Import BSDDB 4.7.25 (as of svn r89086)
This commit is contained in:
Zachary Ware
621
btree/bt_open.c
Normal file
621
btree/bt_open.c
Normal file
@@ -0,0 +1,621 @@
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/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996,2008 Oracle. All rights reserved.
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*/
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/*
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* Copyright (c) 1990, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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*/
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/*
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* Copyright (c) 1990, 1993, 1994, 1995
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Mike Olson.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
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||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: bt_open.c 63573 2008-05-23 21:43:21Z trent.nelson $
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*/
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#include "db_config.h"
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#include "db_int.h"
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#include "dbinc/crypto.h"
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#include "dbinc/db_page.h"
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#include "dbinc/db_swap.h"
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#include "dbinc/btree.h"
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#include "dbinc/lock.h"
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#include "dbinc/log.h"
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#include "dbinc/mp.h"
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#include "dbinc/fop.h"
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static void __bam_init_meta __P((DB *, BTMETA *, db_pgno_t, DB_LSN *));
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/*
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* __bam_open --
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* Open a btree.
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*
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* PUBLIC: int __bam_open __P((DB *, DB_THREAD_INFO *,
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* PUBLIC: DB_TXN *, const char *, db_pgno_t, u_int32_t));
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*/
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int
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__bam_open(dbp, ip, txn, name, base_pgno, flags)
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DB *dbp;
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DB_THREAD_INFO *ip;
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DB_TXN *txn;
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const char *name;
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db_pgno_t base_pgno;
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u_int32_t flags;
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{
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BTREE *t;
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COMPQUIET(name, NULL);
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t = dbp->bt_internal;
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/*
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* We don't permit the user to specify a prefix routine if they didn't
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* also specify a comparison routine, they can't know enough about our
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* comparison routine to get it right.
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*/
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if (t->bt_compare == __bam_defcmp && t->bt_prefix != __bam_defpfx) {
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__db_errx(dbp->env,
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"prefix comparison may not be specified for default comparison routine");
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return (EINVAL);
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}
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/*
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* Verify that the bt_minkey value specified won't cause the
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* calculation of ovflsize to underflow [#2406] for this pagesize.
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*/
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if (B_MINKEY_TO_OVFLSIZE(dbp, t->bt_minkey, dbp->pgsize) >
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B_MINKEY_TO_OVFLSIZE(dbp, DEFMINKEYPAGE, dbp->pgsize)) {
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__db_errx(dbp->env,
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"bt_minkey value of %lu too high for page size of %lu",
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(u_long)t->bt_minkey, (u_long)dbp->pgsize);
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return (EINVAL);
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}
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/* Start up the tree. */
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return (__bam_read_root(dbp, ip, txn, base_pgno, flags));
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}
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/*
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* __bam_metachk --
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*
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* PUBLIC: int __bam_metachk __P((DB *, const char *, BTMETA *));
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*/
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int
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__bam_metachk(dbp, name, btm)
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DB *dbp;
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const char *name;
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BTMETA *btm;
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{
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ENV *env;
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u_int32_t vers;
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int ret;
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env = dbp->env;
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/*
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* At this point, all we know is that the magic number is for a Btree.
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* Check the version, the database may be out of date.
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*/
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vers = btm->dbmeta.version;
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if (F_ISSET(dbp, DB_AM_SWAP))
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M_32_SWAP(vers);
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switch (vers) {
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case 6:
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case 7:
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__db_errx(env,
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"%s: btree version %lu requires a version upgrade",
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name, (u_long)vers);
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return (DB_OLD_VERSION);
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case 8:
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case 9:
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break;
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default:
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__db_errx(env,
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"%s: unsupported btree version: %lu", name, (u_long)vers);
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return (EINVAL);
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}
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/* Swap the page if we need to. */
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if (F_ISSET(dbp, DB_AM_SWAP) &&
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(ret = __bam_mswap(env, (PAGE *)btm)) != 0)
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return (ret);
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/*
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* Check application info against metadata info, and set info, flags,
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* and type based on metadata info.
