linux/fs/notify/fsnotify.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __FS_NOTIFY_FSNOTIFY_H_
#define __FS_NOTIFY_FSNOTIFY_H_

#include <linux/list.h>
#include <linux/fsnotify.h>
#include <linux/srcu.h>
#include <linux/types.h>

#include "../mount.h"

/*
 * fsnotify_connp_t is what we embed in objects which connector can be attached
 * to.
 */
fsnotify_connp_t;

static inline struct inode *fsnotify_conn_inode(
				struct fsnotify_mark_connector *conn)
{ … }

static inline struct mount *fsnotify_conn_mount(
				struct fsnotify_mark_connector *conn)
{ … }

static inline struct super_block *fsnotify_conn_sb(
				struct fsnotify_mark_connector *conn)
{ … }

static inline struct super_block *fsnotify_object_sb(void *obj,
			enum fsnotify_obj_type obj_type)
{ … }

static inline struct super_block *fsnotify_connector_sb(
				struct fsnotify_mark_connector *conn)
{ … }

static inline fsnotify_connp_t *fsnotify_sb_marks(struct super_block *sb)
{ … }

/* destroy all events sitting in this groups notification queue */
extern void fsnotify_flush_notify(struct fsnotify_group *group);

/* protects reads of inode and vfsmount marks list */
extern struct srcu_struct fsnotify_mark_srcu;

/* compare two groups for sorting of marks lists */
extern int fsnotify_compare_groups(struct fsnotify_group *a,
				   struct fsnotify_group *b);

/* Destroy all marks attached to an object via connector */
extern void fsnotify_destroy_marks(fsnotify_connp_t *connp);
/* run the list of all marks associated with inode and destroy them */
static inline void fsnotify_clear_marks_by_inode(struct inode *inode)
{ … }
/* run the list of all marks associated with vfsmount and destroy them */
static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt)
{ … }
/* run the list of all marks associated with sb and destroy them */
static inline void fsnotify_clear_marks_by_sb(struct super_block *sb)
{ … }

/*
 * update the dentry->d_flags of all of inode's children to indicate if inode cares
 * about events that happen to its children.
 */
extern void fsnotify_set_children_dentry_flags(struct inode *inode);

extern struct kmem_cache *fsnotify_mark_connector_cachep;

#endif	/* __FS_NOTIFY_FSNOTIFY_H_ */