linux-kernel - Re: [patch 15/19] Filesystem: XFS slab defragmentation

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Message-ID: <20080812002057.GH6119@disturbed>
Date:	Tue, 12 Aug 2008 10:20:57 +1000
From:	Dave Chinner <david@...morbit.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Pekka Enberg <penberg@...helsinki.fi>, akpm@...ux-foundation.org,
	Christoph Lameter <clameter@....com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Mel Gorman <mel@...net.ie>, andi@...stfloor.org,
	Rik van Riel <riel@...hat.com>, mpm@...enic.com
Subject: Re: [patch 15/19] Filesystem: XFS slab defragmentation

On Mon, Aug 11, 2008 at 08:06:31AM -0700, Christoph Lameter wrote:
> Support inode defragmentation for xfs
> 
> Reviewed-by: Rik van Riel <riel@...hat.com>
> Signed-off-by: Christoph Lameter <clameter@....com>
> Signed-off-by: Christoph Lameter <cl@...ux-foundation.org>
> 
> ---
>  fs/xfs/linux-2.6/xfs_super.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> Index: linux-next/fs/xfs/linux-2.6/xfs_super.c
> ===================================================================
> --- linux-next.orig/fs/xfs/linux-2.6/xfs_super.c	2008-08-11 07:42:11.892359719 -0700
> +++ linux-next/fs/xfs/linux-2.6/xfs_super.c	2008-08-11 07:47:05.072348463 -0700
> @@ -1947,6 +1947,7 @@ xfs_init_zones(void)
>  	xfs_ioend_zone = kmem_zone_init(sizeof(xfs_ioend_t), "xfs_ioend");
>  	if (!xfs_ioend_zone)
>  		goto out_destroy_vnode_zone;
> +	kmem_cache_setup_defrag(xfs_vnode_zone, get_inodes, kick_inodes);
>  
>  	xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
>  						  xfs_ioend_zone);

Please update this patch as per my last comment.

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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