1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 290586523SEric Paris #ifndef __FS_NOTIFY_FSNOTIFY_H_ 390586523SEric Paris #define __FS_NOTIFY_FSNOTIFY_H_ 490586523SEric Paris 590586523SEric Paris #include <linux/list.h> 690586523SEric Paris #include <linux/fsnotify.h> 790586523SEric Paris #include <linux/srcu.h> 890586523SEric Paris #include <linux/types.h> 990586523SEric Paris 10925d1132SJan Kara #include "../mount.h" 11925d1132SJan Kara 12a2d8bc6cSEric Paris /* destroy all events sitting in this groups notification queue */ 13a2d8bc6cSEric Paris extern void fsnotify_flush_notify(struct fsnotify_group *group); 14a2d8bc6cSEric Paris 1575c1be48SEric Paris /* protects reads of inode and vfsmount marks list */ 1675c1be48SEric Paris extern struct srcu_struct fsnotify_mark_srcu; 1775c1be48SEric Paris 188edc6e16SJan Kara /* compare two groups for sorting of marks lists */ 198edc6e16SJan Kara extern int fsnotify_compare_groups(struct fsnotify_group *a, 208edc6e16SJan Kara struct fsnotify_group *b); 218edc6e16SJan Kara 22*9b6e5434SAmir Goldstein /* Destroy all marks attached to an object via connector */ 23*9b6e5434SAmir Goldstein extern void fsnotify_destroy_marks(fsnotify_connp_t *connp); 24925d1132SJan Kara /* run the list of all marks associated with inode and destroy them */ 25925d1132SJan Kara static inline void fsnotify_clear_marks_by_inode(struct inode *inode) 26925d1132SJan Kara { 2708991e83SJan Kara fsnotify_destroy_marks(&inode->i_fsnotify_marks); 28925d1132SJan Kara } 29925d1132SJan Kara /* run the list of all marks associated with vfsmount and destroy them */ 30925d1132SJan Kara static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt) 31925d1132SJan Kara { 3208991e83SJan Kara fsnotify_destroy_marks(&real_mount(mnt)->mnt_fsnotify_marks); 33925d1132SJan Kara } 34f09b04a0SJan Kara /* Wait until all marks queued for destruction are destroyed */ 35f09b04a0SJan Kara extern void fsnotify_wait_marks_destroyed(void); 3635e48176SJan Kara 37c28f7e56SEric Paris /* 38c28f7e56SEric Paris * update the dentry->d_flags of all of inode's children to indicate if inode cares 39c28f7e56SEric Paris * about events that happen to its children. 40c28f7e56SEric Paris */ 41c28f7e56SEric Paris extern void __fsnotify_update_child_dentry_flags(struct inode *inode); 42a2d8bc6cSEric Paris 43a2d8bc6cSEric Paris /* allocate and destroy and event holder to attach events to notification/access queues */ 44a2d8bc6cSEric Paris extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void); 45a2d8bc6cSEric Paris extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder); 46a2d8bc6cSEric Paris 4790586523SEric Paris #endif /* __FS_NOTIFY_FSNOTIFY_H_ */ 48