Commit | Line | Data |
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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 LT |
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. | |
1da177e4 LT |
26 | */ |
27 | typedef struct xfs_inode_log_format { | |
128dabc5 TS |
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 */ | |
1da177e4 | 34 | union { |
128dabc5 | 35 | __uint32_t ilfu_rdev; /* rdev value for dev inode*/ |
1da177e4 LT |
36 | uuid_t ilfu_uuid; /* mount point value */ |
37 | } ilf_u; | |
38 | __int64_t ilf_blkno; /* blkno of inode buffer */ | |
128dabc5 TS |
39 | __int32_t ilf_len; /* len of inode buffer */ |
40 | __int32_t ilf_boffset; /* off of inode in buffer */ | |
1da177e4 LT |
41 | } xfs_inode_log_format_t; |
42 | ||
6d192a9b | 43 | typedef struct xfs_inode_log_format_32 { |
128dabc5 TS |
44 | __uint16_t ilf_type; /* inode log item type */ |
45 | __uint16_t ilf_size; /* size of this item */ | |
46 | __uint32_t ilf_fields; /* flags for fields logged */ | |
47 | __uint16_t ilf_asize; /* size of attr d/ext/root */ | |
48 | __uint16_t ilf_dsize; /* size of data/ext/root */ | |
49 | __uint64_t ilf_ino; /* inode number */ | |
1da177e4 | 50 | union { |
128dabc5 TS |
51 | __uint32_t ilfu_rdev; /* rdev value for dev inode*/ |
52 | uuid_t ilfu_uuid; /* mount point value */ | |
6d192a9b | 53 | } ilf_u; |
128dabc5 TS |
54 | __int64_t ilf_blkno; /* blkno of inode buffer */ |
55 | __int32_t ilf_len; /* len of inode buffer */ | |
56 | __int32_t ilf_boffset; /* off of inode in buffer */ | |
6d192a9b TS |
57 | } __attribute__((packed)) xfs_inode_log_format_32_t; |
58 | ||
59 | typedef struct xfs_inode_log_format_64 { | |
128dabc5 TS |
60 | __uint16_t ilf_type; /* inode log item type */ |
61 | __uint16_t ilf_size; /* size of this item */ | |
62 | __uint32_t ilf_fields; /* flags for fields logged */ | |
63 | __uint16_t ilf_asize; /* size of attr d/ext/root */ | |
64 | __uint16_t ilf_dsize; /* size of data/ext/root */ | |
65 | __uint32_t ilf_pad; /* pad for 64 bit boundary */ | |
66 | __uint64_t ilf_ino; /* inode number */ | |
6d192a9b | 67 | union { |
128dabc5 TS |
68 | __uint32_t ilfu_rdev; /* rdev value for dev inode*/ |
69 | uuid_t ilfu_uuid; /* mount point value */ | |
1da177e4 | 70 | } ilf_u; |
128dabc5 TS |
71 | __int64_t ilf_blkno; /* blkno of inode buffer */ |
72 | __int32_t ilf_len; /* len of inode buffer */ | |
73 | __int32_t ilf_boffset; /* off of inode in buffer */ | |
6d192a9b | 74 | } xfs_inode_log_format_64_t; |
1da177e4 LT |
75 | |
76 | /* | |
77 | * Flags for xfs_trans_log_inode flags field. | |
78 | */ | |
79 | #define XFS_ILOG_CORE 0x001 /* log standard inode fields */ | |
80 | #define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */ | |
81 | #define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */ | |
82 | #define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */ | |
83 | #define XFS_ILOG_DEV 0x010 /* log the dev field */ | |
84 | #define XFS_ILOG_UUID 0x020 /* log the uuid field */ | |
85 | #define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */ | |
86 | #define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */ | |
87 | #define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */ | |
88 | ||
8f639dde CH |
89 | |
90 | /* | |
91 | * The timestamps are dirty, but not necessarily anything else in the inode | |
92 | * core. Unlike the other fields above this one must never make it to disk | |
