libxfs: move header files

Move all the header files that are shared with userspace into
libxfs. This is done as one big chunk simpy to get it done quickly.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 0 insertions, 468 deletions

diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
deleted file mode 100644
index a04b694..0000000
--- a/fs/xfs/xfs_btree.h
+++ /dev/null
@@ -1,468 +0,0 @@
-/*
- * Copyright (c) 2000-2001,2005 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_BTREE_H__
-#define	__XFS_BTREE_H__
-
-struct xfs_buf;
-struct xfs_bmap_free;
-struct xfs_inode;
-struct xfs_mount;
-struct xfs_trans;
-
-extern kmem_zone_t	*xfs_btree_cur_zone;
-
-/*
- * Generic key, ptr and record wrapper structures.
- *
- * These are disk format structures, and are converted where necessary
- * by the btree specific code that needs to interpret them.
- */
-union xfs_btree_ptr {
-	__be32			s;	/* short form ptr */
-	__be64			l;	/* long form ptr */
-};
-
-union xfs_btree_key {
-	xfs_bmbt_key_t		bmbt;
-	xfs_bmdr_key_t		bmbr;	/* bmbt root block */
-	xfs_alloc_key_t		alloc;
-	xfs_inobt_key_t		inobt;
-};
-
-union xfs_btree_rec {
-	xfs_bmbt_rec_t		bmbt;
-	xfs_bmdr_rec_t		bmbr;	/* bmbt root block */
-	xfs_alloc_rec_t		alloc;
-	xfs_inobt_rec_t		inobt;
-};
-
-/*
- * This nonsense is to make -wlint happy.
- */
-#define	XFS_LOOKUP_EQ	((xfs_lookup_t)XFS_LOOKUP_EQi)
-#define	XFS_LOOKUP_LE	((xfs_lookup_t)XFS_LOOKUP_LEi)
-#define	XFS_LOOKUP_GE	((xfs_lookup_t)XFS_LOOKUP_GEi)
-
-#define	XFS_BTNUM_BNO	((xfs_btnum_t)XFS_BTNUM_BNOi)
-#define	XFS_BTNUM_CNT	((xfs_btnum_t)XFS_BTNUM_CNTi)
-#define	XFS_BTNUM_BMAP	((xfs_btnum_t)XFS_BTNUM_BMAPi)
-#define	XFS_BTNUM_INO	((xfs_btnum_t)XFS_BTNUM_INOi)
-#define	XFS_BTNUM_FINO	((xfs_btnum_t)XFS_BTNUM_FINOi)
-
-/*
- * For logging record fields.
- */
-#define	XFS_BB_MAGIC		(1 << 0)
-#define	XFS_BB_LEVEL		(1 << 1)
-#define	XFS_BB_NUMRECS		(1 << 2)
-#define	XFS_BB_LEFTSIB		(1 << 3)
-#define	XFS_BB_RIGHTSIB		(1 << 4)
-#define	XFS_BB_BLKNO		(1 << 5)
-#define	XFS_BB_LSN		(1 << 6)
-#define	XFS_BB_UUID		(1 << 7)
-#define	XFS_BB_OWNER		(1 << 8)
-#define	XFS_BB_NUM_BITS		5
-#define	XFS_BB_ALL_BITS		((1 << XFS_BB_NUM_BITS) - 1)
-#define	XFS_BB_NUM_BITS_CRC	9
-#define	XFS_BB_ALL_BITS_CRC	((1 << XFS_BB_NUM_BITS_CRC) - 1)
-
-/*
- * Generic stats interface
- */
-#define __XFS_BTREE_STATS_INC(type, stat) \
-	XFS_STATS_INC(xs_ ## type ## _2_ ## stat)
-#define XFS_BTREE_STATS_INC(cur, stat)  \
-do {    \
-	switch (cur->bc_btnum) {  \
-	case XFS_BTNUM_BNO: __XFS_BTREE_STATS_INC(abtb, stat); break;	\
-	case XFS_BTNUM_CNT: __XFS_BTREE_STATS_INC(abtc, stat); break;	\
-	case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(bmbt, stat); break;	\
-	case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(ibt, stat); break;	\
-	case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(fibt, stat); break;	\
-	case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break;	\
-	}       \
-} while (0)
-
-#define __XFS_BTREE_STATS_ADD(type, stat, val) \
