linux-ext4 - Re: [PATCH] debugfs: open with EXT2_FLAG

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Date:	Thu, 08 Oct 2009 15:17:00 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] debugfs: open with EXT2_FLAG_64BITS

Eric Sandeen wrote:
> Pointing debugfs from the pu branch at a large filesystem is
> still failing with:
> 
>  Filesystem too large to use legacy bitmaps while reading block bitmap
> 
> We need to open with EXT2_FLAG_64BITS; I'm not sure if this
> should be a switch based on the size of the fs or not?
> 
> But in any case the below gets things moving enough to
> use debugfs on a large filesystem.

ping?

Thanks,
-Eric

> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
> ---
> 
> diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
> index 3bb309f..fbebae7 100644
> --- a/debugfs/debugfs.c
> +++ b/debugfs/debugfs.c
> @@ -127,7 +127,7 @@ void do_open_filesys(int argc, char **argv)
>  	int	catastrophic = 0;
>  	blk64_t	superblock = 0;
>  	blk64_t	blocksize = 0;
> -	int	open_flags = EXT2_FLAG_SOFTSUPP_FEATURES;
> +	int	open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS; 
>  	char	*data_filename = 0;
>  
>  	reset_getopt();
> @@ -2148,7 +2148,7 @@ int main(int argc, char **argv)
>  	int		sci_idx;
>  	const char	*usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
>  	int		c;
> -	int		open_flags = EXT2_FLAG_SOFTSUPP_FEATURES;
> +	int		open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
>  	char		*request = 0;
>  	int		exit_status = 0;
>  	char		*cmd_file = 0;
> 
> --
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