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Diffstat (limited to 'db2/btree/bt_split.c')
-rw-r--r--db2/btree/bt_split.c212
1 files changed, 114 insertions, 98 deletions
diff --git a/db2/btree/bt_split.c b/db2/btree/bt_split.c
index da9417c781..1d8e926d85 100644
--- a/db2/btree/bt_split.c
+++ b/db2/btree/bt_split.c
@@ -44,7 +44,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)bt_split.c	10.23 (Sleepycat) 5/23/98";
+static const char sccsid[] = "@(#)bt_split.c	10.33 (Sleepycat) 10/13/98";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -59,27 +59,31 @@ static const char sccsid[] = "@(#)bt_split.c	10.23 (Sleepycat) 5/23/98";
 #include "db_page.h"
 #include "btree.h"
 
-static int __bam_page __P((DB *, EPG *, EPG *));
-static int __bam_pinsert __P((DB *, EPG *, PAGE *, PAGE *));
-static int __bam_psplit __P((DB *, EPG *, PAGE *, PAGE *, int));
-static int __bam_root __P((DB *, EPG *));
+static int __bam_broot __P((DBC *, PAGE *, PAGE *, PAGE *));
+static int __bam_page __P((DBC *, EPG *, EPG *));
+static int __bam_pinsert __P((DBC *, EPG *, PAGE *, PAGE *));
+static int __bam_psplit __P((DBC *, EPG *, PAGE *, PAGE *, db_indx_t *));
+static int __bam_root __P((DBC *, EPG *));
+static int __ram_root __P((DBC *, PAGE *, PAGE *, PAGE *));
 
 /*
  * __bam_split --
  *	Split a page.
  *
- * PUBLIC: int __bam_split __P((DB *, void *));
+ * PUBLIC: int __bam_split __P((DBC *, void *));
  */
 int
-__bam_split(dbp, arg)
-	DB *dbp;
+__bam_split(dbc, arg)
+	DBC *dbc;
 	void *arg;
 {
-	BTREE *t;
+	CURSOR *cp;
+	DB *dbp;
 	enum { UP, DOWN } dir;
 	int exact, level, ret;
 
-	t = dbp->internal;
+	dbp = dbc->dbp;
+	cp = dbc->internal;
 
 	/*
 	 * The locking protocol we use to avoid deadlock to acquire locks by
@@ -113,15 +117,16 @@ __bam_split(dbp, arg)
 		 * Acquire a page and its parent, locked.
 		 */
 		if ((ret = (dbp->type == DB_BTREE ?
-		    __bam_search(dbp, arg, S_WRPAIR, level, NULL, &exact) :
-		    __bam_rsearch(dbp,
+		    __bam_search(dbc, arg, S_WRPAIR, level, NULL, &exact) :
+		    __bam_rsearch(dbc,
 		        (db_recno_t *)arg, S_WRPAIR, level, &exact))) != 0)
 			return (ret);
 
 		/* Split the page. */
-		ret = t->bt_csp[0].page->pgno == PGNO_ROOT ?
-		    __bam_root(dbp, &t->bt_csp[0]) :
-		    __bam_page(dbp, &t->bt_csp[-1], &t->bt_csp[0]);
+		ret = cp->csp[0].page->pgno == PGNO_ROOT ?
+		    __bam_root(dbc, &cp->csp[0]) :
+		    __bam_page(dbc, &cp->csp[-1], &cp->csp[0]);
+		BT_STK_CLR(cp);
 
 		switch (ret) {
 		case 0:
@@ -155,15 +160,16 @@ __bam_split(dbp, arg)
  *	Split the root page of a btree.
  */
 static int
-__bam_root(dbp, cp)
-	DB *dbp;
+__bam_root(dbc, cp)
+	DBC *dbc;
 	EPG *cp;
 {
-	BTREE *t;
+	DB *dbp;
 	PAGE *lp, *rp;
+	db_indx_t split;
 	int ret;
 
-	t = dbp->internal;
+	dbp = dbc->dbp;
 
 	/* Yeah, right. */
 	if (cp->page->level >= MAXBTREELEVEL) {
@@ -173,8 +179,8 @@ __bam_root(dbp, cp)
 
