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Date:	Fri, 8 Jun 2007 11:36:00 -0400
From:	Theodore Tso <>
To:	Karsten Hopp <>
Subject: Re: Patch to support LUKS UUIDs in libblkid

In addition to the comments already posted:

> +/* check it manually as using LUKS_read_phdr from libcryptsetup
> + * prints too many warnings if it isn't a luks partition and would add a
> + * dependency on the lib */
> +static int probe_luks(struct blkid_probe *probe,
> +		       struct blkid_magic *id __BLKID_ATTR((unused)), 
> +		       unsigned char *buf)
> +{
> +	const char *luks_magic = id->bim_magic;
> +	unsigned char *p_buf = buf;
> +	unsigned char uuid[40];
> +	if(strncmp(buf, luks_magic, strlen(luks_magic)) == 0)   /* ID matches, continue */

There's no point in doing this check, since it's replicating a check
already done in the generic code.  The probe function won't be called
if the bim_magic didn't match the specified offset. 

						- Ted
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