[mirror_ubuntu-bionic-kernel.git] / include / linux / fs_pin.h

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/wait.h>

struct fs_pin {
	wait_queue_head_t	wait;
	int			done;
	struct hlist_node	s_list;
	struct hlist_node	m_list;
	void (*kill)(struct fs_pin *);
};

struct vfsmount;

static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *))
{
	init_waitqueue_head(&p->wait);
	INIT_HLIST_NODE(&p->s_list);
	INIT_HLIST_NODE(&p->m_list);
	p->kill = kill;
}

void pin_remove(struct fs_pin *);
void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *);
void pin_insert(struct fs_pin *, struct vfsmount *);
void pin_kill(struct fs_pin *);
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
59eda0e0	2	#include <linux/wait.h>
efb170c2 AV	3
efb170c2 AV	4	struct fs_pin {
59eda0e0 AV	5	wait_queue_head_t wait;
59eda0e0 AV	6	int done;
34cece2e AV	7	struct hlist_node s_list;
34cece2e AV	8	struct hlist_node m_list;
efb170c2 AV	9	void (kill)(struct fs_pin );
	10	};
	11
59eda0e0 AV	12	struct vfsmount;
	13
	14	static inline void init_fs_pin(struct fs_pin p, void (kill)(struct fs_pin *))
	15	{
	16	init_waitqueue_head(&p->wait);
820f9f14 EB	17	INIT_HLIST_NODE(&p->s_list);
820f9f14 EB	18	INIT_HLIST_NODE(&p->m_list);
59eda0e0 AV	19	p->kill = kill;
	20	}
	21
efb170c2	22	void pin_remove(struct fs_pin *);
fdab684d	23	void pin_insert_group(struct fs_pin , struct vfsmount , struct hlist_head *);
efb170c2	24	void pin_insert(struct fs_pin , struct vfsmount );
59eda0e0	25	void pin_kill(struct fs_pin *);