fscrypt_inode_info_addr
if (cmpxchg_release(fscrypt_inode_info_addr(inode), NULL, crypt_info) ==
struct fscrypt_inode_info **ci_addr = fscrypt_inode_info_addr(inode);
struct fscrypt_inode_info *ci = *fscrypt_inode_info_addr(inode);
return smp_load_acquire(fscrypt_inode_info_addr(inode));