inode->i_blocks = inode->i_blksize = 0;
memset(SYSV_I(inode)->i_data, 0, sizeof(SYSV_I(inode)->i_data));
SYSV_I(inode)->i_dir_start_lookup = 0;
inode->i_blocks = inode->i_blksize = 0;
memset(SYSV_I(inode)->i_data, 0, sizeof(SYSV_I(inode)->i_data));
SYSV_I(inode)->i_dir_start_lookup = 0;