93 | * in the ilf_fields of the inode_log_format, but is purely store in-memory in | |
94 | * ili_fields in the inode_log_item. | |
95 | */ | |
96 | #define XFS_ILOG_TIMESTAMP 0x4000 | |
97 | ||
1da177e4 LT |
98 | #define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ |
99 | XFS_ILOG_DBROOT | XFS_ILOG_DEV | \ | |
100 | XFS_ILOG_UUID | XFS_ILOG_ADATA | \ | |
101 | XFS_ILOG_AEXT | XFS_ILOG_ABROOT) | |
102 | ||
103 | #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ | |
104 | XFS_ILOG_DBROOT) | |
105 | ||
106 | #define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ | |
107 | XFS_ILOG_ABROOT) | |
108 | ||
109 | #define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \ | |
110 | XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \ | |
111 | XFS_ILOG_DEV | XFS_ILOG_UUID | \ | |
112 | XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ | |
8f639dde | 113 | XFS_ILOG_ABROOT | XFS_ILOG_TIMESTAMP) |
1da177e4 | 114 | |
847fff5c BN |
115 | static inline int xfs_ilog_fbroot(int w) |
116 | { | |
117 | return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT); | |
118 | } | |
119 | ||
847fff5c BN |
120 | static inline int xfs_ilog_fext(int w) |
121 | { | |
122 | return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT); | |
123 | } | |
124 | ||
847fff5c BN |
125 | static inline int xfs_ilog_fdata(int w) |
126 | { | |
127 | return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA); | |
128 | } | |
129 | ||
1da177e4 LT |
130 | #ifdef __KERNEL__ |
131 | ||
132 | struct xfs_buf; | |
a5f9be58 | 133 | struct xfs_bmbt_rec; |
1da177e4 LT |
134 | struct xfs_inode; |
135 | struct xfs_mount; | |
136 | ||
137 | ||
138 | typedef struct xfs_inode_log_item { | |
139 | xfs_log_item_t ili_item; /* common portion */ | |
140 | struct xfs_inode *ili_inode; /* inode ptr */ | |
141 | xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ | |
142 | xfs_lsn_t ili_last_lsn; /* lsn at last transaction */ | |
898621d5 | 143 | unsigned short ili_lock_flags; /* lock flags */ |
1da177e4 LT |
144 | unsigned short ili_logged; /* flushed logged data */ |
145 | unsigned int ili_last_fields; /* fields when flushed */ | |
f5d8d5c4 | 146 | unsigned int ili_fields; /* fields to be logged */ |
a5f9be58 | 147 | struct xfs_bmbt_rec *ili_extents_buf; /* array of logged |
1da177e4 | 148 | data exts */ |
a5f9be58 | 149 | struct xfs_bmbt_rec *ili_aextents_buf; /* array of logged |
1da177e4 | 150 | attr exts */ |
1da177e4 LT |
151 | xfs_inode_log_format_t ili_format; /* logged structure */ |
152 | } xfs_inode_log_item_t; | |
153 | ||
154 | ||
33540408 DC |
155 | static inline int xfs_inode_clean(xfs_inode_t *ip) |
156 | { | |
f5d8d5c4 | 157 | return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL); |
33540408 DC |
158 | } |
159 | ||
a844f451 NS |
160 | extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); |
161 | extern void xfs_inode_item_destroy(struct xfs_inode *); | |
ca30b2a7 CH |
162 | extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *); |
163 | extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *); | |
04913fdd | 164 | extern void xfs_iflush_abort(struct xfs_inode *, bool); |
6d192a9b TS |
165 | extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, |
166 | xfs_inode_log_format_t *); | |
1da177e4 LT |
167 | |
168 | #endif /* __KERNEL__ */ | |
169 | ||
170 | #endif /* __XFS_INODE_ITEM_H__ */ |