 	/* Create new left and right pages for the split. */
 	lp = rp = NULL;
-	if ((ret = __bam_new(dbp, TYPE(cp->page), &lp)) != 0 ||
-	    (ret = __bam_new(dbp, TYPE(cp->page), &rp)) != 0)
+	if ((ret = __bam_new(dbc, TYPE(cp->page), &lp)) != 0 ||
+	    (ret = __bam_new(dbc, TYPE(cp->page), &rp)) != 0)
 		goto err;
 	P_INIT(lp, dbp->pgsize, lp->pgno,
 	    PGNO_INVALID, ISINTERNAL(cp->page) ? PGNO_INVALID : rp->pgno,
@@ -184,18 +190,18 @@ __bam_root(dbp, cp)
 	    cp->page->level, TYPE(cp->page));
 
 	/* Split the page. */
-	if ((ret = __bam_psplit(dbp, cp, lp, rp, 1)) != 0)
+	if ((ret = __bam_psplit(dbc, cp, lp, rp, &split)) != 0)
 		goto err;
 
 	/* Log the change. */
-	if (DB_LOGGING(dbp)) {
+	if (DB_LOGGING(dbc)) {
 		DBT __a;
 		DB_LSN __lsn;
 		memset(&__a, 0, sizeof(__a));
 		__a.data = cp->page;
 		__a.size = dbp->pgsize;
 		ZERO_LSN(__lsn);
-		if ((ret = __bam_split_log(dbp->dbenv->lg_info, dbp->txn,
+		if ((ret = __bam_split_log(dbp->dbenv->lg_info, dbc->txn,
 		    &LSN(cp->page), 0, dbp->log_fileid, PGNO(lp), &LSN(lp),
 		    PGNO(rp), &LSN(rp), (u_int32_t)NUM_ENT(lp), 0, &__lsn,
 		    &__a)) != 0)
@@ -205,26 +211,27 @@ __bam_root(dbp, cp)
 
 	/* Clean up the new root page. */
 	if ((ret = (dbp->type == DB_RECNO ?
-	    __ram_root(dbp, cp->page, lp, rp) :
-	    __bam_broot(dbp, cp->page, lp, rp))) != 0)
+	    __ram_root(dbc, cp->page, lp, rp) :
+	    __bam_broot(dbc, cp->page, lp, rp))) != 0)
 		goto err;
 
+	/* Adjust any cursors.  Do it last so we don't have to undo it. */
+	__bam_ca_split(dbp, cp->page->pgno, lp->pgno, rp->pgno, split, 1);
+
 	/* Success -- write the real pages back to the store. */
 	(void)memp_fput(dbp->mpf, cp->page, DB_MPOOL_DIRTY);
-	(void)__BT_TLPUT(dbp, cp->lock);
+	(void)__BT_TLPUT(dbc, cp->lock);
 	(void)memp_fput(dbp->mpf, lp, DB_MPOOL_DIRTY);
 	(void)memp_fput(dbp->mpf, rp, DB_MPOOL_DIRTY);
 
-	++t->lstat.bt_split;
-	++t->lstat.bt_rootsplit;
 	return (0);
 
 err:	if (lp != NULL)
-		(void)__bam_free(dbp, lp);
+		(void)__bam_free(dbc, lp);
 	if (rp != NULL)
-		(void)__bam_free(dbp, rp);
+		(void)__bam_free(dbc, rp);
 	(void)memp_fput(dbp->mpf, cp->page, 0);
-	(void)__BT_TLPUT(dbp, cp->lock);
+	(void)__BT_TLPUT(dbc, cp->lock);
 	return (ret);
 }
 
@@ -233,19 +240,22 @@ err:	if (lp != NULL)
  *	Split the non-root page of a btree.
  */
 static int
-__bam_page(dbp, pp, cp)
-	DB *dbp;
+__bam_page(dbc, pp, cp)
+	DBC *dbc;
 	EPG *pp, *cp;
 {
+	DB *dbp;
 	DB_LOCK tplock;
 	PAGE *lp, *rp, *tp;
+	db_indx_t split;
 	int ret;
 
+	dbp = dbc->dbp;
 	lp = rp = tp = NULL;
 	ret = -1;
 
 	/* Create new right page for the split. */
-	if ((ret = __bam_new(dbp, TYPE(cp->page), &rp)) != 0)
+	if ((ret = __bam_new(dbc, TYPE(cp->page), &rp)) != 0)
 		goto err;
 	P_INIT(rp, dbp->pgsize, rp->pgno,
 	    ISINTERNAL(cp->page) ? PGNO_INVALID : cp->page->pgno,
@@ -253,13 +263,8 @@ __bam_page(dbp, pp, cp)
 	    cp->page->level, TYPE(cp->page));
 
