan Kara <>
Subject: Re: [PATCH 21/26] ext4: Remove wait for unwritten extent conversion
 from ext4_truncate()

On Fri, May 31, 2013 at 11:42:54AM +0200, Jan Kara wrote:
> Since PageWriteback bit is now cleared after extents are converted from
> unwritten to written ones, we have full exclusion of writeback path from
> truncate (truncate_inode_pages() waits for PageWriteback bits to get cleared
> on all invalidated pages). Exclusion from DIO path is achieved by
> inode_dio_wait() call in ext4_setattr(). So there's no need to wait for
> extent convertion in ext4_truncate() anymore.
> Reviewed-by: Zheng Liu <>
> Signed-off-by: Jan Kara <>

Thanks, applied.

							- Ted
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