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TOMOYO Linux Cross Reference
Linux/fs/xfs/libxfs/xfs_dir2_priv.h

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  1 /*
  2  * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
  3  * All Rights Reserved.
  4  *
  5  * This program is free software; you can redistribute it and/or
  6  * modify it under the terms of the GNU General Public License as
  7  * published by the Free Software Foundation.
  8  *
  9  * This program is distributed in the hope that it would be useful,
 10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12  * GNU General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU General Public License
 15  * along with this program; if not, write the Free Software Foundation,
 16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 17  */
 18 #ifndef __XFS_DIR2_PRIV_H__
 19 #define __XFS_DIR2_PRIV_H__
 20 
 21 struct dir_context;
 22 
 23 /* xfs_dir2.c */
 24 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
 25                                 xfs_dir2_db_t *dbp);
 26 extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
 27                                 const unsigned char *name, int len);
 28 
 29 
 30 /* xfs_dir2_block.c */
 31 extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
 32                                struct xfs_buf **bpp);
 33 extern int xfs_dir2_block_addname(struct xfs_da_args *args);
 34 extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
 35 extern int xfs_dir2_block_removename(struct xfs_da_args *args);
 36 extern int xfs_dir2_block_replace(struct xfs_da_args *args);
 37 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
 38                 struct xfs_buf *lbp, struct xfs_buf *dbp);
 39 
 40 /* xfs_dir2_data.c */
 41 #ifdef DEBUG
 42 extern void xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
 43 #else
 44 #define xfs_dir3_data_check(dp,bp)
 45 #endif
 46 
 47 extern xfs_failaddr_t __xfs_dir3_data_check(struct xfs_inode *dp,
 48                 struct xfs_buf *bp);
 49 extern 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);
 51 extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno,
 52                 xfs_daddr_t mapped_bno);
 53 
 54 extern struct xfs_dir2_data_free *
 55 xfs_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);
 58 extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
 59                 struct xfs_buf **bpp);
 60 
 61 /* xfs_dir2_leaf.c */
 62 extern int xfs_dir3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
 63                 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
 64 extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
 65                 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
 66 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
 67                 struct xfs_buf *dbp);
 68 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
 69 extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
 70                 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
 71 extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
 72                 struct xfs_dir2_leaf_entry *ents, int *indexp,
 73                 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
 74 extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
 75                 struct xfs_buf **bpp, uint16_t magic);
 76 extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
 77                 struct xfs_buf *bp, int first, int last);
 78 extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
 79                 struct xfs_buf *bp);
 80 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
 81 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
 82 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
 83 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
 84                 struct xfs_buf *lbp);
 85 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
 86                 struct xfs_buf *lbp, xfs_dir2_db_t db);
 87 extern struct xfs_dir2_leaf_entry *
 88 xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
 89                 struct xfs_dir2_leaf_entry *ents, int index, int compact,
 90                 int lowstale, int highstale, int *lfloglow, int *lfloghigh);
 91 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
 92 
 93 extern xfs_failaddr_t xfs_dir3_leaf_check_int(struct xfs_mount *mp,
 94                 struct xfs_inode *dp, struct xfs_dir3_icleaf_hdr *hdr,
 95                 struct xfs_dir2_leaf *leaf);
 96 
 97 /* xfs_dir2_node.c */
 98 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
 99                 struct xfs_buf *lbp);
100 extern xfs_dahash_t xfs_dir2_leaf_lasthash(struct xfs_inode *dp,
101                 struct xfs_buf *bp, int *count);
102 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
103                 struct xfs_da_args *args, int *indexp,
104                 struct xfs_da_state *state);
105 extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp,
106                 struct xfs_buf *leaf2_bp);
107 extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
108         struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
109 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
110 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
111                 struct xfs_da_state_blk *drop_blk,
112                 struct xfs_da_state_blk *save_blk);
113 extern int xfs_dir2_node_addname(struct xfs_da_args *args);
114 extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
115 extern int xfs_dir2_node_removename(struct xfs_da_args *args);
116 extern int xfs_dir2_node_replace(struct xfs_da_args *args);
117 extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
118                 int *rvalp);
119 extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
120                 xfs_dablk_t fbno, struct xfs_buf **bpp);
121 
122 /* xfs_dir2_sf.c */
123 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
124                 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
125 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
126                 int size, xfs_dir2_sf_hdr_t *sfhp);
127 extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
128 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
129 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
130 extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
131 extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
132 extern xfs_failaddr_t xfs_dir2_sf_verify(struct xfs_inode *ip);
133 
134 /* xfs_dir2_readdir.c */
135 extern int xfs_readdir(struct xfs_trans *tp, struct xfs_inode *dp,
136                        struct dir_context *ctx, size_t bufsize);
137 
138 #endif /* __XFS_DIR2_PRIV_H__ */
139 

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