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*/
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if ((ret =
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__db_fchk(env, "DB->open", btm->dbmeta.flags, BTM_MASK)) != 0)
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return (ret);
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if (F_ISSET(&btm->dbmeta, BTM_RECNO)) {
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if (dbp->type == DB_BTREE)
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goto wrong_type;
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dbp->type = DB_RECNO;
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DB_ILLEGAL_METHOD(dbp, DB_OK_RECNO);
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} else {
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if (dbp->type == DB_RECNO)
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goto wrong_type;
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dbp->type = DB_BTREE;
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DB_ILLEGAL_METHOD(dbp, DB_OK_BTREE);
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}
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if (F_ISSET(&btm->dbmeta, BTM_DUP))
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F_SET(dbp, DB_AM_DUP);
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else
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if (F_ISSET(dbp, DB_AM_DUP)) {
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__db_errx(env,
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"%s: DB_DUP specified to open method but not set in database",
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name);
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return (EINVAL);
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}
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if (F_ISSET(&btm->dbmeta, BTM_RECNUM)) {
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if (dbp->type != DB_BTREE)
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goto wrong_type;
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F_SET(dbp, DB_AM_RECNUM);
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if ((ret = __db_fcchk(env,
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"DB->open", dbp->flags, DB_AM_DUP, DB_AM_RECNUM)) != 0)
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return (ret);
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} else
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if (F_ISSET(dbp, DB_AM_RECNUM)) {
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__db_errx(env,
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"%s: DB_RECNUM specified to open method but not set in database",
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name);
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return (EINVAL);
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}
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if (F_ISSET(&btm->dbmeta, BTM_FIXEDLEN)) {
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if (dbp->type != DB_RECNO)
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goto wrong_type;
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F_SET(dbp, DB_AM_FIXEDLEN);
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} else
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if (F_ISSET(dbp, DB_AM_FIXEDLEN)) {
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__db_errx(env,
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"%s: DB_FIXEDLEN specified to open method but not set in database",
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name);
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return (EINVAL);
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}
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if (F_ISSET(&btm->dbmeta, BTM_RENUMBER)) {
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if (dbp->type != DB_RECNO)
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goto wrong_type;
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F_SET(dbp, DB_AM_RENUMBER);
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} else
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if (F_ISSET(dbp, DB_AM_RENUMBER)) {
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__db_errx(env,
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"%s: DB_RENUMBER specified to open method but not set in database",
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name);
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return (EINVAL);
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}
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if (F_ISSET(&btm->dbmeta, BTM_SUBDB))
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F_SET(dbp, DB_AM_SUBDB);
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else
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if (F_ISSET(dbp, DB_AM_SUBDB)) {
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__db_errx(env,
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"%s: multiple databases specified but not supported by file",
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name);
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return (EINVAL);
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}
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if (F_ISSET(&btm->dbmeta, BTM_DUPSORT)) {
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if (dbp->dup_compare == NULL)
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dbp->dup_compare = __bam_defcmp;
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F_SET(dbp, DB_AM_DUPSORT);
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} else
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if (dbp->dup_compare != NULL) {
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__db_errx(env,
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"%s: duplicate sort specified but not supported in database",
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name);
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return (EINVAL);
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}
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/* Set the page size. */
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dbp->pgsize = btm->dbmeta.pagesize;
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/* Copy the file's ID. */
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memcpy(dbp->fileid, btm->dbmeta.uid, DB_FILE_ID_LEN);
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return (0);
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wrong_type:
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if (dbp->type == DB_BTREE)
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__db_errx(env,
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"open method type is Btree, database type is Recno");
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else
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__db_errx(env,
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"open method type is Recno, database type is Btree");
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return (EINVAL);
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}
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/*
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* __bam_read_root --
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* Read the root page and check a tree.
