From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- fs/notify/fsnotify.h | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 fs/notify/fsnotify.h (limited to 'fs/notify/fsnotify.h') diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h new file mode 100644 index 000000000..ff2063ec6 --- /dev/null +++ b/fs/notify/fsnotify.h @@ -0,0 +1,70 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __FS_NOTIFY_FSNOTIFY_H_ +#define __FS_NOTIFY_FSNOTIFY_H_ + +#include +#include +#include +#include + +#include "../mount.h" + +static inline struct inode *fsnotify_conn_inode( + struct fsnotify_mark_connector *conn) +{ + return container_of(conn->obj, struct inode, i_fsnotify_marks); +} + +static inline struct mount *fsnotify_conn_mount( + struct fsnotify_mark_connector *conn) +{ + return container_of(conn->obj, struct mount, mnt_fsnotify_marks); +} + +static inline struct super_block *fsnotify_conn_sb( + struct fsnotify_mark_connector *conn) +{ + return container_of(conn->obj, struct super_block, s_fsnotify_marks); +} + +/* 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) +{ + fsnotify_destroy_marks(&inode->i_fsnotify_marks); +} +/* run the list of all marks associated with vfsmount and destroy them */ +static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt) +{ + fsnotify_destroy_marks(&real_mount(mnt)->mnt_fsnotify_marks); +} +/* run the list of all marks associated with sb and destroy them */ +static inline void fsnotify_clear_marks_by_sb(struct super_block *sb) +{ + fsnotify_destroy_marks(&sb->s_fsnotify_marks); +} + +/* + * 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_update_child_dentry_flags(struct inode *inode); + +/* allocate and destroy and event holder to attach events to notification/access queues */ +extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void); +extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder); + +extern struct kmem_cache *fsnotify_mark_connector_cachep; + +#endif /* __FS_NOTIFY_FSNOTIFY_H_ */ -- cgit v1.2.3