1 /*        $NetBSD: zfs_znode.h,v 1.1 2022/06/19 11:31:19 simonb Exp $ */
2 
3 /*
4  * XXX From: external/cddl/osnet/dist/uts/common/fs/zfs/sys/zfs_znode.h
5  *
6  * Grotty hack to define a "simple" znode_t so we don't need to
7  * try to include the real zfs_znode.h which isn't easily possible
8  * from userland due to all sorts of kernel only defines and structs
9  * being required.
10  */
11 
12 /*
13  * CDDL HEADER START
14  *
15  * The contents of this file are subject to the terms of the
16  * Common Development and Distribution License (the "License").
17  * You may not use this file except in compliance with the License.
18  *
19  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
20  * or http://www.opensolaris.org/os/licensing.
21  * See the License for the specific language governing permissions
22  * and limitations under the License.
23  *
24  * When distributing Covered Code, include this CDDL HEADER in each
25  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
26  * If applicable, add the following below this CDDL HEADER, with the
27  * fields enclosed by brackets "[]" replaced with your own identifying
28  * information: Portions Copyright [yyyy] [name of copyright owner]
29  *
30  * CDDL HEADER END
31  */
32 /*
33  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
34  * Copyright (c) 2012, 2015 by Delphix. All rights reserved.
35  * Copyright (c) 2014 Integros [integros.com]
36  */
37 
38 
39 #include <miscfs/genfs/genfs_node.h>
40 
41 #define   VTOZ(VP)  ((znode_t *)(VP)->v_data)
42 
43 #define   ulong_t             unsigned long
44 #define   uint_t              unsigned int
45 #define   zfs_acl_t void
46 
47 struct avl_node;
48 typedef struct sa_handle sa_handle_t;
49 typedef int boolean_t;
50 
51 typedef struct avl_tree {
52           struct avl_node     *avl_root;
53           int                 (*avl_compar)(const void *, const void *);
54           size_t              avl_offset;
55           ulong_t             avl_numnodes;
56           size_t              avl_size;
57 } avl_tree_t;
58 
59 typedef struct list_node {
60           struct list_node *list_next;
61           struct list_node *list_prev;
62 } list_node_t;
63 
64 typedef struct znode {
65 #ifdef __NetBSD__
66           struct genfs_node z_gnode;
67 #endif
68           struct zfsvfs       *z_zfsvfs;
69           vnode_t             *z_vnode;
70           uint64_t  z_id;               /* object ID for this znode */
71 #ifdef illumos
72           kmutex_t  z_lock;             /* znode modification lock */
73           krwlock_t z_parent_lock;      /* parent lock for directories */
74           krwlock_t z_name_lock;        /* "master" lock for dirent locks */
75           zfs_dirlock_t       *z_dirlocks;        /* directory entry lock list */
76 #endif
77           kmutex_t  z_range_lock;       /* protects changes to z_range_avl */
78           avl_tree_t          z_range_avl;        /* avl tree of file range locks */
79           uint8_t             z_unlinked;         /* file has been unlinked */
80           uint8_t             z_atime_dirty;      /* atime needs to be synced */
81           uint8_t             z_zn_prefetch;      /* Prefetch znodes? */
82           uint8_t             z_moved;  /* Has this znode been moved? */
83           uint_t              z_blksz;  /* block size in bytes */
84           uint_t              z_seq;              /* modification sequence number */
85           uint64_t  z_mapcnt; /* number of pages mapped to file */
86           uint64_t  z_gen;              /* generation (cached) */
87           uint64_t  z_size;             /* file size (cached) */
88           uint64_t  z_atime[2];         /* atime (cached) */
89           uint64_t  z_links;  /* file links (cached) */
90           uint64_t  z_pflags; /* pflags (cached) */
91           uint64_t  z_uid;              /* uid fuid (cached) */
92           uint64_t  z_gid;              /* gid fuid (cached) */
93           mode_t              z_mode;             /* mode (cached) */
94           uint32_t  z_sync_cnt;         /* synchronous open count */
95           kmutex_t  z_acl_lock;         /* acl data lock */
96           zfs_acl_t *z_acl_cached;      /* cached acl */
97           list_node_t         z_link_node;        /* all znodes in fs link */
98           sa_handle_t         *z_sa_hdl;          /* handle to sa data */
99           boolean_t z_is_sa;  /* are we native sa? */
100 #ifdef __NetBSD__
101           struct lockf        *z_lockf; /* head of byte-level lock list */
102 #endif
103 } znode_t;
104