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*
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* PUBLIC: int __bam_read_root __P((DB *,
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* PUBLIC: DB_THREAD_INFO *, DB_TXN *, db_pgno_t, u_int32_t));
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*/
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int
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__bam_read_root(dbp, ip, txn, base_pgno, flags)
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DB *dbp;
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DB_THREAD_INFO *ip;
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DB_TXN *txn;
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db_pgno_t base_pgno;
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u_int32_t flags;
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{
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BTMETA *meta;
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BTREE *t;
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DBC *dbc;
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DB_LOCK metalock;
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DB_MPOOLFILE *mpf;
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int ret, t_ret;
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COMPQUIET(flags, 0);
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meta = NULL;
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t = dbp->bt_internal;
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LOCK_INIT(metalock);
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mpf = dbp->mpf;
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ret = 0;
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/* Get a cursor. */
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if ((ret = __db_cursor(dbp, ip, txn, &dbc, 0)) != 0)
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return (ret);
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||||
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||||
/* Get the metadata page. */
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if ((ret =
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||||
__db_lget(dbc, 0, base_pgno, DB_LOCK_READ, 0, &metalock)) != 0)
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||||
goto err;
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||||
if ((ret = __memp_fget(mpf, &base_pgno, ip, dbc->txn, 0, &meta)) != 0)
|
||||
goto err;
|
||||
|
||||
/*
|
||||
* If the magic number is set, the tree has been created. Correct
|
||||
* any fields that may not be right. Note, all of the local flags
|
||||
* were set by DB->open.
|
||||
*
|
||||
* Otherwise, we'd better be in recovery or abort, in which case the
|
||||
* metadata page will be created/initialized elsewhere.
|
||||
*/
|
||||
if (meta->dbmeta.magic == DB_BTREEMAGIC) {
|
||||
t->bt_minkey = meta->minkey;
|
||||
t->re_pad = (int)meta->re_pad;
|
||||
t->re_len = meta->re_len;
|
||||
|
||||
t->bt_meta = base_pgno;
|
||||
t->bt_root = meta->root;
|
||||
if (PGNO(meta) == PGNO_BASE_MD && !F_ISSET(dbp, DB_AM_RECOVER))
|
||||
__memp_set_last_pgno(mpf, meta->dbmeta.last_pgno);
|
||||
} else {
|
||||
DB_ASSERT(dbp->env,
|
||||
IS_RECOVERING(dbp->env) || F_ISSET(dbp, DB_AM_RECOVER));
|
||||
}
|
||||
|
||||
/*
|
||||
* !!!
|
||||
* If creating a subdatabase, we've already done an insert when
|
||||
* we put the subdatabase's entry into the master database, so
|
||||
* our last-page-inserted value is wrongly initialized for the
|
||||
* master database, not the subdatabase we're creating. I'm not
|
||||
* sure where the *right* place to clear this value is, it's not
|
||||
* intuitively obvious that it belongs here.
|
||||
*/
|
||||
t->bt_lpgno = PGNO_INVALID;
|
||||
|
||||
err: /* Put the metadata page back. */
|
||||
if (meta != NULL && (t_ret = __memp_fput(mpf,
|
||||
ip, meta, dbc->priority)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
if ((t_ret = __LPUT(dbc, metalock)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
|
||||
if ((t_ret = __dbc_close(dbc)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
return (ret);
|
||||
}
|
||||
|
||||
/*
|
||||
* __bam_init_meta --
|
||||
*
|
||||
* Initialize a btree meta-data page. The following fields may need
|
||||
* to be updated later: last_pgno, root.
