Re: [patch 8/8] vfs: create file_remove_suid() helper

From: Miklos Szeredi
Date: Sun Jun 01 2008 - 16:45:45 EST


> > From: Miklos Szeredi <mszeredi@xxxxxxx>
> >
> > All calls to remove_suid() are made with a file pointer. This is not
> > accidental: similarly to file_update_time(), this function is called
> > when the file is written.
> >
> > So simplify callers by passing the file pointer instead of the dentry.
>
> It's not simplifying anything at all.

Yes it is, read the sentence carefully.

> You just move the pointer
> derefence down one step the callchain without any need.

Which means, that that pointer dereference will be done once instead
of in each caller, no? It's a gain (albeit a small one) is in code
cleanliness, and possibly in generated code size.

Miklos
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