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

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On Tue, 2024-06-25 at 21:24 +0800, Xi Ruoyao wrote:
> On Tue, 2024-06-25 at 13:00 +0200, Mateusz Guzik wrote:
> > +	if (flags == AT_EMPTY_PATH && vfs_empty_path(dfd, filename))
> 
> Could it be
> 
> if ((flags & AT_EMPTY_PATH) && vfs_empty_path(dfd, filename))
> 
> instead?
> 
> When fstatat is implemented with statx AT_NO_AUTOMOUNT is needed, or at
> least Glibc developers think it's needed:

/* snip */

> I was just surprised when I saw a 100%+ improve for statx("",
> AT_EMPTY_PATH) but not stat on the Loongson machine.
                         ^^^^ fstat

I cannot type :(


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





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