|
||||
*/
|
||||
static void
|
||||
__bam_init_meta(dbp, meta, pgno, lsnp)
|
||||
DB *dbp;
|
||||
BTMETA *meta;
|
||||
db_pgno_t pgno;
|
||||
DB_LSN *lsnp;
|
||||
{
|
||||
BTREE *t;
|
||||
ENV *env;
|
||||
|
||||
env = dbp->env;
|
||||
t = dbp->bt_internal;
|
||||
|
||||
memset(meta, 0, sizeof(BTMETA));
|
||||
meta->dbmeta.lsn = *lsnp;
|
||||
meta->dbmeta.pgno = pgno;
|
||||
meta->dbmeta.magic = DB_BTREEMAGIC;
|
||||
meta->dbmeta.version = DB_BTREEVERSION;
|
||||
meta->dbmeta.pagesize = dbp->pgsize;
|
||||
if (F_ISSET(dbp, DB_AM_CHKSUM))
|
||||
FLD_SET(meta->dbmeta.metaflags, DBMETA_CHKSUM);
|
||||
if (F_ISSET(dbp, DB_AM_ENCRYPT)) {
|
||||
meta->dbmeta.encrypt_alg = env->crypto_handle->alg;
|
||||
DB_ASSERT(env, meta->dbmeta.encrypt_alg != 0);
|
||||
meta->crypto_magic = meta->dbmeta.magic;
|
||||
}
|
||||
meta->dbmeta.type = P_BTREEMETA;
|
||||
meta->dbmeta.free = PGNO_INVALID;
|
||||
meta->dbmeta.last_pgno = pgno;
|
||||
if (F_ISSET(dbp, DB_AM_DUP))
|
||||
F_SET(&meta->dbmeta, BTM_DUP);
|
||||
if (F_ISSET(dbp, DB_AM_FIXEDLEN))
|
||||
F_SET(&meta->dbmeta, BTM_FIXEDLEN);
|
||||
if (F_ISSET(dbp, DB_AM_RECNUM))
|
||||
F_SET(&meta->dbmeta, BTM_RECNUM);
|
||||
if (F_ISSET(dbp, DB_AM_RENUMBER))
|
||||
F_SET(&meta->dbmeta, BTM_RENUMBER);
|
||||
if (F_ISSET(dbp, DB_AM_SUBDB))
|
||||
F_SET(&meta->dbmeta, BTM_SUBDB);
|
||||
if (dbp->dup_compare != NULL)
|
||||
F_SET(&meta->dbmeta, BTM_DUPSORT);
|
||||
if (dbp->type == DB_RECNO)
|
||||
F_SET(&meta->dbmeta, BTM_RECNO);
|
||||
memcpy(meta->dbmeta.uid, dbp->fileid, DB_FILE_ID_LEN);
|
||||
|
||||
meta->minkey = t->bt_minkey;
|
||||
meta->re_len = t->re_len;
|
||||
meta->re_pad = (u_int32_t)t->re_pad;
|
||||
}
|
||||
|
||||
/*
|
||||
* __bam_new_file --
|
||||
* Create the necessary pages to begin a new database file.
|
||||
*
|
||||
* This code appears more complex than it is because of the two cases (named
|
||||
* and unnamed). The way to read the code is that for each page being created,
|
||||
* there are three parts: 1) a "get page" chunk (which either uses malloc'd
|
||||
* memory or calls __memp_fget), 2) the initialization, and 3) the "put page"
|
||||
* chunk which either does a fop write or an __memp_fput.
|
||||
*
|
||||
* PUBLIC: int __bam_new_file __P((DB *,
|
||||
* PUBLIC: DB_THREAD_INFO *, DB_TXN *, DB_FH *, const char *));
|
||||
*/
|
||||
int
|
||||
__bam_new_file(dbp, ip, txn, fhp, name)
|
||||
DB *dbp;
|
||||
DB_THREAD_INFO *ip;
|
||||
DB_TXN *txn;
|
||||
DB_FH *fhp;
|
||||
const char *name;
|
||||
{
|
||||
BTMETA *meta;
|
||||
DBT pdbt;
|
||||
DB_LSN lsn;
|
||||
DB_MPOOLFILE *mpf;
|
||||
DB_PGINFO pginfo;
|
||||
ENV *env;
|
||||
PAGE *root;
|
||||
db_pgno_t pgno;
|
||||
int ret, t_ret;
|
||||
void *buf;
|
||||
|
||||
env = dbp->env;
|
||||
mpf = dbp->mpf;
|
||||
root = NULL;
|
||||
meta = NULL;
|
||||
buf = NULL;
|
||||
|
||||
if (F_ISSET(dbp, DB_AM_INMEM)) {
|
||||
/* Build the meta-data page. */
|
||||
pgno = PGNO_BASE_MD;
|
||||
if ((ret = __memp_fget(mpf, &pgno, ip, txn,
|
||||
