MFV r329753: 8809 libzpool should leverage work done in libfakekernel

illumos/illumos-gate@f06dce2c1f

Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Gordon Ross <gordon.w.ross@gmail.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
Author: Andrew Stormont <astormont@racktopsystems.com>

sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c

@@ -23,6 +23,7 @@
  * Copyright (c) 2012, 2017 by Delphix. All rights reserved.
  * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
  * Copyright (c) 2014 Integros [integros.com]
+ * Copyright 2017 RackTop Systems.
  */
 
 #include <sys/zfs_context.h>
@@ -66,7 +67,9 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, default_ibs, CTLFLAG_RWTUN,
     &zfs_default_ibs, 0, "Default dnode indirect block shift");
 
 #ifdef illumos
+#ifdef	_KERNEL
 static kmem_cbrc_t dnode_move(void *, void *, size_t, void *);
+#endif	/* _KERNEL */
 #endif
 
 static int
@@ -222,7 +225,9 @@ dnode_init(void)
 	dnode_cache = kmem_cache_create("dnode_t",
 	    sizeof (dnode_t),
 	    0, dnode_cons, dnode_dest, NULL, NULL, NULL, 0);
+#ifdef	_KERNEL
 	kmem_cache_set_move(dnode_cache, dnode_move);
+#endif	/* _KERNEL */
 }
 
 void
@@ -414,7 +419,9 @@ dnode_create(objset_t *os, dnode_phys_t *dnp, dmu_buf_impl_t *db,
 	dnode_t *dn;
 
 	dn = kmem_cache_alloc(dnode_cache, KM_SLEEP);
+#ifdef _KERNEL
 	ASSERT(!POINTER_IS_VALID(dn->dn_objset));
+#endif /* _KERNEL */
 	dn->dn_moved = 0;
 
 	/*
@@ -706,6 +713,7 @@ static struct {
 } dnode_move_stats;
 #endif	/* DNODE_STATS */
 
+#ifdef	_KERNEL
 static void
 dnode_move_impl(dnode_t *odn, dnode_t *ndn)
 {
@@ -843,7 +851,6 @@ dnode_move_impl(dnode_t *odn, dnode_t *ndn)
 }
 
 #ifdef illumos
-#ifdef	_KERNEL
 /*ARGSUSED*/
 static kmem_cbrc_t
 dnode_move(void *buf, void *newbuf, size_t size, void *arg)
@@ -984,8 +991,8 @@ dnode_move(void *buf, void *newbuf, size_t size, void *arg)
 
 	return (KMEM_CBRC_YES);
 }
-#endif	/* _KERNEL */
 #endif	/* illumos */
+#endif	/* _KERNEL */
 
 void
 dnode_special_close(dnode_handle_t *dnh)

sys/cddl/contrib/opensolaris/uts/common/sys/acl.h

@@ -23,6 +23,7 @@
  *
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2017 RackTop Systems.
  */
 
 #ifndef _SYS_ACL_H
@@ -130,7 +131,7 @@ typedef struct acl_info acl_t;
 #define	ACL_FLAGS_ALL			(ACL_AUTO_INHERIT|ACL_PROTECTED| \
     ACL_DEFAULTED)
 
-#ifdef _KERNEL
+#if defined(_KERNEL) || defined(_FAKE_KERNEL)
 
 /*
  * These are only applicable in a CIFS context.

sys/cddl/contrib/opensolaris/uts/common/sys/bitmap.h

@@ -26,6 +26,7 @@
 
 /*
  * Copyright (c) 2014 by Delphix. All rights reserved.
+ * Copyright 2017 RackTop Systems.
  */
 
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
@@ -134,7 +135,7 @@ extern "C" {
 #define	BIT_ONLYONESET(u) \
 	((((u) == 0) ? 0 : ((u) & ((u) - 1)) == 0))
 
