Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __FS_NOTIFY_FSNOTIFY_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __FS_NOTIFY_FSNOTIFY_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/fsnotify.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/srcu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "../mount.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static inline struct inode *fsnotify_conn_inode(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 				struct fsnotify_mark_connector *conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	return container_of(conn->obj, struct inode, i_fsnotify_marks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static inline struct mount *fsnotify_conn_mount(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 				struct fsnotify_mark_connector *conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	return container_of(conn->obj, struct mount, mnt_fsnotify_marks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static inline struct super_block *fsnotify_conn_sb(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 				struct fsnotify_mark_connector *conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	return container_of(conn->obj, struct super_block, s_fsnotify_marks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* destroy all events sitting in this groups notification queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) extern void fsnotify_flush_notify(struct fsnotify_group *group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* protects reads of inode and vfsmount marks list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) extern struct srcu_struct fsnotify_mark_srcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* compare two groups for sorting of marks lists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) extern int fsnotify_compare_groups(struct fsnotify_group *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 				   struct fsnotify_group *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* Destroy all marks attached to an object via connector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) extern void fsnotify_destroy_marks(fsnotify_connp_t *connp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* run the list of all marks associated with inode and destroy them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static inline void fsnotify_clear_marks_by_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	fsnotify_destroy_marks(&inode->i_fsnotify_marks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* run the list of all marks associated with vfsmount and destroy them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	fsnotify_destroy_marks(&real_mount(mnt)->mnt_fsnotify_marks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* run the list of all marks associated with sb and destroy them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static inline void fsnotify_clear_marks_by_sb(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	fsnotify_destroy_marks(&sb->s_fsnotify_marks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)  * update the dentry->d_flags of all of inode's children to indicate if inode cares
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)  * about events that happen to its children.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* allocate and destroy and event holder to attach events to notification/access queues */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) extern struct kmem_cache *fsnotify_mark_connector_cachep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #endif	/* __FS_NOTIFY_FSNOTIFY_H_ */