Providing device number and inode number information in VFS probes

[Frank Ch. Eigler]

"K.Prasad" <prasad@linux.vnet.ibm.com> writes:

> Hi All,
> 	Please find a small patch below that adds device number and
> inode number information in many VFS related probes (basically wherever
> a file pointer is available).
> [...]

Very good.  Would you mind also updating the doc/tutorial.tex file's
vfs example to use the tapset and these variables?  Unfortunately, we
lack formal documentation for the tapset in man pages, so there is
nowhere else immediately ready to receive a few more lines.

- FChE