1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18#ifndef __XFS_DIR2_PRIV_H__
19#define __XFS_DIR2_PRIV_H__
20
21struct dir_context;
22
23
24extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
25extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
26 xfs_dir2_db_t *dbp);
27extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
28 const unsigned char *name, int len);
29
30
31
32extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
33 struct xfs_buf **bpp);
34extern int xfs_dir2_block_addname(struct xfs_da_args *args);
35extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
36extern int xfs_dir2_block_removename(struct xfs_da_args *args);
37extern int xfs_dir2_block_replace(struct xfs_da_args *args);
38extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
39 struct xfs_buf *lbp, struct xfs_buf *dbp);
40
41
42#ifdef DEBUG
43#define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
44#else
45#define xfs_dir3_data_check(dp,bp)
46#endif
47
48extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
49extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
50 xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
51extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno,
52 xfs_daddr_t mapped_bno);
53
54extern struct xfs_dir2_data_free *
55xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
56 struct xfs_dir2_data_free *bf, struct xfs_dir2_data_unused *dup,
57 int *loghead);
58extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
59 struct xfs_buf **bpp);
60
61
62extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
63 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
64extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
65 struct xfs_buf *dbp);
66extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
67extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
68 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
69extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
70 struct xfs_dir2_leaf_entry *ents, int *indexp,
71 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
72extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
73 struct xfs_buf **bpp, __uint16_t magic);
74extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
75 struct xfs_buf *bp, int first, int last);
76extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
77 struct xfs_buf *bp);
78extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
79extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
80extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
81extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
82 struct xfs_buf *lbp);
83extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
84 struct xfs_buf *lbp, xfs_dir2_db_t db);
85extern struct xfs_dir2_leaf_entry *
86xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
87 struct xfs_dir2_leaf_entry *ents, int index, int compact,
88 int lowstale, int highstale, int *lfloglow, int *lfloghigh);
89extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
90
91extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp, struct xfs_inode *dp,
92 struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf);
93
94
95extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
96 struct xfs_buf *lbp);
97extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_inode *dp,
98 struct xfs_buf *bp, int *count);
99extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
100 struct xfs_da_args *args, int *indexp,
101 struct xfs_da_state *state);
102extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp,
103 struct xfs_buf *leaf2_bp);
104extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
105 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
106extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
107extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
108 struct xfs_da_state_blk *drop_blk,
109 struct xfs_da_state_blk *save_blk);
110extern int xfs_dir2_node_addname(struct xfs_da_args *args);
111extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
112extern int xfs_dir2_node_removename(struct xfs_da_args *args);
113extern int xfs_dir2_node_replace(struct xfs_da_args *args);
114extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
115 int *rvalp);
116extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
117 xfs_dablk_t fbno, struct xfs_buf **bpp);
118
119
120extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
121 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
122extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
123 int size, xfs_dir2_sf_hdr_t *sfhp);
124extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
125extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
126extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
127extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
128extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
129
130
131extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
132 size_t bufsize);
133
134#endif
135