Re: [PATCH 2/2] vfs: support statx(..., NULL, AT_EMPTY_PATH, ...)

[Xi Ruoyao]

On Wed, 2024-07-03 at 10:54 -0700, Linus Torvalds wrote:
> On Wed, 3 Jul 2024 at 10:40, Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> > 
> > Oh wow. Shows just *how* long ago that was - and how long ago I
> > looked
> > at 32-bit code. Because clearly, I was wrong.
> 
> Ok, so clearly any *new* 32-bit architecture should use 'struct statx'
> as 'struct stat', and at least avoid the conversion pain.
> 
> Of course, if using <asm-generic/stat.h> like loongarch does, that is
> very much not what happens. You get those old models with just 'long'.

Fortunately LoongArch ILP32 ABI is not finalized yet (there's no 32-bit
kernel and 64-bit kernel does not support 32-bit userspace yet) so we
can still make it happen to use struct statx as (userspace) struct
stat...


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