1 files changed, 100 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h
new file mode 100644
index 000000000000..aa82cc178091
--- /dev/null
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_vfsops.h
@@ -0,0 +1,100 @@
+/*
+ * 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 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_FS_ZFS_VFSOPS_H
+#define	_SYS_FS_ZFS_VFSOPS_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/list.h>
+#include <sys/vfs.h>
+#include <sys/zil.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct zfsvfs zfsvfs_t;
+
+struct zfsvfs {
+	vfs_t		*z_vfs;		/* generic fs struct */
+	zfsvfs_t	*z_parent;	/* parent fs */
+	objset_t	*z_os;		/* objset reference */
+	uint64_t	z_root;		/* id of root znode */
+	uint64_t	z_unlinkedobj;	/* id of unlinked zapobj */
+	uint64_t	z_max_blksz;	/* maximum block size for files */
+	uint64_t	z_assign;	/* TXG_NOWAIT or set by zil_replay() */
+	zilog_t		*z_log;		/* intent log pointer */
+	uint_t		z_acl_mode;	/* acl chmod/mode behavior */
+	uint_t		z_acl_inherit;	/* acl inheritance behavior */
+	boolean_t	z_atime;	/* enable atimes mount option */
+	boolean_t	z_unmounted1;	/* unmounted phase 1 */
+	boolean_t	z_unmounted2;	/* unmounted phase 2 */
+	uint32_t	z_op_cnt;	/* vnode/vfs operations ref count */
+	krwlock_t	z_um_lock;	/* rw lock for umount phase 2 */
+	list_t		z_all_znodes;	/* all vnodes in the fs */
+	kmutex_t	z_znodes_lock;	/* lock for z_all_znodes */
+	vnode_t		*z_ctldir;	/* .zfs directory pointer */
+	boolean_t	z_show_ctldir;	/* expose .zfs in the root dir */
+	boolean_t	z_issnap;	/* true if this is a snapshot */
+#define	ZFS_OBJ_MTX_SZ	64
+	kmutex_t	z_hold_mtx[ZFS_OBJ_MTX_SZ];	/* znode hold locks */
+};
+
+/*
+ * The total file ID size is limited to 12 bytes (including the length
+ * field) in the NFSv2 protocol.  For historical reasons, this same limit
+ * is currently being imposed by the Solaris NFSv3 implementation...
+ * although the protocol actually permits a maximum of 64 bytes.  It will
+ * not be possible to expand beyond 12 bytes without abandoning support
+ * of NFSv2 and making some changes to the Solaris NFSv3 implementation.
+ *
+ * For the time being, we will partition up the available space as follows:
+ *	2 bytes		fid length (required)
+ *	6 bytes		object number (48 bits)
+ *	4 bytes		generation number (32 bits)
+ * We reserve only 48 bits for the object number, as this is the limit
+ * currently defined and imposed by the DMU.
+ */
+typedef struct zfid_short {
+	uint16_t	zf_len;
+	uint8_t		zf_object[6];		/* obj[i] = obj >> (8 * i) */
+	uint8_t		zf_gen[4];		/* gen[i] = gen >> (8 * i) */
+} zfid_short_t;
+
+typedef struct zfid_long {
+	zfid_short_t	z_fid;
+	uint8_t		zf_setid[6];		/* obj[i] = obj >> (8 * i) */
+	uint8_t		zf_setgen[2];		/* gen[i] = gen >> (8 * i) */
+} zfid_long_t;
+
+#define	SHORT_FID_LEN	(sizeof (zfid_short_t) - sizeof (uint16_t))
+#define	LONG_FID_LEN	(sizeof (zfid_long_t) - sizeof (uint16_t))
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_FS_ZFS_VFSOPS_H */