xref: /openbmc/linux/fs/xfs/libxfs/xfs_dir2_priv.h (revision a44e4f3a)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
4  * All Rights Reserved.
5  */
6 #ifndef __XFS_DIR2_PRIV_H__
7 #define __XFS_DIR2_PRIV_H__
8 
9 struct dir_context;
10 
11 /* xfs_dir2.c */
12 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
13 				xfs_dir2_db_t *dbp);
14 extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
15 				const unsigned char *name, int len);
16 
17 
18 /* xfs_dir2_block.c */
19 extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
20 			       struct xfs_buf **bpp);
21 extern int xfs_dir2_block_addname(struct xfs_da_args *args);
22 extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
23 extern int xfs_dir2_block_removename(struct xfs_da_args *args);
24 extern int xfs_dir2_block_replace(struct xfs_da_args *args);
25 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
26 		struct xfs_buf *lbp, struct xfs_buf *dbp);
27 
28 /* xfs_dir2_data.c */
29 #ifdef DEBUG
30 extern void xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
31 #else
32 #define	xfs_dir3_data_check(dp,bp)
33 #endif
34 
35 extern xfs_failaddr_t __xfs_dir3_data_check(struct xfs_inode *dp,
36 		struct xfs_buf *bp);
37 extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
38 		xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
39 extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno,
40 		xfs_daddr_t mapped_bno);
41 
42 extern struct xfs_dir2_data_free *
43 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
44 		struct xfs_dir2_data_free *bf, struct xfs_dir2_data_unused *dup,
45 		int *loghead);
46 extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
47 		struct xfs_buf **bpp);
48 
49 /* xfs_dir2_leaf.c */
50 extern int xfs_dir3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
51 		xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
52 extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
53 		xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
54 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
55 		struct xfs_buf *dbp);
56 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
57 extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
58 		struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
59 extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
60 		struct xfs_dir2_leaf_entry *ents, int *indexp,
61 		int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
62 extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
63 		struct xfs_buf **bpp, uint16_t magic);
64 extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
65 		struct xfs_buf *bp, int first, int last);
66 extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
67 		struct xfs_buf *bp);
68 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
69 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
70 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
71 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
72 		struct xfs_buf *lbp);
73 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
74 		struct xfs_buf *lbp, xfs_dir2_db_t db);
75 extern struct xfs_dir2_leaf_entry *
76 xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
77 		struct xfs_dir2_leaf_entry *ents, int index, int compact,
78 		int lowstale, int highstale, int *lfloglow, int *lfloghigh);
79 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
80 
81 extern xfs_failaddr_t xfs_dir3_leaf_check_int(struct xfs_mount *mp,
82 		struct xfs_inode *dp, struct xfs_dir3_icleaf_hdr *hdr,
83 		struct xfs_dir2_leaf *leaf);
84 
85 /* xfs_dir2_node.c */
86 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
87 		struct xfs_buf *lbp);
88 extern xfs_dahash_t xfs_dir2_leaf_lasthash(struct xfs_inode *dp,
89 		struct xfs_buf *bp, int *count);
90 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
91 		struct xfs_da_args *args, int *indexp,
92 		struct xfs_da_state *state);
93 extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp,
94 		struct xfs_buf *leaf2_bp);
95 extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
96 	struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
97 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
98 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
99 		struct xfs_da_state_blk *drop_blk,
100 		struct xfs_da_state_blk *save_blk);
101 extern int xfs_dir2_node_addname(struct xfs_da_args *args);
102 extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
103 extern int xfs_dir2_node_removename(struct xfs_da_args *args);
104 extern int xfs_dir2_node_replace(struct xfs_da_args *args);
105 extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
106 		int *rvalp);
107 extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
108 		xfs_dablk_t fbno, struct xfs_buf **bpp);
109 
110 /* xfs_dir2_sf.c */
111 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
112 		struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
113 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
114 		int size, xfs_dir2_sf_hdr_t *sfhp);
115 extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
116 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
117 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
118 extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
119 extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
120 extern xfs_failaddr_t xfs_dir2_sf_verify(struct xfs_inode *ip);
121 
122 /* xfs_dir2_readdir.c */
123 extern int xfs_readdir(struct xfs_trans *tp, struct xfs_inode *dp,
124 		       struct dir_context *ctx, size_t bufsize);
125 
126 #endif /* __XFS_DIR2_PRIV_H__ */
127