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Diffstat (limited to 'fs/xfs/xfs_dir2_node.h')
| -rw-r--r-- | fs/xfs/xfs_dir2_node.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/fs/xfs/xfs_dir2_node.h b/fs/xfs/xfs_dir2_node.h deleted file mode 100644 index 96db420c7c5..00000000000 --- a/fs/xfs/xfs_dir2_node.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 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. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ - */ -#ifndef __XFS_DIR2_NODE_H__ -#define __XFS_DIR2_NODE_H__ - -/* - * Directory version 2, btree node format structures - */ - -struct uio; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_da_state; -struct xfs_da_state_blk; -struct xfs_inode; -struct xfs_trans; - -/* - * Constants. - */ - -/* - * Offset of the freespace index. - */ -#define XFS_DIR2_FREE_SPACE 2 -#define XFS_DIR2_FREE_OFFSET (XFS_DIR2_FREE_SPACE * XFS_DIR2_SPACE_SIZE) -#define XFS_DIR2_FREE_FIRSTDB(mp) \ - XFS_DIR2_BYTE_TO_DB(mp, XFS_DIR2_FREE_OFFSET) - -#define XFS_DIR2_FREE_MAGIC 0x58443246 /* XD2F */ - -/* - * Structures. - */ -typedef struct xfs_dir2_free_hdr { - __uint32_t magic; /* XFS_DIR2_FREE_MAGIC */ - __int32_t firstdb; /* db of first entry */ - __int32_t nvalid; /* count of valid entries */ - __int32_t nused; /* count of used entries */ -} xfs_dir2_free_hdr_t; - -typedef struct xfs_dir2_free { - xfs_dir2_free_hdr_t hdr; /* block header */ - xfs_dir2_data_off_t bests[1]; /* best free counts */ - /* unused entries are -1 */ -} xfs_dir2_free_t; -#define XFS_DIR2_MAX_FREE_BESTS(mp) \ - (((mp)->m_dirblksize - (uint)sizeof(xfs_dir2_free_hdr_t)) / \ - (uint)sizeof(xfs_dir2_data_off_t)) - -/* - * Macros. - */ - -/* - * Convert data space db to the corresponding free db. - */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_DB_TO_FDB) -xfs_dir2_db_t -xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db); -#define XFS_DIR2_DB_TO_FDB(mp,db) xfs_dir2_db_to_fdb(mp, db) -#else -#define XFS_DIR2_DB_TO_FDB(mp,db) \ - (XFS_DIR2_FREE_FIRSTDB(mp) + (db) / XFS_DIR2_MAX_FREE_BESTS(mp)) -#endif - -/* - * Convert data space db to the corresponding index in a free db. - */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_DB_TO_FDINDEX) -int -xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db); -#define XFS_DIR2_DB_TO_FDINDEX(mp,db) xfs_dir2_db_to_fdindex(mp, db) -#else -#define XFS_DIR2_DB_TO_FDINDEX(mp,db) ((db) % XFS_DIR2_MAX_FREE_BESTS(mp)) -#endif - -/* - * Functions. - */ - -extern void - xfs_dir2_free_log_bests(struct xfs_trans *tp, struct xfs_dabuf *bp, - int first, int last); - -extern int - xfs_dir2_leaf_to_node(struct xfs_da_args *args, struct xfs_dabuf *lbp); - -extern xfs_dahash_t - xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count); - -extern int - xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp, - struct xfs_da_args *args, int *indexp, - struct xfs_da_state *state); - -extern int - xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp, - struct xfs_dabuf *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); - -#endif /* __XFS_DIR2_NODE_H__ */ |