Re: Using libext2fs in libe2p?

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On Feb 03, 2009  14:56 -0500, Valerie Aurora Henson wrote:
> Possible solutions:
> 
> Link libext2fs with libe2p
> Open code 64-bit block counts
> Require users of libe2p to link with libext2fs
> Move ext2fs_blocks_count() and friends into a header file and inline them

I would probably do the latter.  The functions are small enough that
inlining them is likely equivalent in terms of instructions compared
to jumping to a new function.

> diff --git a/lib/e2p/ls.c b/lib/e2p/ls.c
> index 6d2ce70..1923793 100644
> --- a/lib/e2p/ls.c
> +++ b/lib/e2p/ls.c
> @@ -20,6 +20,7 @@
>  #include <time.h>
>  
>  #include "e2p.h"
> +#include "ext2fs/ext2fs.h"
>  
>  static void print_user (unsigned short uid, FILE *f)
>  {
> @@ -219,9 +220,9 @@ void list_super2(struct ext2_super_block * sb, FILE *f)
>         fprintf(f, "Filesystem OS type:       %s\n", str);
>         free(str);
>         fprintf(f, "Inode count:              %u\n", sb->s_inodes_count);
> -       fprintf(f, "Block count:              %u\n", sb->s_blocks_count);
> -       fprintf(f, "Reserved block count:     %u\n", sb->s_r_blocks_count);
> -       fprintf(f, "Free blocks:              %u\n", sb->s_free_blocks_count);
> +       fprintf(f, "Block count:              %llu\n", ext2fs_blocks_count(sb));
> +       fprintf(f, "Reserved block count:     %llu\n", ext2fs_r_blocks_count(sb));
> +       fprintf(f, "Free blocks:              %llu\n", ext2fs_free_blocks_count(sb));
>         fprintf(f, "Free inodes:              %u\n", sb->s_free_inodes_count);
>         fprintf(f, "First block:              %u\n", sb->s_first_data_block);
>         fprintf(f, "Block size:               %u\n", EXT2_BLOCK_SIZE(sb));
> 
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Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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