 	/* Create new left page for the split. */
-	if ((lp = (PAGE *)__db_malloc(dbp->pgsize)) == NULL) {
-		ret = ENOMEM;
+	if ((ret = __os_malloc(dbp->pgsize, NULL, &lp)) != 0)
 		goto err;
-	}
-#ifdef DIAGNOSTIC
-	memset(lp, 0xff, dbp->pgsize);
-#endif
 	P_INIT(lp, dbp->pgsize, cp->page->pgno,
 	    ISINTERNAL(cp->page) ?  PGNO_INVALID : cp->page->prev_pgno,
 	    ISINTERNAL(cp->page) ?  PGNO_INVALID : rp->pgno,
@@ -276,7 +281,7 @@ __bam_page(dbp, pp, cp)
 	 * change, we swap the original and the allocated left page after the
 	 * split.
 	 */
-	if ((ret = __bam_psplit(dbp, cp, lp, rp, 0)) != 0)
+	if ((ret = __bam_psplit(dbc, cp, lp, rp, &split)) != 0)
 		goto err;
 
 	/*
@@ -293,19 +298,19 @@ __bam_page(dbp, pp, cp)
 	 * the page we're splitting.
 	 */
 	if (TYPE(cp->page) == P_LBTREE && rp->next_pgno != PGNO_INVALID) {
-		if ((ret = __bam_lget(dbp,
+		if ((ret = __bam_lget(dbc,
 		    0, rp->next_pgno, DB_LOCK_WRITE, &tplock)) != 0)
 			goto err;
-		if ((ret = __bam_pget(dbp, &tp, &rp->next_pgno, 0)) != 0)
+		if ((ret = memp_fget(dbp->mpf, &rp->next_pgno, 0, &tp)) != 0)
 			goto err;
 	}
 
 	/* Insert the new pages into the parent page. */
-	if ((ret = __bam_pinsert(dbp, pp, lp, rp)) != 0)
+	if ((ret = __bam_pinsert(dbc, pp, lp, rp)) != 0)
 		goto err;
 
 	/* Log the change. */
-	if (DB_LOGGING(dbp)) {
+	if (DB_LOGGING(dbc)) {
 		DBT __a;
 		DB_LSN __lsn;
 		memset(&__a, 0, sizeof(__a));
@@ -313,7 +318,7 @@ __bam_page(dbp, pp, cp)
 		__a.size = dbp->pgsize;
 		if (tp == NULL)
 			ZERO_LSN(__lsn);
-		if ((ret = __bam_split_log(dbp->dbenv->lg_info, dbp->txn,
+		if ((ret = __bam_split_log(dbp->dbenv->lg_info, dbc->txn,
 		    &cp->page->lsn, 0, dbp->log_fileid, PGNO(cp->page),
 		    &LSN(cp->page), PGNO(rp), &LSN(rp), (u_int32_t)NUM_ENT(lp),
 		    tp == NULL ? 0 : PGNO(tp),
@@ -329,56 +334,69 @@ __bam_page(dbp, pp, cp)
 	memcpy(cp->page, lp, LOFFSET(lp));
 	memcpy((u_int8_t *)cp->page + HOFFSET(lp),
 	    (u_int8_t *)lp + HOFFSET(lp), dbp->pgsize - HOFFSET(lp));
-	FREE(lp, dbp->pgsize);
+	__os_free(lp, dbp->pgsize);
 	lp = NULL;
 
 	/* Finish the next-page link. */
 	if (tp != NULL)
 		tp->prev_pgno = rp->pgno;
 
+	/* Adjust any cursors.  Do so last so we don't have to undo it. */
+	__bam_ca_split(dbp, cp->page->pgno, cp->page->pgno, rp->pgno, split, 0);
+
 	/* Success -- write the real pages back to the store. */
 	(void)memp_fput(dbp->mpf, pp->page, DB_MPOOL_DIRTY);
-	(void)__BT_TLPUT(dbp, pp->lock);
+	(void)__BT_TLPUT(dbc, pp->lock);
 	(void)memp_fput(dbp->mpf, cp->page, DB_MPOOL_DIRTY);
-	(void)__BT_TLPUT(dbp, cp->lock);
+	(void)__BT_TLPUT(dbc, cp->lock);
 	(void)memp_fput(dbp->mpf, rp, DB_MPOOL_DIRTY);
 	if (tp != NULL) {
 		(void)memp_fput(dbp->mpf, tp, DB_MPOOL_DIRTY);
-		(void)__BT_TLPUT(dbp, tplock);
+		(void)__BT_TLPUT(dbc, tplock);
 	}
 	return (0);
 
