Update the kmem_cache emulation to run its callbacks with

Solaris argument order.

No functional change intended.

external/cddl/osnet/dist/uts/common/fs/zfs/arc.c

@@ -1578,9 +1578,6 @@ hdr_full_cons(void *vbuf, void *unused, int kmflag)
 {
 	arc_buf_hdr_t *hdr = vbuf;
 
-#ifdef __NetBSD__
-	hdr = unused;
-#endif
 	bzero(hdr, HDR_FULL_SIZE);
 	cv_init(&hdr->b_l1hdr.b_cv, NULL, CV_DEFAULT, NULL);
 	refcount_create(&hdr->b_l1hdr.b_refcnt);
@@ -1597,9 +1594,6 @@ hdr_l2only_cons(void *vbuf, void *unused, int kmflag)
 {
 	arc_buf_hdr_t *hdr = vbuf;
 
-#ifdef __NetBSD__
-	hdr = unused;
-#endif
 	bzero(hdr, HDR_L2ONLY_SIZE);
 	arc_space_consume(HDR_L2ONLY_SIZE, ARC_SPACE_L2HDRS);
 
@@ -1612,9 +1606,6 @@ buf_cons(void *vbuf, void *unused, int kmflag)
 {
 	arc_buf_t *buf = vbuf;
 
-#ifdef __NetBSD__
-	buf = unused;
-#endif
 	bzero(buf, sizeof (arc_buf_t));
 	mutex_init(&buf->b_evict_lock, NULL, MUTEX_DEFAULT, NULL);
 	arc_space_consume(sizeof (arc_buf_t), ARC_SPACE_HDRS);

external/cddl/osnet/dist/uts/common/fs/zfs/dbuf.c

@@ -138,9 +138,6 @@ dbuf_cons(void *vdb, void *unused, int kmflag)
 {
 	dmu_buf_impl_t *db = vdb;
 
-#ifdef __NetBSD__
-	db = unused;
-#endif
 	bzero(db, sizeof (dmu_buf_impl_t));
 	mutex_init(&db->db_mtx, NULL, MUTEX_DEFAULT, NULL);
 	cv_init(&db->db_changed, NULL, CV_DEFAULT, NULL);

external/cddl/osnet/dist/uts/common/fs/zfs/dnode.c

@@ -107,9 +107,6 @@ dnode_cons(void *arg, void *unused, int kmflag)
 	dnode_t *dn = arg;
 	int i;
 
-#ifdef __NetBSD__
-	dn = unused;
-#endif
 	rw_init(&dn->dn_struct_rwlock, NULL, RW_DEFAULT, NULL);
 	mutex_init(&dn->dn_mtx, NULL, MUTEX_DEFAULT, NULL);
 	mutex_init(&dn->dn_dbufs_mtx, NULL, MUTEX_DEFAULT, NULL);

external/cddl/osnet/dist/uts/common/fs/zfs/sa.c

@@ -212,9 +212,6 @@ sa_cache_constructor(void *buf, void *unused, int kmflag)
 {
 	sa_handle_t *hdl = buf;
 
-#ifdef __NetBSD__
-	hdl = unused;
-#endif
 	mutex_init(&hdl->sa_lock, NULL, MUTEX_DEFAULT, NULL);
 	return (0);
 }

external/cddl/osnet/dist/uts/common/fs/zfs/zfs_znode.c

@@ -130,9 +130,6 @@ zfs_znode_cache_constructor(void *buf, void *arg, int kmflags)
 {
 	znode_t *zp = buf;
 
-#ifdef __NetBSD__
-	zp = arg;
-#endif
 	POINTER_INVALIDATE(&zp->z_zfsvfs);
 
 	list_link_init(&zp->z_link_node);

external/cddl/osnet/sys/kern/kmem.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: kmem.c,v 1.1 2018/05/28 21:05:09 chs Exp $	*/
+/*	$NetBSD: kmem.c,v 1.2 2019/05/23 08:32:30 hannken Exp $	*/
 