-	XFS_STATS_ADD(xs_ ## type ## _2_ ## stat, val)
-#define XFS_BTREE_STATS_ADD(cur, stat, val)  \
-do {    \
-	switch (cur->bc_btnum) {  \
-	case XFS_BTNUM_BNO: __XFS_BTREE_STATS_ADD(abtb, stat, val); break; \
-	case XFS_BTNUM_CNT: __XFS_BTREE_STATS_ADD(abtc, stat, val); break; \
-	case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_ADD(bmbt, stat, val); break; \
-	case XFS_BTNUM_INO: __XFS_BTREE_STATS_ADD(ibt, stat, val); break; \
-	case XFS_BTNUM_FINO: __XFS_BTREE_STATS_ADD(fibt, stat, val); break; \
-	case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break;	\
-	}       \
-} while (0)
-
-#define	XFS_BTREE_MAXLEVELS	8	/* max of all btrees */
-
-struct xfs_btree_ops {
-	/* size of the key and record structures */
-	size_t	key_len;
-	size_t	rec_len;
-
-	/* cursor operations */
-	struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *);
-	void	(*update_cursor)(struct xfs_btree_cur *src,
-				 struct xfs_btree_cur *dst);
-
-	/* update btree root pointer */
-	void	(*set_root)(struct xfs_btree_cur *cur,
-			    union xfs_btree_ptr *nptr, int level_change);
-
-	/* block allocation / freeing */
-	int	(*alloc_block)(struct xfs_btree_cur *cur,
-			       union xfs_btree_ptr *start_bno,
-			       union xfs_btree_ptr *new_bno,
-			       int *stat);
-	int	(*free_block)(struct xfs_btree_cur *cur, struct xfs_buf *bp);
-
-	/* update last record information */
-	void	(*update_lastrec)(struct xfs_btree_cur *cur,
-				  struct xfs_btree_block *block,
-				  union xfs_btree_rec *rec,
-				  int ptr, int reason);
-
-	/* records in block/level */
-	int	(*get_minrecs)(struct xfs_btree_cur *cur, int level);
-	int	(*get_maxrecs)(struct xfs_btree_cur *cur, int level);
-
-	/* records on disk.  Matter for the root in inode case. */
-	int	(*get_dmaxrecs)(struct xfs_btree_cur *cur, int level);
-
-	/* init values of btree structures */
-	void	(*init_key_from_rec)(union xfs_btree_key *key,
-				     union xfs_btree_rec *rec);
-	void	(*init_rec_from_key)(union xfs_btree_key *key,
-				     union xfs_btree_rec *rec);
-	void	(*init_rec_from_cur)(struct xfs_btree_cur *cur,
-				     union xfs_btree_rec *rec);
-	void	(*init_ptr_from_cur)(struct xfs_btree_cur *cur,
-				     union xfs_btree_ptr *ptr);
-
-	/* difference between key value and cursor value */
-	__int64_t (*key_diff)(struct xfs_btree_cur *cur,
-			      union xfs_btree_key *key);
-
-	const struct xfs_buf_ops	*buf_ops;
-
-#if defined(DEBUG) || defined(XFS_WARN)
-	/* check that k1 is lower than k2 */
-	int	(*keys_inorder)(struct xfs_btree_cur *cur,
-				union xfs_btree_key *k1,
-				union xfs_btree_key *k2);
-
-	/* check that r1 is lower than r2 */
-	int	(*recs_inorder)(struct xfs_btree_cur *cur,
-				union xfs_btree_rec *r1,
-				union xfs_btree_rec *r2);
-#endif
-};
-
-/*
- * Reasons for the update_lastrec method to be called.
- */
-#define LASTREC_UPDATE	0
-#define LASTREC_INSREC	1
-#define LASTREC_DELREC	2
-
-
-/*
- * Btree cursor structure.
- * This collects all information needed by the btree code in one place.
