linux-ext4 - Re: Bad performance results with the latest git patches

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Message-ID: <46E52CFC.7080900@bull.net>
Date:	Mon, 10 Sep 2007 13:39:40 +0200
From:	Valerie Clement <valerie.clement@...l.net>
To:	Andreas Dilger <adilger@...sterfs.com>
Cc:	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: Bad performance results with the latest git patches

Andreas Dilger wrote:
> The problem was in the recently-added "extent sanity checks", and has
> also been fixed:
> 
> Signed-off-by: Andreas Dilger <adilger@...sterfs.com>
> Signed-off-by: Alex Tomas <alex@...sterfs.com>
> Signed-off-by: Johann Lombardi <johann@...sterfs.com>
> 
> diff -u linux-2.6.18.8/fs/ext3/extents.c linux-2.6.18.8/fs/ext3/extents.c
> --- linux-2.6.18.8/fs/ext3/extents.c	2007-06-20 18:54:00.000000000 +0200
> +++ linux-2.6.18.8/fs/ext3/extents.c	2007-06-20 18:54:00.000000000 +0200
> @@ -1069,7 +1069,7 @@ ext3_ext_search_right(struct inode *inode,
>  		if (bh == NULL)
>  			return -EIO;
>  		eh = ext_block_hdr(bh);
> -		if (ext3_ext_check_header(inode, eh, depth)) {
> +		if (ext3_ext_check_header(inode, eh, path->p_depth - depth)) {
>  			brelse(bh);
>  			return -EIO;
>  		}
> 
Thanks Andreas, I confirm this patch fixes the problem.
   Valérie
-
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