Re: [patch 6/15] larger b_size, and misc fixlets

[Andrew Morton <akpm@zip.com.au>]

Andreas Dilger wrote:
> 
> On May 19, 2002  12:39 -0700, Andrew Morton wrote:
> > - make the printk in buffer_io_error() sector_t-aware.
> > =====================================
> > --- 2.5.16/fs/buffer.c~sector_t-printing      Sun May 19 11:49:47 2002
> > +++ 2.5.16-akpm/fs/buffer.c   Sun May 19 12:02:57 2002
> > @@ -179,8 +179,8 @@ __clear_page_buffers(struct page *page)
> >
> >  static void buffer_io_error(struct buffer_head *bh)
> >  {
> > -     printk(KERN_ERR "Buffer I/O error on device %s, logical block %ld\n",
> > -                     bdevname(bh->b_bdev), bh->b_blocknr);
> > +     printk(KERN_ERR "Buffer I/O error on device %s, logical block %Ld\n",
> > +                     bdevname(bh->b_bdev), (u64)bh->b_blocknr);
> >  }
> 
> Not that I'm a 64-bit system user/developer, but it is my understanding
> that u64 == long on a 64-bit platform, so your cast to u64 does not
> actually change the type of b_blocknr as far as printk is concerned.
> You would need to cast it to unsigned long long instead.
> 

Yes, I suppose so.  That more closely matches what "%L" does.

-