Re: [PATCH v2] vfs: Shortcut AT_EMPTY_PATH early for statx, and add AT_NO_PATH for statx and fstatat

[Xi Ruoyao]

On Tue, 2024-06-25 at 10:50 +0200, Christian Brauner wrote:
> No, let's not waste AT_* flag space in fear of some hypothetical
> breakage. Let's try it cleanly first and make AT_EMPTY_PATH work with
> NULL paths.
> 
> Note, I started working on this (checks ...) 30th April but then some
> other work came up and I never got back to it (Sorry, Linus). I pushed
> the branch to #vfs.empty.path now. The top three commits was what I had
> started doing.
> 
> It was based on a new vfs_empty_path() helper so we could reuse it for
> other system calls as well.

If I understand correctly, I should submit a patch against
vfs.empty.path making statx(fd, NULL, AT_EMPTY_PATH) work then?

-- 
Xi Ruoyao <xry111@xxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University