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Date:	Tue, 18 Jun 2013 11:40:53 -0400
From:	Theodore Ts'o <>
	Ashish Sangwan <>,
	Namjae Jeon <>
Subject: Re: [PATCH] ext4: optimize extent selection for block removal in
 case of hole punch

On Fri, May 24, 2013 at 08:09:17PM +0530, wrote:
> From: Ashish Sangwan <>
> Both hole punch and truncate use ext4_ext_rm_leaf for removing
> blocks. Currently we choose the last extent as the starting
> point for removing blocks: ex = EXT_LAST_EXTENT(eh);
> This is OK for truncate but for hole punch we can optimize the
> extent selection as the path is already initialized.
> We could use this information to select proper starting extent.
> The code change in this patch will not affect truncate as for
> truncate path[depth].p_ext will always be NULL.
> Signed-off-by: Ashish Sangwan <>
> Signed-off-by: Namjae Jeon <>

Applied, thanks.

					- Ted
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