linux/fs/xfs/libxfs/xfs_dir2_priv.h
<<
>>
Prefs
   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
   9struct dir_context;
  10
  11/* xfs_dir2.c */
  12extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
  13                                xfs_dir2_db_t *dbp);
  14extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
  15                                const unsigned char *name, int len);
  16
  17
  18/* xfs_dir2_block.c */
  19extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
  20                               struct xfs_buf **bpp);
  21extern int xfs_dir2_block_addname(struct xfs_da_args *args);
  22extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
  23extern int xfs_dir2_block_removename(struct xfs_da_args *args);
  24extern int xfs_dir2_block_replace(struct xfs_da_args *args);
  25extern 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
  30extern 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
  35extern xfs_failaddr_t __xfs_dir3_data_check(struct xfs_inode *dp,
  36                struct xfs_buf *bp);
  37extern 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);
  39extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno,
  40                xfs_daddr_t mapped_bno);
  41
  42extern struct xfs_dir2_data_free *
  43xfs_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);
  46extern 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 */
  50extern 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);
  52extern 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);
  54extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
  55                struct xfs_buf *dbp);
  56extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
  57extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
  58                struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
  59extern 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);
  62extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
  63                struct xfs_buf **bpp, uint16_t magic);
  64extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
  65                struct xfs_buf *bp, int first, int last);
  66extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
  67                struct xfs_buf *bp);
  68extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
  69extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
  70extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
  71extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
  72                struct xfs_buf *lbp);
  73extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
  74                struct xfs_buf *lbp, xfs_dir2_db_t db);
  75extern struct xfs_dir2_leaf_entry *
  76xfs_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);
  79extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
  80
  81extern 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 */
  86extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
  87                struct xfs_buf *lbp);
  88extern xfs_dahash_t xfs_dir2_leaf_lasthash(struct xfs_inode *dp,
  89                struct xfs_buf *bp, int *count);
  90extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
  91                struct xfs_da_args *args, int *indexp,
  92                struct xfs_da_state *state);
  93extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp,
  94                struct xfs_buf *leaf2_bp);
  95extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
  96        struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
  97extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
  98extern 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);
 101extern int xfs_dir2_node_addname(struct xfs_da_args *args);
 102extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
 103extern int xfs_dir2_node_removename(struct xfs_da_args *args);
 104extern int xfs_dir2_node_replace(struct xfs_da_args *args);
 105extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
 106                int *rvalp);
 107extern 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 */
 111extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
 112                struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
 113extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
 114                int size, xfs_dir2_sf_hdr_t *sfhp);
 115extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
 116extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
 117extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
 118extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
 119extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
 120extern xfs_failaddr_t xfs_dir2_sf_verify(struct xfs_inode *ip);
 121
 122/* xfs_dir2_readdir.c */
 123extern 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