linux-ext4 - Re: [PATCH 5/5] ext4: invalidate exntent-status-tree during extent

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Date:	Mon, 25 Feb 2013 19:06:54 +0100
From:	Jan Kara <jack@...e.cz>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	linux-ext4@...r.kernel.org, tytso@....edu, jack@...e.cz,
	wenqing.lz@...bao.com
Subject: Re: [PATCH 5/5] ext4: invalidate exntent-status-tree during
 extent_migration

On Mon 25-02-13 20:07:43, Dmitry Monakhov wrote:
> mext_replace_branches() will change inode's extents layout so
> we have to drop corresponding cache.
> 
> TESTCASE:  301'th xfstest was not yet accepted to official xfstest's branch
> and can be found here: https://github.com/dmonakhov/xfstests/commit/7b7efeee30a41109201e2040034e71db9b66ddc0
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
  Makes sense. You can add:
Reviewed-by: Jan Kara <jack@...e.cz>

								Honza
> ---
>  fs/ext4/move_extent.c |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
> index d78c33e..c1f15b2 100644
> --- a/fs/ext4/move_extent.c
> +++ b/fs/ext4/move_extent.c
> @@ -666,6 +666,14 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
>  	int replaced_count = 0;
>  	int dext_alen;
>  
> +	*err = ext4_es_remove_extent(orig_inode, from, count);
> +	if (*err)
> +		goto out;
> +
> +	*err = ext4_es_remove_extent(donor_inode, from, count);
> +	if (*err)
> +		goto out;
> +
>  	/* Get the original extent for the block "orig_off" */
>  	*err = get_ext_path(orig_inode, orig_off, &orig_path);
>  	if (*err)
> -- 
> 1.7.1
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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