xfs: decouple inode and bmap btree header files

Currently the xfs_inode.h header has a dependency on the definition
of the BMAP btree records as the inode fork includes an array of
xfs_bmbt_rec_host_t objects in it's definition.

Move all the btree format definitions from xfs_btree.h,
xfs_bmap_btree.h, xfs_alloc_btree.h and xfs_ialloc_btree.h to
xfs_format.h to continue the process of centralising the on-disk
format definitions. With this done, the xfs inode definitions are no
longer dependent on btree header files.

The enables a massive culling of unnecessary includes, with close to
200 #include directives removed from the XFS kernel code base.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 0 insertions, 103 deletions

diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h
index e2b0768a89ba..6e42e1e50b89 100644
--- a/fs/xfs/xfs_bmap_btree.h
+++ b/fs/xfs/xfs_bmap_btree.h
@@ -18,9 +18,6 @@
 #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;
@@ -28,85 +25,6 @@ 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.
  */
 #define XFS_EXTFMT_INODE(x)     \
@@ -115,27 +33,6 @@ typedef enum {
 #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.
  */
 #define XFS_BMBT_BLOCK_LEN(mp) \