/* btree block header type */
typedef struct xfs_btree_sblock xfs_alloc_block_t;
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_ALLOC_BLOCK)
-xfs_alloc_block_t *xfs_buf_to_alloc_block(struct xfs_buf *bp);
-#define XFS_BUF_TO_ALLOC_BLOCK(bp) xfs_buf_to_alloc_block(bp)
-#else
-#define XFS_BUF_TO_ALLOC_BLOCK(bp) ((xfs_alloc_block_t *)(XFS_BUF_PTR(bp)))
-#endif
+#define XFS_BUF_TO_ALLOC_BLOCK(bp) ((xfs_alloc_block_t *)XFS_BUF_PTR(bp))
/*
* Real block structures have a size equal to the disk block size.
*/
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ALLOC_BLOCK_SIZE)
-int xfs_alloc_block_size(int lev, struct xfs_btree_cur *cur);
-#define XFS_ALLOC_BLOCK_SIZE(lev,cur) xfs_alloc_block_size(lev,cur)
-#else
#define XFS_ALLOC_BLOCK_SIZE(lev,cur) (1 << (cur)->bc_blocklog)
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ALLOC_BLOCK_MAXRECS)
-int xfs_alloc_block_maxrecs(int lev, struct xfs_btree_cur *cur);
-#define XFS_ALLOC_BLOCK_MAXRECS(lev,cur) xfs_alloc_block_maxrecs(lev,cur)
-#else
-#define XFS_ALLOC_BLOCK_MAXRECS(lev,cur) \
- ((cur)->bc_mp->m_alloc_mxr[lev != 0])
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ALLOC_BLOCK_MINRECS)
-int xfs_alloc_block_minrecs(int lev, struct xfs_btree_cur *cur);
-#define XFS_ALLOC_BLOCK_MINRECS(lev,cur) xfs_alloc_block_minrecs(lev,cur)
-#else
-#define XFS_ALLOC_BLOCK_MINRECS(lev,cur) \
- ((cur)->bc_mp->m_alloc_mnr[lev != 0])
-#endif
+#define XFS_ALLOC_BLOCK_MAXRECS(lev,cur) ((cur)->bc_mp->m_alloc_mxr[lev != 0])
+#define XFS_ALLOC_BLOCK_MINRECS(lev,cur) ((cur)->bc_mp->m_alloc_mnr[lev != 0])
/*
* Minimum and maximum blocksize and sectorsize.
* Block numbers in the AG:
* SB is sector 0, AGF is sector 1, AGI is sector 2, AGFL is sector 3.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BNO_BLOCK)
-xfs_agblock_t xfs_bno_block(struct xfs_mount *mp);
-#define XFS_BNO_BLOCK(mp) xfs_bno_block(mp)
-#else
#define XFS_BNO_BLOCK(mp) ((xfs_agblock_t)(XFS_AGFL_BLOCK(mp) + 1))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CNT_BLOCK)
-xfs_agblock_t xfs_cnt_block(struct xfs_mount *mp);
-#define XFS_CNT_BLOCK(mp) xfs_cnt_block(mp)
-#else
#define XFS_CNT_BLOCK(mp) ((xfs_agblock_t)(XFS_BNO_BLOCK(mp) + 1))
-#endif
/*
* Record, key, and pointer address macros for btree blocks.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ALLOC_REC_ADDR)
-xfs_alloc_rec_t *xfs_alloc_rec_addr(xfs_alloc_block_t *bb, int i,
- struct xfs_btree_cur *cur);
-#define XFS_ALLOC_REC_ADDR(bb,i,cur) xfs_alloc_rec_addr(bb,i,cur)
-#else
#define XFS_ALLOC_REC_ADDR(bb,i,cur) \
- XFS_BTREE_REC_ADDR(XFS_ALLOC_BLOCK_SIZE(0,cur), xfs_alloc, bb, i, \
- XFS_ALLOC_BLOCK_MAXRECS(0, cur))
-#endif
+ XFS_BTREE_REC_ADDR(XFS_ALLOC_BLOCK_SIZE(0,cur), xfs_alloc, \
+ bb, i, XFS_ALLOC_BLOCK_MAXRECS(0, cur))
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ALLOC_KEY_ADDR)
-xfs_alloc_key_t *xfs_alloc_key_addr(xfs_alloc_block_t *bb, int i,
- struct xfs_btree_cur *cur);
-#define XFS_ALLOC_KEY_ADDR(bb,i,cur) xfs_alloc_key_addr(bb,i,cur)
-#else
#define XFS_ALLOC_KEY_ADDR(bb,i,cur) \
- XFS_BTREE_KEY_ADDR(XFS_ALLOC_BLOCK_SIZE(1,cur), xfs_alloc, bb, i, \
- XFS_ALLOC_BLOCK_MAXRECS(1, cur))
-#endif
+ XFS_BTREE_KEY_ADDR(XFS_ALLOC_BLOCK_SIZE(1,cur), xfs_alloc, \
+ bb, i, XFS_ALLOC_BLOCK_MAXRECS(1, cur))
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ALLOC_PTR_ADDR)
-xfs_alloc_ptr_t *xfs_alloc_ptr_addr(xfs_alloc_block_t *bb, int i,
- struct xfs_btree_cur *cur);
-#define XFS_ALLOC_PTR_ADDR(bb,i,cur) xfs_alloc_ptr_addr(bb,i,cur)
-#else
#define XFS_ALLOC_PTR_ADDR(bb,i,cur) \
- XFS_BTREE_PTR_ADDR(XFS_ALLOC_BLOCK_SIZE(1,cur), xfs_alloc, bb, i, \
- XFS_ALLOC_BLOCK_MAXRECS(1, cur))
-#endif
-
-/*
- * Prototypes for externally visible routines.
