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DateWed, 9 Jan 2008 23:51:48 -0800
FromAndrew Morton <>
SubjectRe: [PATCH]: ufs: fix symlink creation on ufs2
On Wed, 2 Jan 2008 23:47:04 +0300 Evgeniy Dushistov <dushistov@mail.ru> wrote:

> If create symlink on UFS2 filesystem under Linux,
> it looks wrong under other OSes, because of max symlink length
> field was not initialized properly, and data blocks were not
> used to save short symlink names.
> 
> Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
> Cc: Steven <stevenaaus@yahoo.com>
> 
> ---
> 
> diff --git a/fs/ufs/super.c b/fs/ufs/super.c
> index 0072cb3..14605c0 100644
> --- a/fs/ufs/super.c
> +++ b/fs/ufs/super.c
> @@ -131,6 +131,8 @@ static void ufs_print_super_stuff(struct super_block *sb,
>  		printk(KERN_INFO"  cs_nffree(Num of free frags): %llu\n",
>  		       (unsigned long long)
>  		       fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nffree));
> +		printk(KERN_INFO"  fs_maxsymlinklen: %u\n",
> +		       usb3->fs_un2.fs_44.fs_maxsymlinklen);

I assume this needs conversion via fs32_to_cpu() before we print it.

>  	} else {
>  		printk(" sblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
>  		printk(" cblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
> @@ -1060,8 +1062,8 @@ magic_found:
>  	uspi->s_bpf = uspi->s_fsize << 3;
>  	uspi->s_bpfshift = uspi->s_fshift + 3;
>  	uspi->s_bpfmask = uspi->s_bpf - 1;
> -	if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) ==
> -	    UFS_MOUNT_UFSTYPE_44BSD)
> +	if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_44BSD ||
> +	    (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_UFS2)
>  		uspi->s_maxsymlinklen =
>  		    fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen);
> 



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