107 lines
4.2 KiB
C
107 lines
4.2 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_H__
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#define __XFS_DIR2_H__
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struct xfs_bmap_free;
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struct xfs_da_args;
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struct xfs_inode;
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struct xfs_mount;
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struct xfs_trans;
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struct xfs_dir2_sf_hdr;
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struct xfs_dir2_sf_entry;
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struct xfs_dir2_data_hdr;
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struct xfs_dir2_data_entry;
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struct xfs_dir2_data_unused;
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extern struct xfs_name xfs_name_dotdot;
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/*
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* Generic directory interface routines
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*/
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extern void xfs_dir_startup(void);
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extern void xfs_dir_mount(struct xfs_mount *mp);
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extern int xfs_dir_isempty(struct xfs_inode *dp);
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extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_inode *pdp);
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extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_name *name, xfs_ino_t inum,
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xfs_fsblock_t *first,
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struct xfs_bmap_free *flist, xfs_extlen_t tot);
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extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_name *name, xfs_ino_t *inum,
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struct xfs_name *ci_name);
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extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_name *name, xfs_ino_t ino,
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xfs_fsblock_t *first,
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struct xfs_bmap_free *flist, xfs_extlen_t tot);
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extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_name *name, xfs_ino_t inum,
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xfs_fsblock_t *first,
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struct xfs_bmap_free *flist, xfs_extlen_t tot);
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extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
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struct xfs_name *name, uint resblks);
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/*
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* Direct call from the bmap code, bypassing the generic directory layer.
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*/
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extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
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/*
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* Interface routines used by userspace utilities
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*/
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extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
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extern void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *sfp,
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xfs_ino_t ino);
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extern xfs_ino_t xfs_dir3_sfe_get_ino(struct xfs_mount *mp,
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struct xfs_dir2_sf_hdr *sfp, struct xfs_dir2_sf_entry *sfep);
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extern void xfs_dir3_sfe_put_ino(struct xfs_mount *mp,
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struct xfs_dir2_sf_hdr *hdr, struct xfs_dir2_sf_entry *sfep,
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xfs_ino_t ino);
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extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
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extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
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extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
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struct xfs_buf *bp);
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extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
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struct xfs_dir2_data_hdr *hdr, int *loghead);
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extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp,
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struct xfs_dir2_data_entry *dep);
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extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
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struct xfs_buf *bp);
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extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
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struct xfs_dir2_data_unused *dup);
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extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp,
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xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
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int *needlogp, int *needscanp);
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extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp,
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struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset,
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xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
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extern struct xfs_dir2_data_free *xfs_dir2_data_freefind(
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struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_unused *dup);
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extern const struct xfs_buf_ops xfs_dir3_block_buf_ops;
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extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops;
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extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops;
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extern const struct xfs_buf_ops xfs_dir3_free_buf_ops;
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extern const struct xfs_buf_ops xfs_dir3_data_buf_ops;
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#endif /* __XFS_DIR2_H__ */
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