The function si called fd_takeover, not fd_takeother.
int locked = fdtab[fd].running_mask != tid_bit;
/* We're just trying to protect against a concurrent fd_insert()
- * here, not against fd_takeother(), because either we're called
+ * here, not against fd_takeover(), because either we're called
* directly from the iocb(), and we're already locked, or we're
* called from the mux tasklet, but then the mux is responsible for
* making sure the tasklet does nothing, and the connection is never