taglinefilesource code
fa_next1151drivers/char/tty_io.cfor (fa = tty->fasync, prev = 0; fa; prev= fa, fa = fa->fa_next) {
fa_next1164drivers/char/tty_io.cfa->fa_next = tty->fasync;
fa_next1172drivers/char/tty_io.cprev->fa_next = fa->fa_next;
fa_next1174drivers/char/tty_io.ctty->fasync = fa->fa_next;
fa_next138fs/fcntl.cfa = fa->fa_next;
fa_next239include/linux/fs.hstruct fasync_struct  *fa_next; /* singly linked list */