// SPDX-License-Identifier: GPL-2.0 #include <linux/fs.h> #include <linux/sched.h> #include <linux/slab.h> #include "internal.h" #include "mount.h" static DEFINE_SPINLOCK(pin_lock); void pin_remove(struct fs_pin *pin) { … } void pin_insert(struct fs_pin *pin, struct vfsmount *m) { … } void pin_kill(struct fs_pin *p) { … } void mnt_pin_kill(struct mount *m) { … } void group_pin_kill(struct hlist_head *p) { … }