root/fs/xfs/libxfs/xfs_dir2_priv.h

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INCLUDED FROM


   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__ */

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