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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 { | |
28 | unsigned short ilf_type; /* inode log item type */ | |
29 | unsigned short ilf_size; /* size of this item */ | |
30 | uint ilf_fields; /* flags for fields logged */ | |
31 | ushort ilf_asize; /* size of attr d/ext/root */ | |
32 | ushort ilf_dsize; /* size of data/ext/root */ | |
33 | xfs_ino_t ilf_ino; /* inode number */ | |
34 | union { | |
35 | xfs_dev_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 | int ilf_len; /* len of inode buffer */ | |
40 | int ilf_boffset; /* off of inode in buffer */ | |
41 | } xfs_inode_log_format_t; | |
42 | ||
6d192a9b TS |
43 | typedef struct xfs_inode_log_format_32 { |
44 | unsigned short ilf_type; /* 16: inode log item type */ | |
45 | unsigned short ilf_size; /* 16: size of this item */ | |
46 | uint ilf_fields; /* 32: flags for fields logged */ | |
47 | ushort ilf_asize; /* 32: size of attr d/ext/root */ | |
48 | ushort ilf_dsize; /* 32: size of data/ext/root */ | |
49 | xfs_ino_t ilf_ino; /* 64: inode number */ | |
1da177e4 | 50 | union { |
6d192a9b TS |
51 | xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/ |
52 | uuid_t ilfu_uuid; /* 128: mount point value */ | |
53 | } ilf_u; | |
54 | __int64_t ilf_blkno; /* 64: blkno of inode buffer */ | |
55 | int ilf_len; /* 32: len of inode buffer */ | |
56 | int ilf_boffset; /* 32: off of inode in buffer */ | |
57 | } __attribute__((packed)) xfs_inode_log_format_32_t; | |
58 | ||
59 | typedef struct xfs_inode_log_format_64 { | |
60 | unsigned short ilf_type; /* 16: inode log item type */ | |
61 | unsigned short ilf_size; /* 16: size of this item */ | |
62 | uint ilf_fields; /* 32: flags for fields logged */ | |
63 | ushort ilf_asize; /* 32: size of attr d/ext/root */ | |
64 | ushort ilf_dsize; /* 32: size of data/ext/root */ | |
65 | __uint32_t ilf_pad; /* 32: pad for 64 bit boundary */ | |
66 | xfs_ino_t ilf_ino; /* 64: inode number */ | |
67 | union { | |
68 | xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/ | |
69 | uuid_t ilfu_uuid; /* 128: mount point value */ | |
1da177e4 | 70 | } ilf_u; |
6d192a9b TS |
71 | __int64_t ilf_blkno; /* 64: blkno of inode buffer */ |
72 | int ilf_len; /* 32: len of inode buffer */ | |
73 | int ilf_boffset; /* 32: off of inode in buffer */ | |
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 | ||
89 | #define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ | |
90 | XFS_ILOG_DBROOT | XFS_ILOG_DEV | \ | |
91 | XFS_ILOG_UUID | XFS_ILOG_ADATA | \ | |
92 | XFS_ILOG_AEXT | XFS_ILOG_ABROOT) | |
93 | ||
94 | #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ | |
95 | XFS_ILOG_DBROOT) | |
96 | ||
97 | #define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ | |
98 | XFS_ILOG_ABROOT) | |
99 | ||
100 | #define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \ | |
101 | XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \ | |
102 | XFS_ILOG_DEV | XFS_ILOG_UUID | \ | |
103 | XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ | |
104 | XFS_ILOG_ABROOT) | |
105 | ||
106 | #define XFS_ILI_HOLD 0x1 | |
107 | #define XFS_ILI_IOLOCKED_EXCL 0x2 | |
108 | #define XFS_ILI_IOLOCKED_SHARED 0x4 | |
109 | ||
110 | #define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED) | |
111 | ||
112 | ||
113 | #ifdef __KERNEL__ | |
114 | ||
115 | struct xfs_buf; | |
116 | struct xfs_bmbt_rec_64; | |
117 | struct xfs_inode; | |
118 | struct xfs_mount; | |
119 | ||
120 | ||
121 | typedef struct xfs_inode_log_item { | |
122 | xfs_log_item_t ili_item; /* common portion */ | |
123 | struct xfs_inode *ili_inode; /* inode ptr */ | |
124 | xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ | |
125 | xfs_lsn_t ili_last_lsn; /* lsn at last transaction */ | |
126 | unsigned short ili_ilock_recur; /* lock recursion count */ | |
127 | unsigned short ili_iolock_recur; /* lock recursion count */ | |
128 | unsigned short ili_flags; /* misc flags */ | |
129 | unsigned short ili_logged; /* flushed logged data */ | |
130 | unsigned int ili_last_fields; /* fields when flushed */ | |
131 | struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged | |
132 | data exts */ | |
133 | struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged | |
134 | attr exts */ | |
135 | unsigned int ili_pushbuf_flag; /* one bit used in push_ail */ | |
136 | ||
137 | #ifdef DEBUG | |
138 | uint64_t ili_push_owner; /* one who sets pushbuf_flag | |
139 | above gets to push the buf */ | |
140 | #endif | |
141 | #ifdef XFS_TRANS_DEBUG | |
142 | int ili_root_size; | |
143 | char *ili_orig_root; | |
144 | #endif | |
145 | xfs_inode_log_format_t ili_format; /* logged structure */ | |
146 | } xfs_inode_log_item_t; | |
147 | ||
148 | ||
1da177e4 | 149 | #define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w) |
a844f451 NS |
150 | static inline int xfs_ilog_fdata(int w) |
151 | { | |
152 | return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA); | |
153 | } | |
1da177e4 LT |
154 | |
155 | #endif /* __KERNEL__ */ | |
156 | ||
1da177e4 | 157 | #define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w) |
a844f451 NS |
158 | static inline int xfs_ilog_fbroot(int w) |
159 | { | |
160 | return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT); | |
161 | } | |
162 | ||
1da177e4 | 163 | #define XFS_ILOG_FEXT(w) xfs_ilog_fext(w) |
a844f451 NS |
164 | static inline int xfs_ilog_fext(int w) |
165 | { | |
166 | return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT); | |
167 | } | |
1da177e4 LT |
168 | |
169 | #ifdef __KERNEL__ | |
170 | ||
a844f451 NS |
171 | extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); |
172 | extern void xfs_inode_item_destroy(struct xfs_inode *); | |
173 | extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *); | |
174 | extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *); | |
175 | extern void xfs_iflush_abort(struct xfs_inode *); | |
6d192a9b TS |
176 | extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, |
177 | xfs_inode_log_format_t *); | |
1da177e4 LT |
178 | |
179 | #endif /* __KERNEL__ */ | |
180 | ||
181 | #endif /* __XFS_INODE_ITEM_H__ */ |