ADDRS_PER_INODE
return bidx * ADDRS_PER_BLOCK(inode) + ADDRS_PER_INODE(inode);
from, ADDRS_PER_INODE(inode));
const long direct_index = ADDRS_PER_INODE(dn->inode);
const long direct_index = ADDRS_PER_INODE(inode);