ECRYPTFS_MIN_PKT_LEN_SIZE 168 fs/ecryptfs/ecryptfs_kernel.h #define ECRYPTFS_TAG_70_MIN_METADATA_SIZE (1 + ECRYPTFS_MIN_PKT_LEN_SIZE \ ECRYPTFS_MIN_PKT_LEN_SIZE 187 fs/ecryptfs/miscdev.c + ECRYPTFS_MIN_PKT_LEN_SIZE)