Re: [Xen-devel] [PATCH][TOOLS] libfsimage: make pygrub work on ufs

[John Levon <levon@xxxxxxxxxxxxxxxxx>]

On Tue, Jun 10, 2008 at 10:24:56AM +0200, Christoph Egger wrote:

> > > @@ -32,8 +32,9 @@
> > >  #define SUPERBLOCK ((struct fs *)(FSYS_BUF + 0x2000))
> > >  #define  INODE ((struct icommon *)(FSYS_BUF + 0x1000))
> > >  #define DIRENT (FSYS_BUF + 0x4000)
> > > +#define MAXBSIZE ((FSYS_BUFLEN - 0x4000) / 2)
> > >  #define INDIRBLK1 ((grub_daddr32_t *)(FSYS_BUF + 0x4000)) /* 2+ indirblk 
> */ 
> > >  -#define INDIRBLK0 ((grub_daddr32_t *)(FSYS_BUF+ 0x6000))  /* 1st 
> indirect blk */
> > > +#define  INDIRBLK0 ((grub_daddr32_t *)(FSYS_BUF+ 0x4000 + MAXBSIZE))  /* 
> 1st indirect blk */
> >
> > This is a no-op, right?
> 
> No, FSYS_BUFLEN is used now which wasn't before.

Ooops, I mis-read the value of FSYS_BUFLEN. So you need this because
indirect blocks don't fit in the original space available?

regards
john

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