DB_MPOOL_CREATE | DB_MPOOL_DIRTY, &meta)) != 0)
|
||||
return (ret);
|
||||
LSN_NOT_LOGGED(lsn);
|
||||
__bam_init_meta(dbp, meta, PGNO_BASE_MD, &lsn);
|
||||
meta->root = 1;
|
||||
meta->dbmeta.last_pgno = 1;
|
||||
if ((ret =
|
||||
__db_log_page(dbp, txn, &lsn, pgno, (PAGE *)meta)) != 0)
|
||||
goto err;
|
||||
ret = __memp_fput(mpf, ip, meta, dbp->priority);
|
||||
meta = NULL;
|
||||
if (ret != 0)
|
||||
goto err;
|
||||
|
||||
/* Build the root page. */
|
||||
pgno = 1;
|
||||
if ((ret = __memp_fget(mpf, &pgno,
|
||||
ip, txn, DB_MPOOL_CREATE, &root)) != 0)
|
||||
goto err;
|
||||
P_INIT(root, dbp->pgsize, 1, PGNO_INVALID, PGNO_INVALID,
|
||||
LEAFLEVEL, dbp->type == DB_RECNO ? P_LRECNO : P_LBTREE);
|
||||
LSN_NOT_LOGGED(root->lsn);
|
||||
if ((ret =
|
||||
__db_log_page(dbp, txn, &root->lsn, pgno, root)) != 0)
|
||||
goto err;
|
||||
ret = __memp_fput(mpf, ip, root, dbp->priority);
|
||||
root = NULL;
|
||||
if (ret != 0)
|
||||
goto err;
|
||||
} else {
|
||||
memset(&pdbt, 0, sizeof(pdbt));
|
||||
|
||||
/* Build the meta-data page. */
|
||||
pginfo.db_pagesize = dbp->pgsize;
|
||||
pginfo.flags =
|
||||
F_ISSET(dbp, (DB_AM_CHKSUM | DB_AM_ENCRYPT | DB_AM_SWAP));
|
||||
pginfo.type = dbp->type;
|
||||
pdbt.data = &pginfo;
|
||||
pdbt.size = sizeof(pginfo);
|
||||
if ((ret = __os_calloc(env, 1, dbp->pgsize, &buf)) != 0)
|
||||
return (ret);
|
||||
meta = (BTMETA *)buf;
|
||||
LSN_NOT_LOGGED(lsn);
|
||||
__bam_init_meta(dbp, meta, PGNO_BASE_MD, &lsn);
|
||||
meta->root = 1;
|
||||
meta->dbmeta.last_pgno = 1;
|
||||
if ((ret = __db_pgout(
|
||||
dbp->dbenv, PGNO_BASE_MD, meta, &pdbt)) != 0)
|
||||
goto err;
|
||||
if ((ret = __fop_write(env, txn, name, DB_APP_DATA, fhp,
|
||||
dbp->pgsize, 0, 0, buf, dbp->pgsize, 1, F_ISSET(
|
||||
dbp, DB_AM_NOT_DURABLE) ? DB_LOG_NOT_DURABLE : 0)) != 0)
|
||||
goto err;
|
||||
meta = NULL;
|
||||
|
||||
/* Build the root page. */
|
||||
#ifdef DIAGNOSTIC
|
||||
memset(buf, CLEAR_BYTE, dbp->pgsize);
|
||||
#endif
|
||||
root = (PAGE *)buf;
|
||||
P_INIT(root, dbp->pgsize, 1, PGNO_INVALID, PGNO_INVALID,
|
||||
LEAFLEVEL, dbp->type == DB_RECNO ? P_LRECNO : P_LBTREE);
|
||||
LSN_NOT_LOGGED(root->lsn);
|
||||
if ((ret =
|
||||
__db_pgout(dbp->dbenv, root->pgno, root, &pdbt)) != 0)
|
||||
goto err;
|
||||
if ((ret = __fop_write(env, txn, name, DB_APP_DATA, fhp,
|
||||
dbp->pgsize, 1, 0, buf, dbp->pgsize, 1, F_ISSET(
|
||||
dbp, DB_AM_NOT_DURABLE) ? DB_LOG_NOT_DURABLE : 0)) != 0)
|
||||
goto err;
|
||||
root = NULL;
|
||||
}
|
||||
|
||||
err: if (buf != NULL)
|
||||
__os_free(env, buf);
|
||||
else {
|
||||
if (meta != NULL &&
|
||||
(t_ret = __memp_fput(mpf, ip,
|
||||
meta, dbp->priority)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
if (root != NULL &&
|
||||
(t_ret = __memp_fput(mpf, ip,
|
||||
root, dbp->priority)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
}
|
||||
return (ret);
|
||||
}
|
||||
|
||||
/*
|
||||
* __bam_new_subdb --
|
||||
* Create a metadata page and a root page for a new btree.
