xfs: decouple inode and bmap btree header files

[karo-tx-linux.git] / fs / xfs / xfs_bmap_btree.h

diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h
index e2b0768a89baf07484f928f0e4a6de5399ea16ea..6e42e1e50b89394e2c0a0a003c339ac03d127445 100644 (file)
--- a/fs/xfs/xfs_bmap_btree.h
+++ b/fs/xfs/xfs_bmap_btree.h
@@ -18,94 +18,12 @@
 #ifndef __XFS_BMAP_BTREE_H__
 #define __XFS_BMAP_BTREE_H__
 
-#define XFS_BMAP_MAGIC         0x424d4150      /* 'BMAP' */
-#define XFS_BMAP_CRC_MAGIC     0x424d4133      /* 'BMA3' */
-
 struct xfs_btree_cur;
 struct xfs_btree_block;
 struct xfs_mount;
 struct xfs_inode;
 struct xfs_trans;
 
-/*
- * Bmap root header, on-disk form only.
- */
-typedef struct xfs_bmdr_block {
-       __be16          bb_level;       /* 0 is a leaf */
-       __be16          bb_numrecs;     /* current # of data records */
-} xfs_bmdr_block_t;
-
-/*
- * Bmap btree record and extent descriptor.
- *  l0:63 is an extent flag (value 1 indicates non-normal).
- *  l0:9-62 are startoff.
- *  l0:0-8 and l1:21-63 are startblock.
- *  l1:0-20 are blockcount.
- */
-#define BMBT_EXNTFLAG_BITLEN   1
-#define BMBT_STARTOFF_BITLEN   54
-#define BMBT_STARTBLOCK_BITLEN 52
-#define BMBT_BLOCKCOUNT_BITLEN 21
-
-typedef struct xfs_bmbt_rec {
-       __be64                  l0, l1;
-} xfs_bmbt_rec_t;
-
-typedef __uint64_t     xfs_bmbt_rec_base_t;    /* use this for casts */
-typedef xfs_bmbt_rec_t xfs_bmdr_rec_t;
-
-typedef struct xfs_bmbt_rec_host {
-       __uint64_t              l0, l1;
-} xfs_bmbt_rec_host_t;
-
-/*
- * Values and macros for delayed-allocation startblock fields.
- */
-#define STARTBLOCKVALBITS      17
-#define STARTBLOCKMASKBITS     (15 + XFS_BIG_BLKNOS * 20)
-#define DSTARTBLOCKMASKBITS    (15 + 20)
-#define STARTBLOCKMASK         \
-       (((((xfs_fsblock_t)1) << STARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS)
-#define DSTARTBLOCKMASK                \
-       (((((xfs_dfsbno_t)1) << DSTARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS)
-
-static inline int isnullstartblock(xfs_fsblock_t x)
-{
-       return ((x) & STARTBLOCKMASK) == STARTBLOCKMASK;
-}
-
-static inline int isnulldstartblock(xfs_dfsbno_t x)
-{
-       return ((x) & DSTARTBLOCKMASK) == DSTARTBLOCKMASK;
-}
-
-static inline xfs_fsblock_t nullstartblock(int k)
-{
-       ASSERT(k < (1 << STARTBLOCKVALBITS));
-       return STARTBLOCKMASK | (k);
-}
-
-static inline xfs_filblks_t startblockval(xfs_fsblock_t x)
-{
-       return (xfs_filblks_t)((x) & ~STARTBLOCKMASK);
-}
-
-/*
- * Possible extent formats.
- */
-typedef enum {
-       XFS_EXTFMT_NOSTATE = 0,
-       XFS_EXTFMT_HASSTATE
-} xfs_exntfmt_t;
-
-/*
- * Possible extent states.
- */
-typedef enum {
-       XFS_EXT_NORM, XFS_EXT_UNWRITTEN,
-       XFS_EXT_DMAPI_OFFLINE, XFS_EXT_INVALID
-} xfs_exntst_t;
-
 /*
  * Extent state and extent format macros.
  */
@@ -114,27 +32,6 @@ typedef enum {
                XFS_EXTFMT_HASSTATE : XFS_EXTFMT_NOSTATE)
 #define ISUNWRITTEN(x) ((x)->br_state == XFS_EXT_UNWRITTEN)
 
-/*
- * Incore version of above.
- */
-typedef struct xfs_bmbt_irec
-{
-       xfs_fileoff_t   br_startoff;    /* starting file offset */
-       xfs_fsblock_t   br_startblock;  /* starting block number */
-       xfs_filblks_t   br_blockcount;  /* number of blocks */
-       xfs_exntst_t    br_state;       /* extent state */
-} xfs_bmbt_irec_t;
-
-/*
- * Key structure for non-leaf levels of the tree.
- */
-typedef struct xfs_bmbt_key {
-       __be64          br_startoff;    /* starting file offset */
-} xfs_bmbt_key_t, xfs_bmdr_key_t;
-
-/* btree pointer type */
-typedef __be64 xfs_bmbt_ptr_t, xfs_bmdr_ptr_t;
-
 /*
  * Btree block header size depends on a superblock flag.
  */