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.
*/
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__ */