lwmi_debugfs_create_dir(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ NAME ✨

okay so bestie, this is lwmi_debugfs_create_dir(9) from the Kernel API Manual, and it's literally the helper function for creating a debugfs directory for a device πŸŽ€βœ¨. That's the whole vibe: you got a device, you want a debugfs dir for it, this function is your girl.

πŸ¦‹ SYNOPSIS πŸ¦‹

struct dentry * lwmi_debugfs_create_dir (struct wmi_device *wdev );

Exact signature, no cap.

πŸ’… ARGUMENTS πŸ’…

  • wdev β€” pointer to the WMI device to be called πŸ‘‘. That's the device you're handing over.

🌸 DESCRIPTION 🌸

So here's the important part, bestie: the caller must remove the directory with debugfs_remove_recursive on device removal 😭. Like, don't just create it and ghost it β€” cleanup is mandatory, fr fr. This function makes the directory, but you own the teardown.

not me reminding you that debugfs_remove_recursive is the required cleanup on device removal πŸ’€ please don't skip it.

πŸ”₯ RETURN πŸ”₯

It returns a pointer to the created directory 🫢✨. That's it β€” pointer to the directory it just made.

🌈 SEE ALSO 🌈


kisses, this iconic page comes from source ./drivers/platform/x86/lenovo, dated October 2026, and it's serving lwmi_debugfs_create_dir(9) energy πŸ’–πŸŽ€πŸ’…

πŸ“¦ where this page comes from