FI_ALLOCATED
if ((inode->flags & FI_ALLOCATED) == 0) {
inode->flags |= FI_ALLOCATED;
if ((cur->inode->flags & FI_ALLOCATED) == 0) {
cur->inode->flags |= FI_ALLOCATED;
if ((cur->inode->flags & FI_ALLOCATED) == 0) {
cur->inode->flags |= FI_ALLOCATED;