syscalls/fstatfs02: Using temporary file description to test the syscall

It is not expected to use stdout as the file description to test the
system call fstatfs().Using ltp temporary file instead.

Signed-off-by: Shuang Qiu <shuang.qiu@oracle.com>
syscalls/fstatfs01: Add test on pipe(2) fd

The fstatfs(2) on pipe(2) fd was broken in Linux 2.6.38 in:

 commit ff0c7d15f9787b7e8c601533c015295cc68329f8
 Author: Nick Piggin <npiggin@kernel.dk>
 Date:   Fri Jan 7 17:49:50 2011 +1100

     fs: avoid inode RCU freeing for pseudo fs

and fixed in 3.2 in:

 commit d70ef97baf048412c395bb5d65791d8fe133a52b
 Author: Pavel Emelyanov <xemul@parallels.com>
 Date:   Mon Oct 31 17:10:04 2011 -0700

     fs/pipe.c: add ->statfs callback for pipefs

This commit adds test that checks that fstatfs(2) on pipe(2) fd works.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>