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These are currently considered private to libxfs, but they are widely used by the userspace code to decode, walk and check directory structures. Hence they really form part of the external API and as such need to bemoved to xfs_dir2.h. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
134 lines
5.9 KiB
C
134 lines
5.9 KiB
C
/*
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* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_DIR2_PRIV_H__
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#define __XFS_DIR2_PRIV_H__
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struct dir_context;
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/* xfs_dir2.c */
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extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
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extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
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xfs_dir2_db_t *dbp);
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extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
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const unsigned char *name, int len);
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/* xfs_dir2_block.c */
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extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_buf **bpp);
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extern int xfs_dir2_block_addname(struct xfs_da_args *args);
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extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
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extern int xfs_dir2_block_removename(struct xfs_da_args *args);
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extern int xfs_dir2_block_replace(struct xfs_da_args *args);
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extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
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struct xfs_buf *lbp, struct xfs_buf *dbp);
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/* xfs_dir2_data.c */
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#ifdef DEBUG
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#define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
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#else
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#define xfs_dir3_data_check(dp,bp)
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#endif
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extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
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extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
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xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
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extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno,
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xfs_daddr_t mapped_bno);
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extern struct xfs_dir2_data_free *
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xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
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struct xfs_dir2_data_free *bf, struct xfs_dir2_data_unused *dup,
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int *loghead);
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extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
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struct xfs_buf **bpp);
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/* xfs_dir2_leaf.c */
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extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
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xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
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extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
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struct xfs_buf *dbp);
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extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
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extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
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struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
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extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
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struct xfs_dir2_leaf_entry *ents, int *indexp,
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int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
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extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
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struct xfs_buf **bpp, __uint16_t magic);
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extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
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struct xfs_buf *bp, int first, int last);
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extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
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struct xfs_buf *bp);
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extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
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extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
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extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
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extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
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struct xfs_buf *lbp);
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extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
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struct xfs_buf *lbp, xfs_dir2_db_t db);
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extern struct xfs_dir2_leaf_entry *
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xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
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struct xfs_dir2_leaf_entry *ents, int index, int compact,
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int lowstale, int highstale, int *lfloglow, int *lfloghigh);
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extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
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extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp, struct xfs_inode *dp,
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struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf);
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/* xfs_dir2_node.c */
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extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
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struct xfs_buf *lbp);
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extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_inode *dp,
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struct xfs_buf *bp, int *count);
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extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
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struct xfs_da_args *args, int *indexp,
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struct xfs_da_state *state);
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extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp,
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struct xfs_buf *leaf2_bp);
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extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
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struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
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extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
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extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
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struct xfs_da_state_blk *drop_blk,
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struct xfs_da_state_blk *save_blk);
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extern int xfs_dir2_node_addname(struct xfs_da_args *args);
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extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
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extern int xfs_dir2_node_removename(struct xfs_da_args *args);
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extern int xfs_dir2_node_replace(struct xfs_da_args *args);
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extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
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int *rvalp);
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extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
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xfs_dablk_t fbno, struct xfs_buf **bpp);
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/* xfs_dir2_sf.c */
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extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
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struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
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extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
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int size, xfs_dir2_sf_hdr_t *sfhp);
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extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
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extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
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extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
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extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
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extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
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/* xfs_dir2_readdir.c */
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extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
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size_t bufsize);
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#endif /* __XFS_DIR2_PRIV_H__ */
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