Re: [PATCH 17/23] initramfs: switch initramfs unpacking to struct file based APIs

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On Tue, Jul 14, 2020 at 12:31:01PM -0700, Linus Torvalds wrote:
> That "vcollected" is ugly and broken, and seems oh-so-wrong.
> 
> Because it's only use is:
> 
> 
> > -               ksys_close(wfd);
> > +               fput(wfile);
> >                 do_utime(vcollected, mtime);
> >                 kfree(vcollected);
> 
> which should just have done the exact same thing that you did with
> vfs_chown() and friends: we already have a "utimes_common()" that
> takes a path, and it could have been made into "vfs_utimes()", and
> then this whole vcollected confusion would go away and be replaced by
> 
>         vfs_truncate(&wfile->f_path, mtime);
> 
> (ok, with all the "timespec64 t[2]" things going on that do_utime()
> does now, but you get the idea).
> 
> Talk about de-crufting that initramfs unpacking..
> 
> But I don't hate this patch, I'm just pointing out that there's room
> for improvement.

I'll send another series to clean this up.  I had a few utimes related
patch in a later series and this fits in pretty well with those.



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