[XFS] mark various functions in xfs_btree.c static

Lots of functionality in xfs_btree.c isn't needed by callers outside of
this file anymore, so mark these functions static.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32209a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>

fs/xfs/xfs_btree.c

@@ -87,7 +87,7 @@ xfs_btree_check_lblock(
 	return 0;
 }
 
-int					/* error (0 or EFSCORRUPTED) */
+STATIC int				/* error (0 or EFSCORRUPTED) */
 xfs_btree_check_sblock(
 	struct xfs_btree_cur	*cur,	/* btree cursor */
 	struct xfs_btree_sblock	*block,	/* btree short form block pointer */
@@ -163,7 +163,7 @@ xfs_btree_check_lptr(
 /*
  * Check that (short) pointer is ok.
  */
-int					/* error (0 or EFSCORRUPTED) */
+STATIC int				/* error (0 or EFSCORRUPTED) */
 xfs_btree_check_sptr(
 	struct xfs_btree_cur	*cur,	/* btree cursor */
 	xfs_agblock_t		bno,	/* btree block disk address */
@@ -182,7 +182,7 @@ xfs_btree_check_sptr(
 /*
  * Check that block ptr is ok.
  */
-int					/* error (0 or EFSCORRUPTED) */
+STATIC int				/* error (0 or EFSCORRUPTED) */
 xfs_btree_check_ptr(
 	struct xfs_btree_cur	*cur,	/* btree cursor */
 	union xfs_btree_ptr	*ptr,	/* btree block disk address */
@@ -523,7 +523,7 @@ xfs_btree_islastblock(
  * Change the cursor to point to the first record at the given level.
  * Other levels are unaffected.
  */
-int					/* success=1, failure=0 */
+STATIC int				/* success=1, failure=0 */
 xfs_btree_firstrec(
 	xfs_btree_cur_t		*cur,	/* btree cursor */
 	int			level)	/* level to change */
@@ -552,7 +552,7 @@ xfs_btree_firstrec(
  * Change the cursor to point to the last record in the current block
  * at the given level.  Other levels are unaffected.
  */
-int					/* success=1, failure=0 */
+STATIC int				/* success=1, failure=0 */
 xfs_btree_lastrec(
 	xfs_btree_cur_t		*cur,	/* btree cursor */
 	int			level)	/* level to change */
@@ -775,7 +775,7 @@ xfs_btree_readahead_sblock(
  * Read-ahead btree blocks, at the given level.
  * Bits in lr are set from XFS_BTCUR_{LEFT,RIGHT}RA.
  */
-int
+STATIC int
 xfs_btree_readahead(
 	struct xfs_btree_cur	*cur,		/* btree cursor */
 	int			lev,		/* level in btree */
@@ -1711,7 +1711,7 @@ error0:
 /*
  * Update keys at all levels from here to the root along the cursor's path.
  */
-int
+STATIC int
 xfs_btree_updkey(
 	struct xfs_btree_cur	*cur,
 	union xfs_btree_key	*keyp,
@@ -1821,7 +1821,7 @@ error0:
  * Move 1 record left from cur/level if possible.
  * Update cur to reflect the new path.
  */
-int					/* error */
+STATIC int					/* error */
 xfs_btree_lshift(
 	struct xfs_btree_cur	*cur,
 	int			level,
@@ -2004,7 +2004,7 @@ error0:
  * Move 1 record right from cur/level if possible.
  * Update cur to reflect the new path.
  */
-int					/* error */
+STATIC int					/* error */
 xfs_btree_rshift(
 	struct xfs_btree_cur	*cur,
 	int			level,
@@ -2180,7 +2180,7 @@ error1:
  * Return new block number and the key to its first
  * record (to be inserted into parent).
  */
-int						/* error */
+STATIC int					/* error */
 xfs_btree_split(
 	struct xfs_btree_cur	*cur,
 	int			level,
@@ -2465,7 +2465,7 @@ error0:
 /*
  * Allocate a new root block, fill it in.
  */
-int				/* error */
+STATIC int				/* error */
 xfs_btree_new_root(
 	struct xfs_btree_cur	*cur,	/* btree cursor */
 	int			*stat)	/* success/failure */

fs/xfs/xfs_btree.h

@@ -339,16 +339,6 @@ xfs_btree_check_lblock(
 	int			level,	/* level of the btree block */
 	struct xfs_buf		*bp);	/* buffer containing block, if any */
 