- */
-typedef struct xfs_btree_cur
-{
-	struct xfs_trans	*bc_tp;	/* transaction we're in, if any */
-	struct xfs_mount	*bc_mp;	/* file system mount struct */
-	const struct xfs_btree_ops *bc_ops;
-	uint			bc_flags; /* btree features - below */
-	union {
-		xfs_alloc_rec_incore_t	a;
-		xfs_bmbt_irec_t		b;
-		xfs_inobt_rec_incore_t	i;
-	}		bc_rec;		/* current insert/search record value */
-	struct xfs_buf	*bc_bufs[XFS_BTREE_MAXLEVELS];	/* buf ptr per level */
-	int		bc_ptrs[XFS_BTREE_MAXLEVELS];	/* key/record # */
-	__uint8_t	bc_ra[XFS_BTREE_MAXLEVELS];	/* readahead bits */
-#define	XFS_BTCUR_LEFTRA	1	/* left sibling has been read-ahead */
-#define	XFS_BTCUR_RIGHTRA	2	/* right sibling has been read-ahead */
-	__uint8_t	bc_nlevels;	/* number of levels in the tree */
-	__uint8_t	bc_blocklog;	/* log2(blocksize) of btree blocks */
-	xfs_btnum_t	bc_btnum;	/* identifies which btree type */
-	union {
-		struct {			/* needed for BNO, CNT, INO */
-			struct xfs_buf	*agbp;	/* agf/agi buffer pointer */
-			xfs_agnumber_t	agno;	/* ag number */
-		} a;
-		struct {			/* needed for BMAP */
-			struct xfs_inode *ip;	/* pointer to our inode */
-			struct xfs_bmap_free *flist;	/* list to free after */
-			xfs_fsblock_t	firstblock;	/* 1st blk allocated */
-			int		allocated;	/* count of alloced */
-			short		forksize;	/* fork's inode space */
-			char		whichfork;	/* data or attr fork */
-			char		flags;		/* flags */
-#define	XFS_BTCUR_BPRV_WASDEL	1			/* was delayed */
-		} b;
-	}		bc_private;	/* per-btree type data */
-} xfs_btree_cur_t;
-
-/* cursor flags */
-#define XFS_BTREE_LONG_PTRS		(1<<0)	/* pointers are 64bits long */
-#define XFS_BTREE_ROOT_IN_INODE		(1<<1)	/* root may be variable size */
-#define XFS_BTREE_LASTREC_UPDATE	(1<<2)	/* track last rec externally */
-#define XFS_BTREE_CRC_BLOCKS		(1<<3)	/* uses extended btree blocks */
-
-
-#define	XFS_BTREE_NOERROR	0
-#define	XFS_BTREE_ERROR		1
-
-/*
- * Convert from buffer to btree block header.
- */
-#define	XFS_BUF_TO_BLOCK(bp)	((struct xfs_btree_block *)((bp)->b_addr))
-
-
-/*
- * Check that block header is ok.
- */
-int
-xfs_btree_check_block(
-	struct xfs_btree_cur	*cur,	/* btree cursor */
-	struct xfs_btree_block	*block,	/* generic btree block pointer */
-	int			level,	/* level of the btree block */
-	struct xfs_buf		*bp);	/* buffer containing block, if any */
-
-/*
- * Check that (long) pointer is ok.
- */
-int					/* error (0 or EFSCORRUPTED) */
-xfs_btree_check_lptr(
-	struct xfs_btree_cur	*cur,	/* btree cursor */
-	xfs_dfsbno_t		ptr,	/* btree block disk address */
-	int			level);	/* btree block level */
-
-/*
- * Delete the btree cursor.
- */
-void
-xfs_btree_del_cursor(
-	xfs_btree_cur_t		*cur,	/* btree cursor */
-	int			error);	/* del because of error */
-
-/*
- * Duplicate the btree cursor.
- * Allocate a new one, copy the record, re-get the buffers.
- */
-int					/* error */
-xfs_btree_dup_cursor(
-	xfs_btree_cur_t		*cur,	/* input cursor */
-	xfs_btree_cur_t		**ncur);/* output cursor */
-
-/*
- * Get a buffer for the block, return it with no data read.
