#define WANT_INDEX 0x8
#define WANT_ERROR 0x10
+/* Define a fixed 4096-byte encryption unit size */
+#define LUSTRE_ENCRYPTION_BLOCKBITS 12
+#define LUSTRE_ENCRYPTION_UNIT_SIZE ((size_t)1 << LUSTRE_ENCRYPTION_BLOCKBITS)
+#define LUSTRE_ENCRYPTION_MASK (~(LUSTRE_ENCRYPTION_UNIT_SIZE - 1))
+
/* mount point listings in /proc/mounts */
#ifndef PROC_MOUNTS
#define PROC_MOUNTS "/proc/mounts"