Merge tag 'fsnotify_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify updates from Jan Kara:

 - fanotify improvements for pidfd reporting

 - small cleanup in fanotify_error_event_equal

* tag 'fsnotify_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fanotify: allow reporting pidfds for reaped tasks
  fanotify: report thread pidfds for FAN_REPORT_TID
  fanotify: simplify fanotify_error_event_equal

1 files changed, 17 insertions, 1 deletions

diff --git a/include/linux/pidfs.h b/include/linux/pidfs.h
index 416bdff4d6ce..0abf7da9ab23 100644
--- a/include/linux/pidfs.h
+++ b/include/linux/pidfs.h
@@ -2,6 +2,8 @@
 #ifndef _LINUX_PID_FS_H
 #define _LINUX_PID_FS_H
 
+#include <linux/gfp_types.h>
+
 struct coredump_params;
 
 struct file *pidfs_alloc_file(struct pid *pid, unsigned int flags);
@@ -14,7 +16,21 @@ void pidfs_exit(struct task_struct *tsk);
 void pidfs_coredump(const struct coredump_params *cprm);
 #endif
 extern const struct dentry_operations pidfs_dentry_operations;
-int pidfs_register_pid(struct pid *pid);
+int pidfs_register_pid_gfp(struct pid *pid, gfp_t gfp);
+
+/**
+ * pidfs_register_pid - register a struct pid in pidfs
+ * @pid: pid to pin
+ *
+ * Register a struct pid in pidfs.
+ *
+ * Return: On success zero, on error a negative error code is returned.
+ */
+static inline int pidfs_register_pid(struct pid *pid)
+{
+	return pidfs_register_pid_gfp(pid, GFP_KERNEL);
+}
+
 void pidfs_free_pid(struct pid *pid);
 
 #endif /* _LINUX_PID_FS_H */