-#if defined(_KERNEL) && !defined(_ASM)
+#if (defined(_KERNEL) || defined(_FAKE_KERNEL)) && !defined(_ASM)
 #include <sys/atomic.h>
 
 /*
@@ -188,7 +189,7 @@ extern int	odd_parity(ulong_t);
  */
 #define	BITX(u, h, l)	(((u) >> (l)) & ((1LU << ((h) - (l) + 1LU)) - 1LU))
 
-#endif	/* _KERNEL && !_ASM */
+#endif	/* (_KERNEL || _FAKE_KERNEL) && !_ASM */
 
 #ifdef	__cplusplus
 }

sys/cddl/contrib/opensolaris/uts/common/sys/cpupart.h

@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2017 RackTop Systems.
  */
 
 #ifndef	_SYS_CPUPART_H
@@ -40,7 +41,7 @@
 extern "C" {
 #endif
 
-#ifdef _KERNEL
+#if defined(_KERNEL) || defined(_FAKE_KERNEL)
 
 typedef int	cpupartid_t;
 
@@ -148,7 +149,7 @@ extern uint_t	cpupart_list(psetid_t *, uint_t, int);
 extern int	cpupart_setattr(psetid_t, uint_t);
 extern int	cpupart_getattr(psetid_t, uint_t *);
 
-#endif	/* _KERNEL */
+#endif	/* _KERNEL || _FAKE_KERNEL */
 
 #ifdef	__cplusplus
 }

sys/cddl/contrib/opensolaris/uts/common/sys/cpuvar.h

@@ -22,6 +22,7 @@
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>.
+ * Copyright 2017 RackTop Systems.
  */
 
 #ifndef _SYS_CPUVAR_H
@@ -31,6 +32,7 @@
 #include <sys/sysinfo.h>	/* has cpu_stat_t definition */
 #include <sys/disp.h>
 #include <sys/processor.h>
+#include <sys/kcpc.h>		/* has kcpc_ctx_t definition */
 
 #include <sys/loadavg.h>
 #if (defined(_KERNEL) || defined(_KMEMUSER)) && defined(_MACHDEP)
@@ -610,9 +612,9 @@ extern struct cpu *curcpup(void);
 #endif /* _KERNEL || _KMEMUSER */
 
 /*
- * CPU support routines.
+ * CPU support routines (not for genassym.c)
  */
-#if	defined(_KERNEL) && defined(__STDC__)	/* not for genassym.c */
+#if	(defined(_KERNEL) || defined(_FAKE_KERNEL)) && defined(__STDC__)
 
 struct zone;
 
@@ -819,7 +821,7 @@ extern void populate_idstr(struct cpu *);
 extern void cpu_vm_data_init(struct cpu *);
 extern void cpu_vm_data_destroy(struct cpu *);
 
-#endif	/* _KERNEL */
+#endif	/* _KERNEL || _FAKE_KERNEL */
 
 #ifdef	__cplusplus
 }

sys/cddl/contrib/opensolaris/uts/common/sys/fm/util.h

@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2017 RackTop Systems.
  */
 
 #ifndef	_SYS_FM_UTIL_H
@@ -70,7 +71,7 @@ typedef struct erpt_dump {
 	} ed_tod_base;
 } erpt_dump_t;
 
-#ifdef _KERNEL
+#if defined(_KERNEL) || defined(_FAKE_KERNEL)
 #include <sys/systm.h>
 
 #define	FM_STK_DEPTH	20	/* maximum stack depth */
@@ -92,7 +93,7 @@ extern void fm_ereport_dump(void);
 extern void fm_ereport_post(nvlist_t *, int);
 
 extern int is_fm_panic();
-#endif  /* _KERNEL */
+#endif  /* _KERNEL || _FAKE_KERNEL */
 
 #ifdef	__cplusplus
 }

sys/cddl/contrib/opensolaris/uts/common/sys/vnode.h

@@ -21,6 +21,7 @@
 
 /*
  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2017 RackTop Systems.
  */
 
 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/