1 /*
2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 #ifndef __XFS_INODE_ITEM_H__
19 #define __XFS_INODE_ITEM_H__
20
21 /*
22 * This is the structure used to lay out an inode log item in the
23 * log. The size of the inline data/extents/b-tree root to be logged
24 * (if any) is indicated in the ilf_dsize field. Changes to this structure
25 * must be added on to the end.
26 */
27 typedef struct xfs_inode_log_format {
28 __uint16_t ilf_type; /* inode log item type */
29 __uint16_t ilf_size; /* size of this item */
30 __uint32_t ilf_fields; /* flags for fields logged */
31 __uint16_t ilf_asize; /* size of attr d/ext/root */
32 __uint16_t ilf_dsize; /* size of data/ext/root */
33 __uint64_t ilf_ino; /* inode number */
34 union {
35 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
36 uuid_t ilfu_uuid; /* mount point value */
37 } ilf_u;
38 __int64_t ilf_blkno; /* blkno of inode buffer */
39 __int32_t ilf_len; /* len of inode buffer */
40 __int32_t ilf_boffset; /* off of inode in buffer */
41 } xfs_inode_log_format_t;
42
43 #ifndef HAVE_FORMAT32
44 typedef struct xfs_inode_log_format_32 {
45 __uint16_t ilf_type; /* inode log item type */
46 __uint16_t ilf_size; /* size of this item */
47 __uint32_t ilf_fields; /* flags for fields logged */
48 __uint16_t ilf_asize; /* size of attr d/ext/root */
49 __uint16_t ilf_dsize; /* size of data/ext/root */
50 __uint64_t ilf_ino; /* inode number */
51 union {
52 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
53 uuid_t ilfu_uuid; /* mount point value */
54 } ilf_u;
55 __int64_t ilf_blkno; /* blkno of inode buffer */
56 __int32_t ilf_len; /* len of inode buffer */
57 __int32_t ilf_boffset; /* off of inode in buffer */
58 } __attribute__((packed)) xfs_inode_log_format_32_t;
59 #endif
60
61 typedef struct xfs_inode_log_format_64 {
62 __uint16_t ilf_type; /* inode log item type */
63 __uint16_t ilf_size; /* size of this item */
64 __uint32_t ilf_fields; /* flags for fields logged */
65 __uint16_t ilf_asize; /* size of attr d/ext/root */
66 __uint16_t ilf_dsize; /* size of data/ext/root */
67 __uint32_t ilf_pad; /* pad for 64 bit boundary */
68 __uint64_t ilf_ino; /* inode number */
69 union {
70 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
71 uuid_t ilfu_uuid; /* mount point value */
72 } ilf_u;
73 __int64_t ilf_blkno; /* blkno of inode buffer */
74 __int32_t ilf_len; /* len of inode buffer */
75 __int32_t ilf_boffset; /* off of inode in buffer */
76 } xfs_inode_log_format_64_t;
77
78 /*
79 * Flags for xfs_trans_log_inode flags field.
80 */
81 #define XFS_ILOG_CORE 0x001 /* log standard inode fields */
82 #define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
83 #define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
84 #define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
85 #define XFS_ILOG_DEV 0x010 /* log the dev field */
86 #define XFS_ILOG_UUID 0x020 /* log the uuid field */
87 #define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
88 #define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
89 #define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
90
91 #define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
92 XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
93 XFS_ILOG_UUID | XFS_ILOG_ADATA | \
94 XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
95
96 #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
97 XFS_ILOG_DBROOT)
98
99 #define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
100 XFS_ILOG_ABROOT)
101
102 #define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
103 XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
104 XFS_ILOG_DEV | XFS_ILOG_UUID | \
105 XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
106 XFS_ILOG_ABROOT)
107
108 #define XFS_ILI_HOLD 0x1
109 #define XFS_ILI_IOLOCKED_EXCL 0x2
110 #define XFS_ILI_IOLOCKED_SHARED 0x4
111
112 #define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED)
113
114
115 #ifdef __KERNEL__
116
117 struct xfs_buf;
118 struct xfs_bmbt_rec_64;
119 struct xfs_inode;
120 struct xfs_mount;
121
122
123 typedef struct xfs_inode_log_item {
124 xfs_log_item_t ili_item; /* common portion */
125 struct xfs_inode *ili_inode; /* inode ptr */
126 xfs_lsn_t ili_flush_lsn; /* lsn at last flush */
127 xfs_lsn_t ili_last_lsn; /* lsn at last transaction */
128 unsigned short ili_ilock_recur; /* lock recursion count */
129 unsigned short ili_iolock_recur; /* lock recursion count */
130 unsigned short ili_flags; /* misc flags */
131 unsigned short ili_logged; /* flushed logged data */
132 unsigned int ili_last_fields; /* fields when flushed */
133 struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged
134 data exts */
135 struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged
136 attr exts */
137 unsigned int ili_pushbuf_flag; /* one bit used in push_ail */
138
139 #ifdef DEBUG
140 uint64_t ili_push_owner; /* one who sets pushbuf_flag
141 above gets to push the buf */
142 #endif
143 #ifdef XFS_TRANS_DEBUG
144 int ili_root_size;
145 char *ili_orig_root;
146 #endif
147 xfs_inode_log_format_t ili_format; /* logged structure */
148 } xfs_inode_log_item_t;
149
150
151 #define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w)
152 static inline int xfs_ilog_fdata(int w)
153 {
154 return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
155 }
156
157 #endif /* __KERNEL__ */
158
159 #define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w)
160 static inline int xfs_ilog_fbroot(int w)
161 {
162 return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
163 }
164
165 #define XFS_ILOG_FEXT(w) xfs_ilog_fext(w)
166 static inline int xfs_ilog_fext(int w)
167 {
168 return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
169 }
170
171 #ifdef __KERNEL__
172
173 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
174 extern void xfs_inode_item_destroy(struct xfs_inode *);
175 extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *);
176 extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *);
177 extern void xfs_iflush_abort(struct xfs_inode *);
178 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
179 xfs_inode_log_format_t *);
180
181 #endif /* __KERNEL__ */
182
183 #endif /* __XFS_INODE_ITEM_H__ */
184
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