 err:	if (lp != NULL)
-		FREE(lp, dbp->pgsize);
+		__os_free(lp, dbp->pgsize);
 	if (rp != NULL)
-		(void)__bam_free(dbp, rp);
+		(void)__bam_free(dbc, rp);
 	if (tp != NULL) {
 		(void)memp_fput(dbp->mpf, tp, 0);
-		(void)__BT_TLPUT(dbp, tplock);
+		if (ret == DB_NEEDSPLIT)
+			(void)__BT_LPUT(dbc, tplock);
+		else
+			(void)__BT_TLPUT(dbc, tplock);
 	}
 	(void)memp_fput(dbp->mpf, pp->page, 0);
-	(void)__BT_TLPUT(dbp, pp->lock);
+	if (ret == DB_NEEDSPLIT)
+		(void)__BT_LPUT(dbc, pp->lock);
+	else
+		(void)__BT_TLPUT(dbc, pp->lock);
 	(void)memp_fput(dbp->mpf, cp->page, 0);
-	(void)__BT_TLPUT(dbp, cp->lock);
+	if (ret == DB_NEEDSPLIT)
+		(void)__BT_LPUT(dbc, cp->lock);
+	else
+		(void)__BT_TLPUT(dbc, cp->lock);
 	return (ret);
 }
 
 /*
  * __bam_broot --
  *	Fix up the btree root page after it has been split.
- *
- * PUBLIC: int __bam_broot __P((DB *, PAGE *, PAGE *, PAGE *));
  */
-int
-__bam_broot(dbp, rootp, lp, rp)
-	DB *dbp;
+static int
+__bam_broot(dbc, rootp, lp, rp)
+	DBC *dbc;
 	PAGE *rootp, *lp, *rp;
 {
 	BINTERNAL bi, *child_bi;
 	BKEYDATA *child_bk;
+	DB *dbp;
 	DBT hdr, data;
 	int ret;
 
+	dbp = dbc->dbp;
+
 	/*
 	 * If the root page was a leaf page, change it into an internal page.
 	 * We copy the key we split on (but not the key's data, in the case of
@@ -405,7 +423,7 @@ __bam_broot(dbp, rootp, lp, rp)
 	hdr.data = &bi;
 	hdr.size = SSZA(BINTERNAL, data);
 	if ((ret =
-	    __db_pitem(dbp, rootp, 0, BINTERNAL_SIZE(0), &hdr, NULL)) != 0)
+	    __db_pitem(dbc, rootp, 0, BINTERNAL_SIZE(0), &hdr, NULL)) != 0)
 		return (ret);
 
 	switch (TYPE(rp)) {
@@ -424,13 +442,13 @@ __bam_broot(dbp, rootp, lp, rp)
 		hdr.size = SSZA(BINTERNAL, data);
 		data.data = child_bi->data;
 		data.size = child_bi->len;
-		if ((ret = __db_pitem(dbp, rootp, 1,
+		if ((ret = __db_pitem(dbc, rootp, 1,
 		    BINTERNAL_SIZE(child_bi->len), &hdr, &data)) != 0)
 			return (ret);
 
 		/* Increment the overflow ref count. */
 		if (B_TYPE(child_bi->type) == B_OVERFLOW)
-			if ((ret = __db_ovref(dbp,
+			if ((ret = __db_ovref(dbc,
 			    ((BOVERFLOW *)(child_bi->data))->pgno, 1)) != 0)
 				return (ret);
 		break;
@@ -450,7 +468,7 @@ __bam_broot(dbp, rootp, lp, rp)
 			hdr.size = SSZA(BINTERNAL, data);
 			data.data = child_bk->data;
 			data.size = child_bk->len;
-			if ((ret = __db_pitem(dbp, rootp, 1,
+			if ((ret = __db_pitem(dbc, rootp, 1,
 			    BINTERNAL_SIZE(child_bk->len), &hdr, &data)) != 0)
 				return (ret);
 			break;
@@ -467,13 +485,13 @@ __bam_broot(dbp, rootp, lp, rp)
 			hdr.size = SSZA(BINTERNAL, data);
 			data.data = child_bk;
 			data.size = BOVERFLOW_SIZE;
-			if ((ret = __db_pitem(dbp, rootp, 1,
+			if ((ret = __db_pitem(dbc, rootp, 1,
 			    BINTERNAL_SIZE(BOVERFLOW_SIZE), &hdr, &data)) != 0)
 				return (ret);
 
