text: /*
   * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
   * All Rights Reserved.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it would be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write the Free Software Foundation,
   * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   */
  #ifndef __XFS_DIR2_PRIV_H__
  #define __XFS_DIR2_PRIV_H__
  
  /* xfs_dir2.c */
  extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
  extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
  extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
  extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
  				xfs_dir2_db_t *dbp);
  extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
  				struct xfs_buf *bp);
  extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
  				const unsigned char *name, int len);
  
  /* xfs_dir2_block.c */
  extern int xfs_dir2_block_addname(struct xfs_da_args *args);
  extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
  		xfs_off_t *offset, filldir_t filldir);
  extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
  extern int xfs_dir2_block_removename(struct xfs_da_args *args);
  extern int xfs_dir2_block_replace(struct xfs_da_args *args);
  extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
  		struct xfs_buf *lbp, struct xfs_buf *dbp);
  
  /* xfs_dir2_data.c */
  #ifdef DEBUG
  extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
  #else
  #define	xfs_dir2_data_check(dp,bp)
  #endif
  extern struct xfs_dir2_data_free *
  xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
  		struct xfs_dir2_data_unused *dup, int *loghead);
  extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
  		struct xfs_dir2_data_hdr *hdr, int *loghead);
  extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
  		struct xfs_buf **bpp);
  extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp,
  		struct xfs_dir2_data_entry *dep);
  extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
  		struct xfs_buf *bp);
  extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
  		struct xfs_dir2_data_unused *dup);
  extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp,
  		xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
  		int *needlogp, int *needscanp);
  extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp,
  		struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset,
  		xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
  
  /* xfs_dir2_leaf.c */
  extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
  		struct xfs_buf *dbp);
  extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
  extern void xfs_dir2_leaf_compact(struct xfs_da_args *args,
  		struct xfs_buf *bp);
  extern void xfs_dir2_leaf_compact_x1(struct xfs_buf *bp, int *indexp,
  		int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
  extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
  		size_t bufsize, xfs_off_t *offset, filldir_t filldir);
  extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno,
  		struct xfs_buf **bpp, int magic);
  extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp,
  		int first, int last);
  extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
  		struct xfs_buf *bp);
  extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
  extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
  extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
  extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
  		struct xfs_buf *lbp);
  extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
  		struct xfs_buf *lbp, xfs_dir2_db_t db);
  extern struct xfs_dir2_leaf_entry *
  xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact,
  		int lowstale, int highstale,
  		int *lfloglow, int *lfloghigh);
  extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
  
  /* xfs_dir2_node.c */
  extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
  		struct xfs_buf *lbp);
  extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count);
  extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
  		struct xfs_da_args *args, int *indexp,
  		struct xfs_da_state *state);
  extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp,
  		struct xfs_buf *leaf2_bp);
  extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
  	struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
  extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
  extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
  		struct xfs_da_state_blk *drop_blk,
  		struct xfs_da_state_blk *save_blk);
  extern int xfs_dir2_node_addname(struct xfs_da_args *args);
  extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
  extern int xfs_dir2_node_removename(struct xfs_da_args *args);
  extern int xfs_dir2_node_replace(struct xfs_da_args *args);
  extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
  		int *rvalp);
  
  /* xfs_dir2_sf.c */
  extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
  extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
  		struct xfs_dir2_sf_entry *sfep);
  extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
  		struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
  extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
  		int size, xfs_dir2_sf_hdr_t *sfhp);
  extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
  extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
  extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
  		xfs_off_t *offset, filldir_t filldir);
  extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
  extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
  extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
  
  #endif /* __XFS_DIR2_PRIV_H__ */
  