-/*
- * Check that short form block header is ok.
- */
-int					/* error (0 or EFSCORRUPTED) */
-xfs_btree_check_sblock(
-	struct xfs_btree_cur	*cur,	/* btree cursor */
-	struct xfs_btree_sblock	*block,	/* btree short form block pointer */
-	int			level,	/* level of the btree block */
-	struct xfs_buf		*bp);	/* buffer containing block */
-
 /*
  * Check that block header is ok.
  */
@@ -368,29 +358,6 @@ xfs_btree_check_lptr(
 	xfs_dfsbno_t		ptr,	/* btree block disk address */
 	int			level);	/* btree block level */
 
-#define xfs_btree_check_lptr_disk(cur, ptr, level) \
-	xfs_btree_check_lptr(cur, be64_to_cpu(ptr), level)
-
-
-/*
- * Check that (short) pointer is ok.
- */
-int					/* error (0 or EFSCORRUPTED) */
-xfs_btree_check_sptr(
-	struct xfs_btree_cur	*cur,	/* btree cursor */
-	xfs_agblock_t		ptr,	/* btree block disk address */
-	int			level);	/* btree block level */
-
-/*
- * Check that (short) pointer is ok.
- */
-int					/* error (0 or EFSCORRUPTED) */
-xfs_btree_check_ptr(
-	struct xfs_btree_cur	*cur,	/* btree cursor */
-	union xfs_btree_ptr	*ptr,	/* btree block disk address */
-	int			index,	/* offset from ptr to check */
-	int			level);	/* btree block level */
-
 /*
  * Delete the btree cursor.
  */
@@ -408,15 +375,6 @@ xfs_btree_dup_cursor(
 	xfs_btree_cur_t		*cur,	/* input cursor */
 	xfs_btree_cur_t		**ncur);/* output cursor */
 
-/*
- * Change the cursor to point to the first record in the current block
- * at the given level.  Other levels are unaffected.
- */
-int					/* success=1, failure=0 */
-xfs_btree_firstrec(
-	xfs_btree_cur_t		*cur,	/* btree cursor */
-	int			level);	/* level to change */
-
 /*
  * Get a buffer for the block, return it with no data read.
  * Long-form addressing.
@@ -448,15 +406,6 @@ xfs_btree_islastblock(
 	xfs_btree_cur_t		*cur,	/* btree cursor */
 	int			level);	/* level to check */
 
-/*
- * Change the cursor to point to the last record in the current block
- * at the given level.  Other levels are unaffected.
- */
-int					/* success=1, failure=0 */
-xfs_btree_lastrec(
-	xfs_btree_cur_t		*cur,	/* btree cursor */
-	int			level);	/* level to change */
-
 /*
  * Compute first and last byte offsets for the fields given.
  * Interprets the offsets table, which contains struct field offsets.
@@ -517,16 +466,6 @@ xfs_btree_reada_bufs(
 	xfs_agblock_t		agbno,	/* allocation group block number */
 	xfs_extlen_t		count);	/* count of filesystem blocks */
 
-/*
- * Read-ahead btree blocks, at the given level.
- * Bits in lr are set from XFS_BTCUR_{LEFT,RIGHT}RA.
- */
-int					/* readahead block count */
-xfs_btree_readahead(
-	xfs_btree_cur_t		*cur,	/* btree cursor */
-	int			lev,	/* level in btree */
-	int			lr);	/* left/right bits */
-
 /*
  * Set the buffer for level "lev" in the cursor to bp, releasing
  * any previous buffer.
@@ -544,13 +483,7 @@ xfs_btree_setbuf(
 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_updkey(struct xfs_btree_cur *, union xfs_btree_key *, int);
 int xfs_btree_update(struct xfs_btree_cur *, union xfs_btree_rec *);
-int xfs_btree_lshift(struct xfs_btree_cur *, int, int *);
-int xfs_btree_rshift(struct xfs_btree_cur *, int, int *);
-int xfs_btree_split(struct xfs_btree_cur *, int, union xfs_btree_ptr *,
-		union xfs_btree_key *, struct xfs_btree_cur **, int *);
-int xfs_btree_new_root(struct xfs_btree_cur *, int *);
 int xfs_btree_new_iroot(struct xfs_btree_cur *, int *, int *);
 int xfs_btree_kill_iroot(struct xfs_btree_cur *);
 int xfs_btree_insert(struct xfs_btree_cur *, int *);