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Support topology information for data alignment (LUKS).

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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@195 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2010-04-09 15:35:19 +00:00
parent 7d207b7725
commit 743fbbc451
7 changed files with 150 additions and 2 deletions
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11
lib/setup.c
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@@ -1092,16 +1092,25 @@ static int _crypt_format_luks1(struct crypt_device *cd,
struct crypt_params_luks1 *params)
{
int r;
unsigned long required_alignment = DEFAULT_ALIGNMENT;
unsigned long alignment_offset = 0;
if (!cd->device) {
log_err(cd, _("Can't format LUKS without device.\n"));
return -EINVAL;
}
if (params && params->data_alignment)
required_alignment = params->data_alignment * SECTOR_SIZE;
else
get_topology_alignment(cd->device, &required_alignment,
&alignment_offset, DEFAULT_ALIGNMENT);
r = LUKS_generate_phdr(&cd->hdr, cd->volume_key, cipher, cipher_mode,
(params && params->hash) ? params->hash : "sha1",
uuid, LUKS_STRIPES,
params ? params->data_alignment: DEFAULT_ALIGNMENT,
required_alignment / SECTOR_SIZE,
alignment_offset / SECTOR_SIZE,
cd->iteration_time, &cd->PBKDF2_per_sec, cd);
if(r < 0)
return r;