nfsd: Headers Independence and include cleanups

* Add includes that are directly used by headers
* Remove includes that are not needed

These are the changes made:

[xdr.h]
struct nfsd_readdirres has an embedded struct readdir_cd from nfsd.h
fixing that we can drop other includes

[xdr4.h]
embedded types defined both at state.h and nfsd.h

[syscall.h]
After export.h fix none of these stuff is needed.
fix extra space in # include <> statement

[stats.h]
does not need <linux/nfs4.h> but was export to user-mode
so I don't touch it

[state.h]
embedded types from nfsfh.h like struct knfsd_fh. bringing that
eliminates the need for all other includes

[nfsfh.h]
directly manipulating types from sunrpc/svc.h.
Removed Other unused headers.

[nfsd.h]
removed unused headers include

[export.h]
lots of sunrpc/svc.h types and a single prototype declaration
with pointer from nfsfh.h, but all users of export.h do need
nfsfh.h any way. remove now un-needed include.

[const.h]
Unfixed (not independent)

[cache.h]
could do with a forward declaration of "struct svc_rqst;"
from sunrpc/svc.h but all users absolutely will need
sunrpc/svc.h it is easier overall this way.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 1 insertions, 3 deletions

diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 5aadf8a..2af7568 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -37,9 +37,7 @@
 #ifndef _NFSD4_STATE_H
 #define _NFSD4_STATE_H
 
-#include <linux/list.h>
-#include <linux/kref.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/nfsd/nfsfh.h>
 
 typedef struct {
 	u32             cl_boot;