 			/* Increment the overflow ref count. */
 			if (B_TYPE(child_bk->type) == B_OVERFLOW)
-				if ((ret = __db_ovref(dbp,
+				if ((ret = __db_ovref(dbc,
 				    ((BOVERFLOW *)child_bk)->pgno, 1)) != 0)
 					return (ret);
 			break;
@@ -490,18 +508,19 @@ __bam_broot(dbp, rootp, lp, rp)
 /*
  * __ram_root --
  *	Fix up the recno root page after it has been split.
- *
- * PUBLIC: int __ram_root __P((DB *, PAGE *, PAGE *, PAGE *));
  */
-int
-__ram_root(dbp, rootp, lp, rp)
-	DB *dbp;
+static int
+__ram_root(dbc, rootp, lp, rp)
+	DBC *dbc;
 	PAGE *rootp, *lp, *rp;
 {
+	DB *dbp;
 	DBT hdr;
 	RINTERNAL ri;
 	int ret;
 
+	dbp = dbc->dbp;
+
 	/* Initialize the page. */
 	P_INIT(rootp, dbp->pgsize,
 	    PGNO_ROOT, PGNO_INVALID, PGNO_INVALID, lp->level + 1, P_IRECNO);
@@ -514,12 +533,12 @@ __ram_root(dbp, rootp, lp, rp)
 	/* Insert the left and right keys, set the header information. */
 	ri.pgno = lp->pgno;
 	ri.nrecs = __bam_total(lp);
-	if ((ret = __db_pitem(dbp, rootp, 0, RINTERNAL_SIZE, &hdr, NULL)) != 0)
+	if ((ret = __db_pitem(dbc, rootp, 0, RINTERNAL_SIZE, &hdr, NULL)) != 0)
 		return (ret);
 	RE_NREC_SET(rootp, ri.nrecs);
 	ri.pgno = rp->pgno;
 	ri.nrecs = __bam_total(rp);
-	if ((ret = __db_pitem(dbp, rootp, 1, RINTERNAL_SIZE, &hdr, NULL)) != 0)
+	if ((ret = __db_pitem(dbc, rootp, 1, RINTERNAL_SIZE, &hdr, NULL)) != 0)
 		return (ret);
 	RE_NREC_ADJ(rootp, ri.nrecs);
 	return (0);
@@ -530,14 +549,15 @@ __ram_root(dbp, rootp, lp, rp)
  *	Insert a new key into a parent page, completing the split.
  */
 static int
-__bam_pinsert(dbp, parent, lchild, rchild)
-	DB *dbp;
+__bam_pinsert(dbc, parent, lchild, rchild)
+	DBC *dbc;
 	EPG *parent;
 	PAGE *lchild, *rchild;
 {
 	BINTERNAL bi, *child_bi;
 	BKEYDATA *child_bk, *tmp_bk;
 	BTREE *t;
+	DB *dbp;
 	DBT a, b, hdr, data;
 	PAGE *ppage;
 	RINTERNAL ri;
@@ -546,6 +566,7 @@ __bam_pinsert(dbp, parent, lchild, rchild)
 	u_int32_t n, nbytes, nksize;
 	int ret;
 
+	dbp = dbc->dbp;
 	t = dbp->internal;
 	ppage = parent->page;
 
@@ -600,13 +621,13 @@ __bam_pinsert(dbp, parent, lchild, rchild)
 		memset(&data, 0, sizeof(data));
 		data.data = child_bi->data;
 		data.size = child_bi->len;
-		if ((ret = __db_pitem(dbp, ppage, off,
+		if ((ret = __db_pitem(dbc, ppage, off,
 		    BINTERNAL_SIZE(child_bi->len), &hdr, &data)) != 0)
 			return (ret);
 
 		/* Increment the overflow ref count. */
 		if (B_TYPE(child_bi->type) == B_OVERFLOW)
-			if ((ret = __db_ovref(dbp,
+			if ((ret = __db_ovref(dbc,
 			    ((BOVERFLOW *)(child_bi->data))->pgno, 1)) != 0)
 				return (ret);
 		break;
@@ -630,10 +651,9 @@ __bam_pinsert(dbp, parent, lchild, rchild)
 			b.size = child_bk->len;
 			b.data = child_bk->data;
 			nksize = t->bt_prefix(&a, &b);
-			if ((n = BINTERNAL_PSIZE(nksize)) < nbytes) {
-				t->lstat.bt_pfxsaved += nbytes - n;
+			if ((n = BINTERNAL_PSIZE(nksize)) < nbytes)
 				nbytes = n;
-			} else
+			else
 noprefix:			nksize = child_bk->len;
 