 /*-
  * Copyright (c) 2017 The NetBSD Foundation, Inc.
@@ -28,6 +28,102 @@
 
 #include <sys/kmem.h>
 
+struct kmem_cache {
+	pool_cache_t km_pool;
+	void *km_private;
+	int (*km_constructor)(void *, void *, int);
+	void (*km_destructor)(void *, void *);
+	void (*km_reclaim)(void *);
+};
+
+static int
+solaris_constructor(void *private, void *object, int flag)
+{
+	kmem_cache_t *km = private;
+
+	if (km->km_constructor)
+		return (*km->km_constructor)(object, km->km_private, flag);
+
+	return 0;
+}
+
+static void
+solaris_destructor(void *private, void *object)
+{
+	kmem_cache_t *km = private;
+
+	if (km->km_destructor)
+		(*km->km_destructor)(object, km->km_private);
+}
+
+static void
+solaris_reclaim(void *private, int flag)
+{
+
+	kmem_cache_t *km = private;
+
+	if (km->km_reclaim)
+		(*km->km_reclaim)(km->km_private);
+}
+
+kmem_cache_t *
+kmem_cache_create(char *name, size_t bufsize, size_t align,
+    int (*constructor)(void *, void *, int), void (*destructor)(void *, void *),
+    void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int flags)
+{
+	kmem_cache_t *km;
+
+	KASSERT(ISSET(flags, ~(KMC_NOTOUCH | KMC_NODEBUG)) == 0);
+	KASSERT(private == NULL);
+	KASSERT(vmp == NULL);
+
+	km = kmem_zalloc(sizeof(*km), KM_SLEEP);
+	km->km_private = private;
+	km->km_constructor = constructor;
+	km->km_destructor = destructor;
+	km->km_reclaim = reclaim;
+	km->km_pool = pool_cache_init(bufsize, align, 0, 0, name, NULL,
+	    IPL_NONE, solaris_constructor, solaris_destructor, km);
+	if (km->km_pool == NULL) {
+		kmem_free(km, sizeof(*km));
+		return NULL;
+	}
+	if (reclaim)
+		pool_cache_set_drain_hook(km->km_pool, solaris_reclaim, km);
+
+	return km;
+}
+void
+kmem_cache_destroy(kmem_cache_t *km)
+{
+
+	pool_cache_destroy(km->km_pool);
+	kmem_free(km, sizeof(*km));
+}
+
+void *
+kmem_cache_alloc(kmem_cache_t *km, int flags)
+{
+
+	KASSERT(ISSET(flags, ~(KM_SLEEP | KM_NOSLEEP | KM_PUSHPAGE)) == 0);
+
+	return pool_cache_get(km->km_pool, flags);
+}
+
+void
+kmem_cache_free(kmem_cache_t *km, void *object)
+{
+
+	pool_cache_put(km->km_pool, object);
+}
+
+void
+kmem_cache_reap_now(kmem_cache_t *km)
+{
+
+	pool_cache_invalidate(km->km_pool);
+}
+
 #undef kmem_alloc
 #undef kmem_zalloc
 #undef kmem_free

external/cddl/osnet/sys/sys/kmem.h

@@ -1,5 +1,5 @@
 
-/*	$NetBSD: kmem.h,v 1.10 2018/05/28 21:05:10 chs Exp $	*/
+/*	$NetBSD: kmem.h,v 1.11 2019/05/23 08:32:31 hannken Exp $	*/
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -41,48 +41,27 @@
 #define	KM_NORMALPRI	0
 #define	KM_NODEBUG	0
 
-#define	KMC_NODEBUG	0
-#define	KMC_NOTOUCH	0
+#define	KMC_NOTOUCH	0x00010000
+#define	KMC_NODEBUG	0x00020000
 
-typedef void kmem_cache_t;
+struct kmem_cache;
+
+typedef struct kmem_cache kmem_cache_t;
 
 #define	POINTER_IS_VALID(p)	(!((uintptr_t)(p) & 0x3))
 #define	POINTER_INVALIDATE(pp)	(*(pp) = (void *)((uintptr_t)(*(pp)) | 0x1))
 
-void		kmem_reap(void);
-
-static inline kmem_cache_t *
-kmem_cache_create(char *name, size_t bufsize, size_t align,
-    int (*constructor)(void *, void *, int), void (*destructor)(void *, void *),
-    void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int cflags)
-{
-	pool_cache_t pc;
-	int flags = bufsize > PAGESIZE ? PR_NOALIGN : 0;
-
-	KASSERT(vmp == NULL);
-
-	pc = pool_cache_init(bufsize, align, 0, flags, name, NULL, IPL_NONE,
-	    constructor, destructor, private);
-	if (pc != NULL && reclaim != NULL) {
-		pool_cache_set_drain_hook(pc, (void *)reclaim, private);
-	}
-	return pc;
-}
-
-static inline void *
-kmem_cache_alloc(kmem_cache_t *cache, int flags)
-{
-	return pool_cache_get(cache, flags);
-}
-
-#define	kmem_cache_destroy(cache)		pool_cache_destroy(cache)
-#define	kmem_cache_free(cache, buf)		pool_cache_put(cache, buf)
-#define	kmem_cache_reap_now(cache)		pool_cache_invalidate(cache)
+kmem_cache_t *kmem_cache_create(char *, size_t, size_t,
+    int (*)(void *, void *, int), void (*)(void *, void *),
+    void (*)(void *), void *, vmem_t *, int);
+void kmem_cache_destroy(kmem_cache_t *);
+void *kmem_cache_alloc(kmem_cache_t *, int);
+void kmem_cache_free(kmem_cache_t *, void *);
+void kmem_cache_reap_now(kmem_cache_t *);
+#define	kmem_cache_set_move(cache, movefunc)	do { } while (0)
 
 #define	heap_arena			kmem_arena
 
-#define	kmem_cache_set_move(cache, movefunc)	do { } while (0)
-
 #define kmem_alloc solaris_kmem_alloc
 #define kmem_zalloc solaris_kmem_zalloc
 #define kmem_free solaris_kmem_free