linux-ext4 - Re: [PATCH 3/6] [64-bit] mke2fs 64-bit miscellaneous fixes.

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Message-ID: <20090504062056.GE9151@shell>
Date:	Mon, 4 May 2009 02:20:56 -0400
From:	Valerie Aurora <vaurora@...hat.com>
To:	Nick Dokos <nicholas.dokos@...com>
Cc:	linux-ext4@...r.kernel.org, "Theodore Ts'o" <tytso@....edu>
Subject: Re: [PATCH 3/6] [64-bit] mke2fs 64-bit miscellaneous fixes.

On Fri, May 01, 2009 at 04:46:41AM -0400, Nick Dokos wrote:
> Fix the code that was supposed to zero the last 16 blocks of the
> volume: in the case of volumes larger than 2^32 blocks, various
> conversions were conspiring to produce a range other than the intended
> one.
> 
> Fix show_stats() for block numbers >= 2^32: blk_t -> blk64_t and printf
> format.
> 
> Change int_log{2,10}() to take 64-bit arguments. Also change the int_log10()
> implementation in progress.c in the same way.
> 
> Signed-off-by: Nick Dokos <nicholas.dokos@...com>
> ---
>  lib/ext2fs/progress.c |    2 +-
>  misc/mke2fs.c         |   14 +++++++-------
>  2 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/lib/ext2fs/progress.c b/lib/ext2fs/progress.c
> index ff298d6..c8ee70c 100644
> --- a/lib/ext2fs/progress.c
> +++ b/lib/ext2fs/progress.c
> @@ -13,7 +13,7 @@
>  #include "ext2fs.h"
>  #include "ext2fsP.h"
>  
> -static int int_log10(unsigned int arg)
> +static int int_log10(unsigned long long int arg)
>  {
>  	int	l;
>  
> diff --git a/misc/mke2fs.c b/misc/mke2fs.c
> index 9c3f736..1f52b72 100644
> --- a/misc/mke2fs.c
> +++ b/misc/mke2fs.c
> @@ -116,7 +116,7 @@ static void usage(void)
>  	exit(1);
>  }
>  
> -static int int_log2(int arg)
> +static int int_log2(unsigned long long arg)
>  {
>  	int	l = 0;
>  
> @@ -128,7 +128,7 @@ static int int_log2(int arg)
>  	return l;
>  }
>  
> -static int int_log10(unsigned int arg)
> +static int int_log10(unsigned long long arg)
>  {
>  	int	l;
>  
> @@ -546,7 +546,7 @@ static void show_stats(ext2_filsys fs)
>  	struct ext2_super_block *s = fs->super;
>  	char 			buf[80];
>          char                    *os;
> -	blk_t			group_block;
> +	blk64_t			group_block;
>  	dgrp_t			i;
>  	int			need, col_left;
>  
> @@ -604,7 +604,7 @@ static void show_stats(ext2_filsys fs)
>  			col_left = 72;
>  		}
>  		col_left -= need;
> -		printf("%u", group_block);
> +		printf("%llu", group_block);
>  	}
>  	printf("\n\n");
>  }
> @@ -1999,9 +1999,9 @@ int main (int argc, char *argv[])
>  		fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
>  	} else {
>  		/* rsv must be a power of two (64kB is MD RAID sb alignment) */
> -		unsigned int rsv = 65536 / fs->blocksize;
> -		unsigned long long blocks = ext2fs_blocks_count(fs->super);
> -		unsigned long start;
> +		blk64_t rsv = 65536 / fs->blocksize;
> +		blk64_t blocks = ext2fs_blocks_count(fs->super);
> +		blk64_t start;
>  		blk64_t ret_blk;
>  
>  #ifdef ZAP_BOOTBLOCK
> -- 
> 1.6.0.6
> 

Signed-off-by: Valerie Aurora (Henson) <vaurora@...hat.com>

-VAL
--
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