Question: Why is there no notification when a file is opened using filp_open()?
From: Xiaoming Ni
Date: Tue Sep 08 2020 - 04:04:22 EST
The file opening action on the system may be from user-mode sys_open()
or kernel-mode filp_open().
Currently, fsnotify_open() is invoked in do_sys_openat2().
But filp_open() is not notified. Why? Is this an omission?
Do we need to call fsnotify_open() in filp_open() or do_filp_open() to
ensure that both user-mode and kernel-mode file opening operations can
be notified?
Thanks
Xiaoming Ni