diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index f976949d2634..569ec356e4ce 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -623,6 +623,44 @@ int fsnotify(__u32 mask, const void *data, int data_type, struct inode *dir,
 }
 EXPORT_SYMBOL_GPL(fsnotify);
 
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+/*
+ * At open time we check fsnotify_sb_has_priority_watchers() and set the
+ * FMODE_NONOTIFY_ mode bits accordignly.
+ * Later, fsnotify permission hooks do not check if there are permission event
+ * watches, but that there were permission event watches at open time.
+ */
+void file_set_fsnotify_mode(struct file *file)
+{
+	struct super_block *sb = file->f_path.dentry->d_sb;
+
+	/* Is it a file opened by fanotify? */
+	if (FMODE_FSNOTIFY_NONE(file->f_mode))
+		return;
+
+	/*
+	 * Permission events is a super set of pre-content events, so if there
+	 * are no permission event watchers, there are also no pre-content event
+	 * watchers and this is implied from the single FMODE_NONOTIFY_PERM bit.
+	 */
+	if (likely(!fsnotify_sb_has_priority_watchers(sb,
+						FSNOTIFY_PRIO_CONTENT))) {
+		file->f_mode |= FMODE_NONOTIFY_PERM;
+		return;
+	}
+
+	/*
+	 * If there are permission event watchers but no pre-content event
+	 * watchers, set FMODE_NONOTIFY | FMODE_NONOTIFY_PERM to indicate that.
+	 */
+	if (likely(!fsnotify_sb_has_priority_watchers(sb,
+						FSNOTIFY_PRIO_PRE_CONTENT))) {
+		file->f_mode |= FMODE_NONOTIFY | FMODE_NONOTIFY_PERM;
+		return;
+	}
+}
+#endif
+
 static __init int fsnotify_init(void)
 {
 	int ret;
diff --git a/fs/open.c b/fs/open.c
index 480c3798da2a..9b1fa59d52bf 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -918,7 +918,7 @@ static int do_dentry_open(struct file *f,
 	f->f_sb_err = file_sample_sb_err(f);
 
 	if (unlikely(f->f_flags & O_PATH)) {
-		f->f_mode = FMODE_PATH | FMODE_OPENED;
+		f->f_mode = FMODE_PATH | FMODE_OPENED | FMODE_NONOTIFY;
 		f->f_op = &empty_fops;
 		return 0;
 	}
@@ -946,6 +946,12 @@ static int do_dentry_open(struct file *f,
 	if (error)
 		goto cleanup_all;
 
+	/*
+	 * Set FMODE_NONOTIFY_* bits according to existing permission watches.
+	 * If FMODE_NONOTIFY was already set for an fanotify fd, this doesn't
+	 * change anything.
+	 */
+	file_set_fsnotify_mode(f);
 	error = fsnotify_open_perm(f);
 	if (error)
 		goto cleanup_all;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 24598d707578..6a170c2c5326 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -171,13 +171,20 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
 
 #define	FMODE_NOREUSE		((__force fmode_t)(1 << 23))
 
-/* FMODE_* bit 24 */
-
 /* File is embedded in backing_file object */
-#define FMODE_BACKING		((__force fmode_t)(1 << 25))
+#define FMODE_BACKING		((__force fmode_t)(1 << 24))
+
+/*
+ * Together with FMODE_NONOTIFY_PERM defines which fsnotify events shouldn't be
+ * generated (see below)
+ */
+#define FMODE_NONOTIFY		((__force fmode_t)(1 << 25))
 
-/* File was opened by fanotify and shouldn't generate fanotify events */
-#define FMODE_NONOTIFY		((__force fmode_t)(1 << 26))
+/*
+ * Together with FMODE_NONOTIFY defines which fsnotify events shouldn't be
+ * generated (see below)
+ */
+#define FMODE_NONOTIFY_PERM	((__force fmode_t)(1 << 26))
 
 /* File is capable of returning -EAGAIN if I/O will block */
 #define FMODE_NOWAIT		((__force fmode_t)(1 << 27))
@@ -188,6 +195,26 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
 /* File does not contribute to nr_files count */
 #define FMODE_NOACCOUNT		((__force fmode_t)(1 << 29))
 
