1003 	struct fasync_struct *fa, **fp;  in fasync_remove_entry()  local
1008 	for (fp = fapp; (fa = *fp) != NULL; fp = &fa->fa_next) {  in fasync_remove_entry()
1009 		if (fa->fa_file != filp)  in fasync_remove_entry()
1012 		write_lock_irq(&fa->fa_lock);  in fasync_remove_entry()
1013 		fa->fa_file = NULL;  in fasync_remove_entry()
1014 		write_unlock_irq(&fa->fa_lock);  in fasync_remove_entry()
1016 		*fp = fa->fa_next;  in fasync_remove_entry()
1017 		kfree_rcu(fa, fa_rcu);  in fasync_remove_entry()
1051         struct fasync_struct *fa, **fp;  in fasync_insert_entry()  local
1055 	for (fp = fapp; (fa = *fp) != NULL; fp = &fa->fa_next) {  in fasync_insert_entry()
1056 		if (fa->fa_file != filp)  in fasync_insert_entry()
1059 		write_lock_irq(&fa->fa_lock);  in fasync_insert_entry()
1060 		fa->fa_fd = fd;  in fasync_insert_entry()
1061 		write_unlock_irq(&fa->fa_lock);  in fasync_insert_entry()
1076 	return fa;  in fasync_insert_entry()
1124 static void kill_fasync_rcu(struct fasync_struct *fa, int sig, int band)  in kill_fasync_rcu()  argument
1126 	while (fa) {  in kill_fasync_rcu()
1130 		if (fa->magic != FASYNC_MAGIC) {  in kill_fasync_rcu()
1135 		read_lock_irqsave(&fa->fa_lock, flags);  in kill_fasync_rcu()
1136 		if (fa->fa_file) {  in kill_fasync_rcu()
1137 			fown = file_f_owner(fa->fa_file);  in kill_fasync_rcu()
1144 				send_sigio(fown, fa->fa_fd, band);  in kill_fasync_rcu()
1147 		read_unlock_irqrestore(&fa->fa_lock, flags);  in kill_fasync_rcu()
1148 		fa = rcu_dereference(fa->fa_next);  in kill_fasync_rcu()