On Mon, 24 Jul 2006, Kylene Jo Hall wrote:
> + * @verify_data:
> + * Verify the integrity of a dentry.
> + * @dentry contains the dentry structure to be verified.
> + * Possible return codes are: INTEGRITY_PASS, INTEGRITY_FAIL,
> + * INTEGRITY_NOLABEL
> + *
> + * @verify_metadata:
> + * Verify the integrity of a dentry's metadata; return the value
> + * of the requested xattr_name and the verification result of the
> + * dentry's metadata.
> + * @dentry contains the dentry structure of the metadata to be verified.
> + * @xattr_name, if not null, contains the name of the xattr
> + * being requested.
> + * @xattr_value, if not null, is a pointer for the xattr value.
> + * @xattr_val_len will be set to the length of the xattr value.
> + * @xattr_status is the result of the getxattr request for the xattr.
> + * Possible return codes are: INTEGRITY_PASS, INTEGRITY_FAIL,
> + * INTEGRITY_NOLABEL, -EOPNOTSUPP, -ENOMEM,
What I would suggest with these API calls is that they always only return
errno values, and that you pass back the INTEGRITY_ values via a pointer.
This ensures that errno values are cleanly propagated throughout the
kernel and that 'system' errors are separated from higher level integrity
service status values.
--
James Morris
<[email protected]>
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