 			if (P_FREESPACE(ppage) < nbytes)
@@ -650,7 +670,7 @@ noprefix:			nksize = child_bk->len;
 			memset(&data, 0, sizeof(data));
 			data.data = child_bk->data;
 			data.size = nksize;
-			if ((ret = __db_pitem(dbp, ppage, off,
+			if ((ret = __db_pitem(dbc, ppage, off,
 			    BINTERNAL_SIZE(nksize), &hdr, &data)) != 0)
 				return (ret);
 			break;
@@ -672,13 +692,13 @@ noprefix:			nksize = child_bk->len;
 			memset(&data, 0, sizeof(data));
 			data.data = child_bk;
 			data.size = BOVERFLOW_SIZE;
-			if ((ret = __db_pitem(dbp, ppage, off,
+			if ((ret = __db_pitem(dbc, ppage, off,
 			    BINTERNAL_SIZE(BOVERFLOW_SIZE), &hdr, &data)) != 0)
 				return (ret);
 
 			/* Increment the overflow ref count. */
 			if (B_TYPE(child_bk->type) == B_OVERFLOW)
-				if ((ret = __db_ovref(dbp,
+				if ((ret = __db_ovref(dbc,
 				    ((BOVERFLOW *)child_bk)->pgno, 1)) != 0)
 					return (ret);
 			break;
@@ -699,7 +719,7 @@ noprefix:			nksize = child_bk->len;
 		hdr.size = RINTERNAL_SIZE;
 		ri.pgno = rchild->pgno;
 		ri.nrecs = nrecs;
-		if ((ret = __db_pitem(dbp,
+		if ((ret = __db_pitem(dbc,
 		    ppage, off, RINTERNAL_SIZE, &hdr, NULL)) != 0)
 			return (ret);
 		break;
@@ -710,9 +730,9 @@ noprefix:			nksize = child_bk->len;
 	/* Adjust the parent page's left page record count. */
 	if (dbp->type == DB_RECNO || F_ISSET(dbp, DB_BT_RECNUM)) {
 		/* Log the change. */
-		if (DB_LOGGING(dbp) &&
+		if (DB_LOGGING(dbc) &&
 		    (ret = __bam_cadjust_log(dbp->dbenv->lg_info,
-		    dbp->txn, &LSN(ppage), 0, dbp->log_fileid,
+		    dbc->txn, &LSN(ppage), 0, dbp->log_fileid,
 		    PGNO(ppage), &LSN(ppage), (u_int32_t)parent->indx,
 		    -(int32_t)nrecs, (int32_t)0)) != 0)
 			return (ret);
@@ -732,18 +752,18 @@ noprefix:			nksize = child_bk->len;
  *	Do the real work of splitting the page.
  */
 static int
-__bam_psplit(dbp, cp, lp, rp, cleft)
-	DB *dbp;
+__bam_psplit(dbc, cp, lp, rp, splitret)
+	DBC *dbc;
 	EPG *cp;
 	PAGE *lp, *rp;
-	int cleft;
+	db_indx_t *splitret;
 {
-	BTREE *t;
+	DB *dbp;
 	PAGE *pp;
 	db_indx_t half, nbytes, off, splitp, top;
 	int adjust, cnt, isbigkey, ret;
 
-	t = dbp->internal;
+	dbp = dbc->dbp;
 	pp = cp->page;
 	adjust = TYPE(pp) == P_LBTREE ? P_INDX : O_INDX;
 
@@ -762,11 +782,8 @@ __bam_psplit(dbp, cp, lp, rp, cleft)
 	else if (PREV_PGNO(pp) == PGNO_INVALID && cp->indx == 0)
 		off = adjust;
 
-	++t->lstat.bt_split;
-	if (off != 0) {
-		++t->lstat.bt_fastsplit;
+	if (off != 0)
 		goto sort;
-	}
 
 	/*
 	 * Split the data to the left and right pages.  Try not to split on
@@ -887,8 +904,7 @@ sort:	splitp = off;
 	if ((ret = __bam_copy(dbp, pp, rp, splitp, NUM_ENT(pp))) != 0)
 		return (ret);
 
-	/* Adjust the cursors. */
-	__bam_ca_split(dbp, pp->pgno, lp->pgno, rp->pgno, splitp, cleft);
+	*splitret = splitp;
 	return (0);
 }
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-12-12 09:18:17 +0000