send_sigio       1007 fs/fcntl.c     				send_sigio(fown, fa->fa_fd, band);
send_sigio        103 fs/notify/dnotify/dnotify.c 		send_sigio(fown, dn->dn_fd, POLL_MSG);
send_sigio       1132 include/linux/fs.h extern void send_sigio(struct fown_struct *fown, int fd, int band);