- * Long-form addressing.
- */
-struct xfs_buf *				/* buffer for fsbno */
-xfs_btree_get_bufl(
-	struct xfs_mount	*mp,	/* file system mount point */
-	struct xfs_trans	*tp,	/* transaction pointer */
-	xfs_fsblock_t		fsbno,	/* file system block number */
-	uint			lock);	/* lock flags for get_buf */
-
-/*
- * Get a buffer for the block, return it with no data read.
- * Short-form addressing.
- */
-struct xfs_buf *				/* buffer for agno/agbno */
-xfs_btree_get_bufs(
-	struct xfs_mount	*mp,	/* file system mount point */
-	struct xfs_trans	*tp,	/* transaction pointer */
-	xfs_agnumber_t		agno,	/* allocation group number */
-	xfs_agblock_t		agbno,	/* allocation group block number */
-	uint			lock);	/* lock flags for get_buf */
-
-/*
- * Check for the cursor referring to the last block at the given level.
- */
-int					/* 1=is last block, 0=not last block */
-xfs_btree_islastblock(
-	xfs_btree_cur_t		*cur,	/* btree cursor */
-	int			level);	/* level to check */
-
-/*
- * Compute first and last byte offsets for the fields given.
- * Interprets the offsets table, which contains struct field offsets.
- */
-void
-xfs_btree_offsets(
-	__int64_t		fields,	/* bitmask of fields */
-	const short		*offsets,/* table of field offsets */
-	int			nbits,	/* number of bits to inspect */
-	int			*first,	/* output: first byte offset */
-	int			*last);	/* output: last byte offset */
-
-/*
- * Get a buffer for the block, return it read in.
- * Long-form addressing.
- */
-int					/* error */
-xfs_btree_read_bufl(
-	struct xfs_mount	*mp,	/* file system mount point */
-	struct xfs_trans	*tp,	/* transaction pointer */
-	xfs_fsblock_t		fsbno,	/* file system block number */
-	uint			lock,	/* lock flags for read_buf */
-	struct xfs_buf		**bpp,	/* buffer for fsbno */
-	int			refval,	/* ref count value for buffer */
-	const struct xfs_buf_ops *ops);
-
-/*
- * Read-ahead the block, don't wait for it, don't return a buffer.
- * Long-form addressing.
- */
-void					/* error */
-xfs_btree_reada_bufl(
-	struct xfs_mount	*mp,	/* file system mount point */
-	xfs_fsblock_t		fsbno,	/* file system block number */
-	xfs_extlen_t		count,	/* count of filesystem blocks */
-	const struct xfs_buf_ops *ops);
-
-/*
- * Read-ahead the block, don't wait for it, don't return a buffer.
- * Short-form addressing.
- */
-void					/* error */
-xfs_btree_reada_bufs(
-	struct xfs_mount	*mp,	/* file system mount point */
-	xfs_agnumber_t		agno,	/* allocation group number */
-	xfs_agblock_t		agbno,	/* allocation group block number */
-	xfs_extlen_t		count,	/* count of filesystem blocks */
-	const struct xfs_buf_ops *ops);
-
-/*
- * Initialise a new btree block header
- */
-void
-xfs_btree_init_block(
-	struct xfs_mount *mp,
-	struct xfs_buf	*bp,
-	__u32		magic,
-	__u16		level,
-	__u16		numrecs,
-	__u64		owner,
-	unsigned int	flags);
-
-void
-xfs_btree_init_block_int(
-	struct xfs_mount	*mp,
-	struct xfs_btree_block	*buf,
-	xfs_daddr_t		blkno,
-	__u32			magic,
-	__u16			level,
-	__u16			numrecs,
-	__u64			owner,
-	unsigned int		flags);
-
-/*
- * Common btree core entry points.
