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Create optional reduced dm-integrity device.

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This enables creating dm-integrity devices that
does not use all available space but only initial
part of the device.

This will be used with future hw-opal-crypt segment
where partion may be not aligned to locking range
alignment and needs to be reduced.

We dont't want to span dm-integrity device into
area not included in opal locking range.
This commit is contained in:
Ondrej Kozina
2023-05-30 11:46:20 +02:00
committed by Milan Broz
parent e13840c5cb
commit 10847d7100
3 changed files with 102 additions and 24 deletions
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4
lib/setup.c
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@@ -2094,7 +2094,7 @@ static int _crypt_format_luks2(struct crypt_device *cd,
goto out;
}
r = INTEGRITY_format(cd, params ? params->integrity_params : NULL, NULL, NULL);
r = INTEGRITY_format(cd, params ? params->integrity_params : NULL, NULL, NULL, 0);
if (r)
log_err(cd, _("Cannot format integrity for device %s."),
data_device_path(cd));
@@ -2423,7 +2423,7 @@ static int _crypt_format_integrity(struct crypt_device *cd,
cd->u.integrity.params.journal_integrity = journal_integrity;
cd->u.integrity.params.journal_crypt = journal_crypt;
r = INTEGRITY_format(cd, params, cd->u.integrity.journal_crypt_key, cd->u.integrity.journal_mac_key);
r = INTEGRITY_format(cd, params, cd->u.integrity.journal_crypt_key, cd->u.integrity.journal_mac_key, 0);
if (r)
log_err(cd, _("Cannot format integrity for device %s."),
mdata_device_path(cd));