Move the world out of /zfs/ and seperate out module build tree

1 files changed, 136 insertions, 0 deletions

diff --git a/module/zfs/include/sys/dmu_objset.h b/module/zfs/include/sys/dmu_objset.h
new file mode 100644
index 000000000..15df29a17
--- /dev/null
+++ b/module/zfs/include/sys/dmu_objset.h
@@ -0,0 +1,136 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_DMU_OBJSET_H
+#define	_SYS_DMU_OBJSET_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/spa.h>
+#include <sys/arc.h>
+#include <sys/txg.h>
+#include <sys/zfs_context.h>
+#include <sys/dnode.h>
+#include <sys/zio.h>
+#include <sys/zil.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+struct dsl_dataset;
+struct dmu_tx;
+struct objset_impl;
+
+typedef struct objset_phys {
+	dnode_phys_t os_meta_dnode;
+	zil_header_t os_zil_header;
+	uint64_t os_type;
+	char os_pad[1024 - sizeof (dnode_phys_t) - sizeof (zil_header_t) -
+	    sizeof (uint64_t)];
+} objset_phys_t;
+
+struct objset {
+	struct objset_impl *os;
+	int os_mode;
+};
+
+typedef struct objset_impl {
+	/* Immutable: */
+	struct dsl_dataset *os_dsl_dataset;
+	spa_t *os_spa;
+	arc_buf_t *os_phys_buf;
+	objset_phys_t *os_phys;
+	dnode_t *os_meta_dnode;
+	zilog_t *os_zil;
+	objset_t os;
+	uint8_t os_checksum;	/* can change, under dsl_dir's locks */
+	uint8_t os_compress;	/* can change, under dsl_dir's locks */
+	uint8_t os_copies;	/* can change, under dsl_dir's locks */
+	uint8_t os_primary_cache;	/* can change, under dsl_dir's locks */
+	uint8_t os_secondary_cache;	/* can change, under dsl_dir's locks */
+
+	/* no lock needed: */
+	struct dmu_tx *os_synctx; /* XXX sketchy */
+	blkptr_t *os_rootbp;
+	zil_header_t os_zil_header;
+
+	/* Protected by os_obj_lock */
+	kmutex_t os_obj_lock;
+	uint64_t os_obj_next;
+
+	/* Protected by os_lock */
+	kmutex_t os_lock;
+	list_t os_dirty_dnodes[TXG_SIZE];
+	list_t os_free_dnodes[TXG_SIZE];
+	list_t os_dnodes;
+	list_t os_downgraded_dbufs;
+
+	/* stuff we store for the user */
+	kmutex_t os_user_ptr_lock;
+	void *os_user_ptr;
+} objset_impl_t;
+
+#define	DMU_META_DNODE_OBJECT	0
+
+#define	DMU_OS_IS_L2CACHEABLE(os)				\
+	((os)->os_secondary_cache == ZFS_CACHE_ALL ||		\
+	(os)->os_secondary_cache == ZFS_CACHE_METADATA)
+
+/* called from zpl */
+int dmu_objset_open(const char *name, dmu_objset_type_t type, int mode,
+    objset_t **osp);
+void dmu_objset_close(objset_t *os);
+int dmu_objset_create(const char *name, dmu_objset_type_t type,
+    objset_t *clone_parent, uint64_t flags,
+    void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg);
+int dmu_objset_destroy(const char *name);
+int dmu_objset_rollback(objset_t *os);
+int dmu_objset_snapshot(char *fsname, char *snapname, boolean_t recursive);
+void dmu_objset_stats(objset_t *os, nvlist_t *nv);
+void dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat);
+void dmu_objset_space(objset_t *os, uint64_t *refdbytesp, uint64_t *availbytesp,
+    uint64_t *usedobjsp, uint64_t *availobjsp);
+uint64_t dmu_objset_fsid_guid(objset_t *os);
+int dmu_objset_find(char *name, int func(char *, void *), void *arg,
+    int flags);
+int dmu_objset_find_spa(spa_t *spa, const char *name,
+    int func(spa_t *, uint64_t, const char *, void *), void *arg, int flags);
+void dmu_objset_byteswap(void *buf, size_t size);
+int dmu_objset_evict_dbufs(objset_t *os);
+
+/* called from dsl */
+void dmu_objset_sync(objset_impl_t *os, zio_t *zio, dmu_tx_t *tx);
+objset_impl_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds,
+    blkptr_t *bp, dmu_objset_type_t type, dmu_tx_t *tx);
+int dmu_objset_open_impl(spa_t *spa, struct dsl_dataset *ds, blkptr_t *bp,
+    objset_impl_t **osip);
+void dmu_objset_evict(struct dsl_dataset *ds, void *arg);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _SYS_DMU_OBJSET_H */