- */
+ XFS_BTREE_PTR_ADDR(XFS_ALLOC_BLOCK_SIZE(1,cur), xfs_alloc, \
+ bb, i, XFS_ALLOC_BLOCK_MAXRECS(1, cur))
/*
* Decrement cursor by one record at the level.
* For nonzero levels the leaf-ward information is untouched.
*/
-int /* error */
-xfs_alloc_decrement(
- struct xfs_btree_cur *cur, /* btree cursor */
- int level, /* level in btree, 0 is leaf */
- int *stat); /* success/failure */
+extern int xfs_alloc_decrement(struct xfs_btree_cur *cur, int level, int *stat);
/*
* Delete the record pointed to by cur.
* The cursor refers to the place where the record was (could be inserted)
* when the operation returns.
*/
-int /* error */
-xfs_alloc_delete(
- struct xfs_btree_cur *cur, /* btree cursor */
- int *stat); /* success/failure */
+extern int xfs_alloc_delete(struct xfs_btree_cur *cur, int *stat);
/*
* Get the data from the pointed-to record.
*/
-int /* error */
-xfs_alloc_get_rec(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agblock_t *bno, /* output: starting block of extent */
- xfs_extlen_t *len, /* output: length of extent */
- int *stat); /* output: success/failure */
+extern int xfs_alloc_get_rec(struct xfs_btree_cur *cur, xfs_agblock_t *bno,
+ xfs_extlen_t *len, int *stat);
/*
* Increment cursor by one record at the level.
* For nonzero levels the leaf-ward information is untouched.
*/
-int /* error */
-xfs_alloc_increment(
- struct xfs_btree_cur *cur, /* btree cursor */
- int level, /* level in btree, 0 is leaf */
- int *stat); /* success/failure */
+extern int xfs_alloc_increment(struct xfs_btree_cur *cur, int level, int *stat);
/*
* Insert the current record at the point referenced by cur.
* The cursor may be inconsistent on return if splits have been done.
*/
-int /* error */
-xfs_alloc_insert(
- struct xfs_btree_cur *cur, /* btree cursor */
- int *stat); /* success/failure */
+extern int xfs_alloc_insert(struct xfs_btree_cur *cur, int *stat);
/*
* Lookup the record equal to [bno, len] in the btree given by cur.
*/
-int /* error */
-xfs_alloc_lookup_eq(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agblock_t bno, /* starting block of extent */
- xfs_extlen_t len, /* length of extent */
- int *stat); /* success/failure */
+extern int xfs_alloc_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno,
+ xfs_extlen_t len, int *stat);
/*
* Lookup the first record greater than or equal to [bno, len]
* in the btree given by cur.
*/
-int /* error */
-xfs_alloc_lookup_ge(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agblock_t bno, /* starting block of extent */
- xfs_extlen_t len, /* length of extent */
- int *stat); /* success/failure */
+extern int xfs_alloc_lookup_ge(struct xfs_btree_cur *cur, xfs_agblock_t bno,
+ xfs_extlen_t len, int *stat);
/*
* Lookup the first record less than or equal to [bno, len]
* in the btree given by cur.
*/
-int /* error */
-xfs_alloc_lookup_le(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agblock_t bno, /* starting block of extent */
- xfs_extlen_t len, /* length of extent */
- int *stat); /* success/failure */
+extern int xfs_alloc_lookup_le(struct xfs_btree_cur *cur, xfs_agblock_t bno,
+ xfs_extlen_t len, int *stat);
/*
* Update the record referred to by cur, to the value given by [bno, len].
* This either works (return 0) or gets an EFSCORRUPTED error.
*/
-int /* error */
-xfs_alloc_update(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agblock_t bno, /* starting block of extent */
- xfs_extlen_t len); /* length of extent */
+extern int xfs_alloc_update(struct xfs_btree_cur *cur, xfs_agblock_t bno,
+ xfs_extlen_t len);
#endif /* __XFS_ALLOC_BTREE_H__ */
projects / deliverable / linux.git / blobdiff