Re: [PATCH] ext2:delete misused ext2_free_blocks

[Dan Carpenter <error27@gmail.com>]

On Wed, Jun 30, 2010 at 06:21:27PM +0800, Peter Pan wrote:
> if ext2_new_blocks returns error, no blocks need to be freed.
> 

Hi Peter,

Your patch isn't right.  The original code is OK as is.

Are you seeing a kernel panic?  Perhaps we can help you fix it.

regards,
dan carpenter

> Signed-off-by: Peter Pan <wppan@redflag-linux.com>
> ---
>  fs/ext2/inode.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
> index 3675088..f858847 100644
> --- a/fs/ext2/inode.c
> +++ b/fs/ext2/inode.c
> @@ -385,6 +385,8 @@ static int ext2_alloc_blocks(struct inode *inode,
>  	ext2_fsblk_t current_block = 0;
>  	int ret = 0;
>  
> +	*err = -ENOSPC;
> +
>  	/*
>  	 * Here we try to allocate the requested multiple blocks at once,
>  	 * on a best-effort basis.
> @@ -421,8 +423,6 @@ static int ext2_alloc_blocks(struct inode *inode,
>  	*err = 0;
>  	return ret;
>  failed_out:
> -	for (i = 0; i <index; i++)
> -		ext2_free_blocks(inode, new_blocks[i], 1);
>  	return ret;
>  }
>  
> -- 
> 1.6.6