Re: [PATCH] VFS: make file->f_pos access atomic on 32bit arch

[Nick Piggin]

On Tuesday 16 September 2008 21:11, Michael Trimarchi wrote:
> Hi,
>
> > +        if (offset != file_pos_read(file))
> > +            file_pos_write(file, offset);
> >         retval = offset;
> >     }
>
> Is not more efficient here a compare xchg operation?

The compiler should do it if it was.
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