+/*
+ * The two FMODE_NONOTIFY* define which fsnotify events should not be generated
+ * for a file. These are the possible values of (f->f_mode &
+ * FMODE_FSNOTIFY_MASK) and their meaning:
+ *
+ * FMODE_NONOTIFY - suppress all (incl. non-permission) events.
+ * FMODE_NONOTIFY_PERM - suppress permission (incl. pre-content) events.
+ * FMODE_NONOTIFY | FMODE_NONOTIFY_PERM - suppress only pre-content events.
+ */
+#define FMODE_FSNOTIFY_MASK \
+	(FMODE_NONOTIFY | FMODE_NONOTIFY_PERM)
+
+#define FMODE_FSNOTIFY_NONE(mode) \
+	((mode & FMODE_FSNOTIFY_MASK) == FMODE_NONOTIFY)
+#define FMODE_FSNOTIFY_PERM(mode) \
+	((mode & FMODE_FSNOTIFY_MASK) == 0 || \
+	 (mode & FMODE_FSNOTIFY_MASK) == (FMODE_NONOTIFY | FMODE_NONOTIFY_PERM))
+#define FMODE_FSNOTIFY_HSM(mode) \
+	((mode & FMODE_FSNOTIFY_MASK) == 0)
+
 /*
  * Attribute flags.  These should be or-ed together to figure out what
  * has been changed!
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 278620e063ab..8d1849137a96 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -108,38 +108,35 @@ static inline void fsnotify_dentry(struct dentry *dentry, __u32 mask)
 	fsnotify_parent(dentry, mask, dentry, FSNOTIFY_EVENT_DENTRY);
 }
 
-static inline int fsnotify_file(struct file *file, __u32 mask)
+static inline int fsnotify_path(const struct path *path, __u32 mask)
 {
-	const struct path *path;
+	return fsnotify_parent(path->dentry, mask, path, FSNOTIFY_EVENT_PATH);
+}
 
+static inline int fsnotify_file(struct file *file, __u32 mask)
+{
 	/*
 	 * FMODE_NONOTIFY are fds generated by fanotify itself which should not
 	 * generate new events. We also don't want to generate events for
 	 * FMODE_PATH fds (involves open & close events) as they are just
 	 * handle creation / destruction events and not "real" file events.
 	 */
-	if (file->f_mode & (FMODE_NONOTIFY | FMODE_PATH))
+	if (FMODE_FSNOTIFY_NONE(file->f_mode))
 		return 0;
 
-	path = &file->f_path;
-	/* Permission events require group prio >= FSNOTIFY_PRIO_CONTENT */
-	if (mask & ALL_FSNOTIFY_PERM_EVENTS &&
-	    !fsnotify_sb_has_priority_watchers(path->dentry->d_sb,
-					       FSNOTIFY_PRIO_CONTENT))
-		return 0;
-
-	return fsnotify_parent(path->dentry, mask, path, FSNOTIFY_EVENT_PATH);
+	return fsnotify_path(&file->f_path, mask);
 }
 
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+
+void file_set_fsnotify_mode(struct file *file);
+
 /*
  * fsnotify_file_area_perm - permission hook before access to file range
  */
 static inline int fsnotify_file_area_perm(struct file *file, int perm_mask,
 					  const loff_t *ppos, size_t count)
 {
-	__u32 fsnotify_mask = FS_ACCESS_PERM;
-
 	/*
 	 * filesystem may be modified in the context of permission events
 	 * (e.g. by HSM filling a file on access), so sb freeze protection
@@ -150,7 +147,10 @@ static inline int fsnotify_file_area_perm(struct file *file, int perm_mask,
 	if (!(perm_mask & MAY_READ))
 		return 0;
 
-	return fsnotify_file(file, fsnotify_mask);
+	if (likely(!FMODE_FSNOTIFY_PERM(file->f_mode)))
+		return 0;
+
+	return fsnotify_path(&file->f_path, FS_ACCESS_PERM);
 }
 
 /*
@@ -168,16 +168,23 @@ static inline int fsnotify_open_perm(struct file *file)
 {
 	int ret;
 
+	if (likely(!FMODE_FSNOTIFY_PERM(file->f_mode)))
+		return 0;
+
 	if (file->f_flags & __FMODE_EXEC) {
-		ret = fsnotify_file(file, FS_OPEN_EXEC_PERM);
+		ret = fsnotify_path(&file->f_path, FS_OPEN_EXEC_PERM);
 		if (ret)
 			return ret;
 	}
 
-	return fsnotify_file(file, FS_OPEN_PERM);
+	return fsnotify_path(&file->f_path, FS_OPEN_PERM);
 }
 
 #else
+static inline void file_set_fsnotify_mode(struct file *file)
+{
+}
+
 static inline int fsnotify_file_area_perm(struct file *file, int perm_mask,
 					  const loff_t *ppos, size_t count)
 {
