This source file includes following definitions.
- xfs_make_iptr
1
2
3
4
5
6 #ifndef __XFS_IALLOC_H__
7 #define __XFS_IALLOC_H__
8
9 struct xfs_buf;
10 struct xfs_dinode;
11 struct xfs_imap;
12 struct xfs_mount;
13 struct xfs_trans;
14 struct xfs_btree_cur;
15
16
17 #define XFS_INODE_BIG_CLUSTER_SIZE 8192
18
19 struct xfs_icluster {
20 bool deleted;
21 xfs_ino_t first_ino;
22 uint64_t alloc;
23
24 };
25
26
27
28
29 static inline struct xfs_dinode *
30 xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
31 {
32 return xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog);
33 }
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57 int
58 xfs_dialloc(
59 struct xfs_trans *tp,
60 xfs_ino_t parent,
61 umode_t mode,
62 struct xfs_buf **agbp,
63 xfs_ino_t *inop);
64
65
66
67
68
69
70
71 int
72 xfs_difree(
73 struct xfs_trans *tp,
74 xfs_ino_t inode,
75 struct xfs_icluster *ifree);
76
77
78
79
80 int
81 xfs_imap(
82 struct xfs_mount *mp,
83 struct xfs_trans *tp,
84 xfs_ino_t ino,
85 struct xfs_imap *imap,
86 uint flags);
87
88
89
90
91 void
92 xfs_ialloc_log_agi(
93 struct xfs_trans *tp,
94 struct xfs_buf *bp,
95 int fields);
96
97
98
99
100 int
101 xfs_ialloc_read_agi(
102 struct xfs_mount *mp,
103 struct xfs_trans *tp,
104 xfs_agnumber_t agno,
105 struct xfs_buf **bpp);
106
107
108
109
110
111 int
112 xfs_ialloc_pagi_init(
113 struct xfs_mount *mp,
114 struct xfs_trans *tp,
115 xfs_agnumber_t agno);
116
117
118
119
120 int xfs_inobt_lookup(struct xfs_btree_cur *cur, xfs_agino_t ino,
121 xfs_lookup_t dir, int *stat);
122
123
124
125
126 int xfs_inobt_get_rec(struct xfs_btree_cur *cur,
127 xfs_inobt_rec_incore_t *rec, int *stat);
128
129
130
131
132 int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp,
133 struct list_head *buffer_list, int icount,
134 xfs_agnumber_t agno, xfs_agblock_t agbno,
135 xfs_agblock_t length, unsigned int gen);
136
137 int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
138 xfs_agnumber_t agno, struct xfs_buf **bpp);
139
140 union xfs_btree_rec;
141 void xfs_inobt_btrec_to_irec(struct xfs_mount *mp, union xfs_btree_rec *rec,
142 struct xfs_inobt_rec_incore *irec);
143 int xfs_ialloc_has_inodes_at_extent(struct xfs_btree_cur *cur,
144 xfs_agblock_t bno, xfs_extlen_t len, bool *exists);
145 int xfs_ialloc_has_inode_record(struct xfs_btree_cur *cur, xfs_agino_t low,
146 xfs_agino_t high, bool *exists);
147 int xfs_ialloc_count_inodes(struct xfs_btree_cur *cur, xfs_agino_t *count,
148 xfs_agino_t *freecount);
149 int xfs_inobt_insert_rec(struct xfs_btree_cur *cur, uint16_t holemask,
150 uint8_t count, int32_t freecount, xfs_inofree_t free,
151 int *stat);
152
153 int xfs_ialloc_cluster_alignment(struct xfs_mount *mp);
154 void xfs_ialloc_setup_geometry(struct xfs_mount *mp);
155
156 #endif