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Diffstat (limited to 'fs/xfs/xfs_ialloc_btree.h')
-rw-r--r--fs/xfs/xfs_ialloc_btree.h115
1 files changed, 0 insertions, 115 deletions
diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h
deleted file mode 100644
index 3ac36b7642e9..000000000000
--- a/fs/xfs/xfs_ialloc_btree.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (c) 2000,2005 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_IALLOC_BTREE_H__
-#define __XFS_IALLOC_BTREE_H__
-
-/*
- * Inode map on-disk structures
- */
-
-struct xfs_buf;
-struct xfs_btree_cur;
-struct xfs_mount;
-
-/*
- * There is a btree for the inode map per allocation group.
- */
-#define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */
-#define XFS_IBT_CRC_MAGIC 0x49414233 /* 'IAB3' */
-
-typedef __uint64_t xfs_inofree_t;
-#define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t))
-#define XFS_INODES_PER_CHUNK_LOG (XFS_NBBYLOG + 3)
-#define XFS_INOBT_ALL_FREE ((xfs_inofree_t)-1)
-#define XFS_INOBT_MASK(i) ((xfs_inofree_t)1 << (i))
-
-static inline xfs_inofree_t xfs_inobt_maskn(int i, int n)
-{
- return ((n >= XFS_INODES_PER_CHUNK ? 0 : XFS_INOBT_MASK(n)) - 1) << i;
-}
-
-/*
- * Data record structure
- */
-typedef struct xfs_inobt_rec {
- __be32 ir_startino; /* starting inode number */
- __be32 ir_freecount; /* count of free inodes (set bits) */
- __be64 ir_free; /* free inode mask */
-} xfs_inobt_rec_t;
-
-typedef struct xfs_inobt_rec_incore {
- xfs_agino_t ir_startino; /* starting inode number */
- __int32_t ir_freecount; /* count of free inodes (set bits) */
- xfs_inofree_t ir_free; /* free inode mask */
-} xfs_inobt_rec_incore_t;
-
-
-/*
- * Key structure
- */
-typedef struct xfs_inobt_key {
- __be32 ir_startino; /* starting inode number */
-} xfs_inobt_key_t;
-
-/* btree pointer type */
-typedef __be32 xfs_inobt_ptr_t;
-
-/*
- * block numbers in the AG.
- */
-#define XFS_IBT_BLOCK(mp) ((xfs_agblock_t)(XFS_CNT_BLOCK(mp) + 1))
-#define XFS_PREALLOC_BLOCKS(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1))
-
-/*
- * Btree block header size depends on a superblock flag.
- */
-#define XFS_INOBT_BLOCK_LEN(mp) \
- (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
- XFS_BTREE_SBLOCK_CRC_LEN : XFS_BTREE_SBLOCK_LEN)
-
-/*
- * Record, key, and pointer address macros for btree blocks.
- *
- * (note that some of these may appear unused, but they are used in userspace)
- */
-#define XFS_INOBT_REC_ADDR(mp, block, index) \
- ((xfs_inobt_rec_t *) \
- ((char *)(block) + \
- XFS_INOBT_BLOCK_LEN(mp) + \
- (((index) - 1) * sizeof(xfs_inobt_rec_t))))
-
-#define XFS_INOBT_KEY_ADDR(mp, block, index) \
- ((xfs_inobt_key_t *) \
- ((char *)(block) + \
- XFS_INOBT_BLOCK_LEN(mp) + \
- ((index) - 1) * sizeof(xfs_inobt_key_t)))
-
-#define XFS_INOBT_PTR_ADDR(mp, block, index, maxrecs) \
- ((xfs_inobt_ptr_t *) \
- ((char *)(block) + \
- XFS_INOBT_BLOCK_LEN(mp) + \
- (maxrecs) * sizeof(xfs_inobt_key_t) + \
- ((index) - 1) * sizeof(xfs_inobt_ptr_t)))
-
-extern struct xfs_btree_cur *xfs_inobt_init_cursor(struct xfs_mount *,
- struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t);
-extern int xfs_inobt_maxrecs(struct xfs_mount *, int, int);
-
-extern const struct xfs_buf_ops xfs_inobt_buf_ops;
-
-#endif /* __XFS_IALLOC_BTREE_H__ */