- */
-int xfs_btree_increment(struct xfs_btree_cur *, int, int *);
-int xfs_btree_decrement(struct xfs_btree_cur *, int, int *);
-int xfs_btree_lookup(struct xfs_btree_cur *, xfs_lookup_t, int *);
-int xfs_btree_update(struct xfs_btree_cur *, union xfs_btree_rec *);
-int xfs_btree_new_iroot(struct xfs_btree_cur *, int *, int *);
-int xfs_btree_insert(struct xfs_btree_cur *, int *);
-int xfs_btree_delete(struct xfs_btree_cur *, int *);
-int xfs_btree_get_rec(struct xfs_btree_cur *, union xfs_btree_rec **, int *);
-int xfs_btree_change_owner(struct xfs_btree_cur *cur, __uint64_t new_owner,
-			   struct list_head *buffer_list);
-
-/*
- * btree block CRC helpers
- */
-void xfs_btree_lblock_calc_crc(struct xfs_buf *);
-bool xfs_btree_lblock_verify_crc(struct xfs_buf *);
-void xfs_btree_sblock_calc_crc(struct xfs_buf *);
-bool xfs_btree_sblock_verify_crc(struct xfs_buf *);
-
-/*
- * Internal btree helpers also used by xfs_bmap.c.
- */
-void xfs_btree_log_block(struct xfs_btree_cur *, struct xfs_buf *, int);
-void xfs_btree_log_recs(struct xfs_btree_cur *, struct xfs_buf *, int, int);
-
-/*
- * Helpers.
- */
-static inline int xfs_btree_get_numrecs(struct xfs_btree_block *block)
-{
-	return be16_to_cpu(block->bb_numrecs);
-}
-
-static inline void xfs_btree_set_numrecs(struct xfs_btree_block *block,
-		__uint16_t numrecs)
-{
-	block->bb_numrecs = cpu_to_be16(numrecs);
-}
-
-static inline int xfs_btree_get_level(struct xfs_btree_block *block)
-{
-	return be16_to_cpu(block->bb_level);
-}
-
-
-/*
- * Min and max functions for extlen, agblock, fileoff, and filblks types.
- */
-#define	XFS_EXTLEN_MIN(a,b)	min_t(xfs_extlen_t, (a), (b))
-#define	XFS_EXTLEN_MAX(a,b)	max_t(xfs_extlen_t, (a), (b))
-#define	XFS_AGBLOCK_MIN(a,b)	min_t(xfs_agblock_t, (a), (b))
-#define	XFS_AGBLOCK_MAX(a,b)	max_t(xfs_agblock_t, (a), (b))
-#define	XFS_FILEOFF_MIN(a,b)	min_t(xfs_fileoff_t, (a), (b))
-#define	XFS_FILEOFF_MAX(a,b)	max_t(xfs_fileoff_t, (a), (b))
-#define	XFS_FILBLKS_MIN(a,b)	min_t(xfs_filblks_t, (a), (b))
-#define	XFS_FILBLKS_MAX(a,b)	max_t(xfs_filblks_t, (a), (b))
-
-#define	XFS_FSB_SANITY_CHECK(mp,fsb)	\
-	(XFS_FSB_TO_AGNO(mp, fsb) < mp->m_sb.sb_agcount && \
-		XFS_FSB_TO_AGBNO(mp, fsb) < mp->m_sb.sb_agblocks)
-
-/*
- * Trace hooks.  Currently not implemented as they need to be ported
- * over to the generic tracing functionality, which is some effort.
- *
- * i,j = integer (32 bit)
- * b = btree block buffer (xfs_buf_t)
- * p = btree ptr
- * r = btree record
- * k = btree key
- */
-#define	XFS_BTREE_TRACE_ARGBI(c, b, i)
-#define	XFS_BTREE_TRACE_ARGBII(c, b, i, j)
-#define	XFS_BTREE_TRACE_ARGI(c, i)
-#define	XFS_BTREE_TRACE_ARGIPK(c, i, p, s)
-#define	XFS_BTREE_TRACE_ARGIPR(c, i, p, r)
-#define	XFS_BTREE_TRACE_ARGIK(c, i, k)
-#define XFS_BTREE_TRACE_ARGR(c, r)
-#define	XFS_BTREE_TRACE_CURSOR(c, t)
-
-#endif	/* __XFS_BTREE_H__ */