freebsd: changes necessary to coexist with dtrace in tree

Fix header conflicts when building zfs with openzfs as a vendor import.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10497

include/os/freebsd/spl/sys/ccompile.h

@@ -160,11 +160,13 @@ extern "C" {
 #define	KMALLOC_MAX_SIZE MAXPHYS
 
 #ifdef _KERNEL
+#if !defined(LOCORE) && !defined(_ASM)
 typedef unsigned long long	u_longlong_t;
 typedef long long		longlong_t;
 
-#include <linux/types.h>
+
 typedef	void zfs_kernel_param_t;
+#endif
 #define	param_set_charp(a, b) (0)
 #define	ATTR_UID AT_UID
 #define	ATTR_GID AT_GID
@@ -179,6 +181,9 @@ typedef	void zfs_kernel_param_t;
 #define	MUTEX_NOLOCKDEP 0
 #define	RW_NOLOCKDEP 0
 
+#if !defined(LOCORE) && !defined(_ASM)
+#include <sys/param.h>
+#include <linux/types.h>
 
 #if  __FreeBSD_version < 1300051
 #define	vm_page_valid(m) (m)->valid = VM_PAGE_BITS_ALL
@@ -207,7 +212,6 @@ typedef	void zfs_kernel_param_t;
 #else
 #define	getnewvnode_reserve_()	getnewvnode_reserve(1)
 #endif
-
 struct hlist_node {
 	struct hlist_node *next, **pprev;
 };
@@ -288,7 +292,7 @@ atomic_dec(atomic_t *v)
 {
 	return (atomic_fetchadd_int(&v->counter, -1) - 1);
 }
-
+#endif
 #else
 typedef long loff_t;
 typedef long rlim64_t;

include/os/freebsd/spl/sys/condvar.h

@@ -35,7 +35,6 @@
 #include <sys/spl_condvar.h>
 #include <sys/mutex.h>
 #include <sys/time.h>
-#include <sys/kmem.h>
 
 /*
  * cv_timedwait() is similar to cv_wait() except that it additionally expects

include/os/freebsd/spl/sys/file.h

@@ -29,6 +29,8 @@
 #ifndef _OPENSOLARIS_SYS_FILE_H_
 #define	_OPENSOLARIS_SYS_FILE_H_
 
+#include <sys/refcount.h>
+#include_next <sys/refcount.h>
 #include_next <sys/file.h>
 
 #define	FKIOCTL	0x80000000	/* ioctl addresses are from kernel */

include/os/freebsd/spl/sys/mount.h

@@ -31,8 +31,9 @@
 
 #include <sys/param.h>
 #include_next <sys/mount.h>
+#ifdef BUILDING_ZFS
 #include <sys/vfs.h>
-
+#endif
 #define	MS_FORCE	MNT_FORCE
 #define	MS_REMOUNT	MNT_UPDATE
 

include/os/freebsd/spl/sys/sunddi.h

@@ -29,7 +29,9 @@
 #include <sys/uio.h>
 #include <sys/mutex.h>
 #include <sys/u8_textprep.h>
+#ifdef BUILDING_ZFS
 #include <sys/vnode.h>
+#endif
 
 typedef int ddi_devid_t;