|
||||
*
|
||||
* PUBLIC: int __bam_new_subdb __P((DB *, DB *, DB_THREAD_INFO *, DB_TXN *));
|
||||
*/
|
||||
int
|
||||
__bam_new_subdb(mdbp, dbp, ip, txn)
|
||||
DB *mdbp, *dbp;
|
||||
DB_THREAD_INFO *ip;
|
||||
DB_TXN *txn;
|
||||
{
|
||||
BTMETA *meta;
|
||||
DBC *dbc;
|
||||
DB_LOCK metalock;
|
||||
DB_LSN lsn;
|
||||
DB_MPOOLFILE *mpf;
|
||||
ENV *env;
|
||||
PAGE *root;
|
||||
int ret, t_ret;
|
||||
|
||||
env = mdbp->env;
|
||||
mpf = mdbp->mpf;
|
||||
dbc = NULL;
|
||||
meta = NULL;
|
||||
root = NULL;
|
||||
|
||||
if ((ret = __db_cursor(mdbp, ip, txn,
|
||||
&dbc, CDB_LOCKING(env) ? DB_WRITECURSOR : 0)) != 0)
|
||||
return (ret);
|
||||
|
||||
/* Get, and optionally create the metadata page. */
|
||||
if ((ret = __db_lget(dbc,
|
||||
0, dbp->meta_pgno, DB_LOCK_WRITE, 0, &metalock)) != 0)
|
||||
goto err;
|
||||
if ((ret = __memp_fget(mpf, &dbp->meta_pgno,
|
||||
ip, txn, DB_MPOOL_CREATE, &meta)) != 0)
|
||||
goto err;
|
||||
|
||||
/* Build meta-data page. */
|
||||
lsn = meta->dbmeta.lsn;
|
||||
__bam_init_meta(dbp, meta, dbp->meta_pgno, &lsn);
|
||||
if ((ret = __db_log_page(mdbp,
|
||||
txn, &meta->dbmeta.lsn, dbp->meta_pgno, (PAGE *)meta)) != 0)
|
||||
goto err;
|
||||
|
||||
/* Create and initialize a root page. */
|
||||
if ((ret = __db_new(dbc,
|
||||
dbp->type == DB_RECNO ? P_LRECNO : P_LBTREE, &root)) != 0)
|
||||
goto err;
|
||||
root->level = LEAFLEVEL;
|
||||
|
||||
if (DBENV_LOGGING(env) &&
|
||||
#if !defined(DEBUG_WOP)
|
||||
txn != NULL &&
|
||||
#endif
|
||||
|
||||
(ret = __bam_root_log(mdbp, txn, &meta->dbmeta.lsn, 0,
|
||||
meta->dbmeta.pgno, root->pgno, &meta->dbmeta.lsn)) != 0)
|
||||
goto err;
|
||||
|
||||
meta->root = root->pgno;
|
||||
if ((ret =
|
||||
__db_log_page(mdbp, txn, &root->lsn, root->pgno, root)) != 0)
|
||||
goto err;
|
||||
|
||||
/* Release the metadata and root pages. */
|
||||
if ((ret = __memp_fput(mpf, ip, meta, dbc->priority)) != 0)
|
||||
goto err;
|
||||
meta = NULL;
|
||||
if ((ret = __memp_fput(mpf, ip, root, dbc->priority)) != 0)
|
||||
goto err;
|
||||
root = NULL;
|
||||
err:
|
||||
if (meta != NULL)
|
||||
if ((t_ret = __memp_fput(mpf, ip,
|
||||
meta, dbc->priority)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
if (root != NULL)
|
||||
if ((t_ret = __memp_fput(mpf, ip,
|
||||
root, dbc->priority)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
if ((t_ret = __LPUT(dbc, metalock)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
if (dbc != NULL)
|
||||
if ((t_ret = __dbc_close(dbc)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
return (ret);
|
||||
}
|
||||
Reference in New Issue
Block a user