linux-kernel - Re: C/R review

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Date:	Wed, 18 Mar 2009 10:53:34 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	orenl@...columbia.edu, xemul@...allels.com,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, hch@...radead.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	mingo@...e.hu
Subject: Re: C/R review

On Wed, 2009-03-18 at 00:01 +0300, Alexey Dobriyan wrote:
> > +static inline loff_t file_pos_read(struct file *file)
> > +{
> > +     return file->f_pos;
> > +}
> > +
> > +static inline void file_pos_write(struct file *file, loff_t pos)
> > +{
> > +     file->f_pos = pos;
> > +}
> 
> I failed myself to understand need for this wrappers at all.
> 
> If dump is single-threaded, who is going to change f_pos under you?
> 
> I'm passing &file->f_pos to vfs_write().

/me git-blames...

They're already in the kernel and they've been there since the beginning
of git as far as I can see.  I think Oren was just trying to use what is
there already, so he moved them to a header.

-- Dave

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