linux-ext4 - Re: [PATCH] ext4: critical info format fix in _

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Message-ID: <4D80CE96.1080300@tao.ma>
Date:	Wed, 16 Mar 2011 22:52:06 +0800
From:	Tao Ma <tm@....ma>
To:	Robin Dong <hao.bigrat@...il.com>
CC:	linux-ext4@...r.kernel.org, Robin Dong <sanbai@...bao.com>,
	stable-commits@...r.kernel.org
Subject: Re: [PATCH] ext4: critical info format fix in __acquire

Hi Robin,
	The function that has the problem isn't ;__acquire', but
__ext4_grp_locked_error. the description __acquire is used for sparse
check. So I guess it is a little misleading for the subject. Please
change it. Thanks.

btw, You can add Cc: stable@...nel.org in your patch if you want this
patch to be in stable.

Regards,
Tao
On 03/16/2011 05:37 PM, Robin Dong wrote:
> From: Robin Dong <sanbai@...bao.com>
> 
> When we do performence-testing on ext4 filesystem, we observe a warning
> like this:
> 
> [ 1684.113205] EXT4-fs error (device sda7): ext4_mb_generate_buddy:718: group 259825901 blocks in bitmap, 26057 in gd
> 
> indeed, it should be
> 
> group 2598, 25901 blocks in bitmap, 26057 in gd.
> 
> Reviewed-by: Coly Li <bosong.ly@...bao.com>
> Signed-off-by: Robin Dong <sanbai@...bao.com>
> ---
>  fs/ext4/super.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index f6a318f..bb38475 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -594,7 +594,7 @@ __acquires(bitlock)
>  
>  	vaf.fmt = fmt;
>  	vaf.va = &args;
> -	printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: group %u",
> +	printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: group %u, ",
>  	       sb->s_id, function, line, grp);
>  	if (ino)
>  		printk(KERN_CONT "inode %lu: ", ino);

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