NextGraph
/
lmdb
mirror of https://github.com/nextgraph-org/lmdb.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Drop mdb_page_get() arg 'level', it's always NULL

Browse Source
mdb.master3
Hallvard Furuseth 8 years ago committed by Howard Chu
parent 61b5b6270d
commit d6cf476169
1 changed files with 19 additions and 27 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 46
      libraries/liblmdb/mdb.c

46
libraries/liblmdb/mdb.c
Unescape View File

@ -1675,13 +1675,13 @@ enum {
static void mdb_txn_end(MDB_txn *txn, unsigned mode);
#if MDB_RPAGE_CACHE
static int mdb_page_get(MDB_cursor *mc, pgno_t pgno, int numpgs, MDB_page **mp, int *lvl);
#define MDB_PAGE_GET(mc, pg, numpgs, mp, lvl) mdb_page_get(mc, pg, numpgs, mp, lvl)
#define MDB_PAGE_GET(mc, pg, numpgs, mp) mdb_page_get(mc, pg, numpgs, mp)
static void mdb_rpage_dispose(MDB_env *env, MDB_ID3 *id3);
#else
static int mdb_page_get(MDB_cursor *mc, pgno_t pgno, MDB_page **mp, int *lvl);
#define MDB_PAGE_GET(mc, pg, numpgs, mp, lvl) mdb_page_get(mc, pg, mp, lvl)
/* Drop unused numpgs argument when !MDB_RPAGE_CACHE */
#define MDB_PAGE_GET(mc, pg, numpgs, mp) mdb_page_get(mc, pg, mp)
#endif
static int MDB_PAGE_GET(MDB_cursor *mc, pgno_t pgno, int numpgs, MDB_page **mp);
static int mdb_page_search_root(MDB_cursor *mc,
MDB_val *key, int modify);
@ -6655,7 +6655,6 @@ static void mdb_rpage_dispose(MDB_env *env, MDB_ID3 *id3)
* @param[in] pgno the page number for the page to retrieve.
* @param[in] numpgs number of database pages (can be > 1 for overflow pages)
* @param[out] ret address of a pointer where the page's address will be stored.
* @param[out] lvl dirty_list inheritance level of found page. 1=current txn, 0=mapped page.
* @return 0 on success, non-zero on failure.
*/
static int
@ -6663,15 +6662,13 @@ mdb_page_get(MDB_cursor *mc, pgno_t pgno,
#if MDB_RPAGE_CACHE
int numpgs,
#endif
MDB_page **ret, int *lvl)
MDB_page **ret)
{
MDB_txn *txn = mc->mc_txn;
MDB_page *p = NULL;
int level;
if (! (mc->mc_flags & (C_ORIG_RDONLY|C_WRITEMAP))) {
MDB_txn *tx2 = txn;
level = 1;
do {
MDB_ID2L dl = tx2->mt_u.dirty_list;
unsigned x;
@ -6694,7 +6691,6 @@ mdb_page_get(MDB_cursor *mc, pgno_t pgno,
goto done;
}
}
level++;
} while ((tx2 = tx2->mt_parent) != NULL);
}
@ -6704,8 +6700,6 @@ mdb_page_get(MDB_cursor *mc, pgno_t pgno,
return MDB_PAGE_NOTFOUND;
}
level = 0;
mapped:
#if MDB_RPAGE_CACHE
if (MDB_REMAPPING(txn->mt_env->me_flags)) {
@ -6723,8 +6717,6 @@ mapped:
done:
*ret = p;
if (lvl)
*lvl = level;
return MDB_SUCCESS;
}
@ -6781,7 +6773,7 @@ mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int flags)
mdb_cassert(mc, i < NUMKEYS(mp));
node = NODEPTR(mp, i);
if ((rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mp, NULL)) != 0)
if ((rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mp)) != 0)
return rc;
mc->mc_ki[mc->mc_top] = i;
@ -6824,7 +6816,7 @@ mdb_page_search_lowest(MDB_cursor *mc)
MDB_node *node = NODEPTR(mp, 0);
int rc;
if ((rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mp, NULL)) != 0)
if ((rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mp)) != 0)
return rc;
mc->mc_ki[mc->mc_top] = 0;
@ -6904,7 +6896,7 @@ mdb_page_search(MDB_cursor *mc, MDB_val *key, int flags)
if (mc->mc_pg[0])
MDB_PAGE_UNREF(mc->mc_txn, mc->mc_pg[0]);
#endif
if ((rc = MDB_PAGE_GET(mc, root, 1, &mc->mc_pg[0], NULL)) != 0)
if ((rc = MDB_PAGE_GET(mc, root, 1, &mc->mc_pg[0])) != 0)
return rc;
}
@ -7037,7 +7029,7 @@ mdb_node_read(MDB_cursor *mc, MDB_node *leaf, MDB_val *data)
*/
memcpy(&ovp, NODEDATA(leaf), sizeof(ovp));
{
if ((rc = MDB_PAGE_GET(mc, ovp.op_pgno, ovp.op_pages, &omp, NULL)) != 0) {
if ((rc = MDB_PAGE_GET(mc, ovp.op_pgno, ovp.op_pages, &omp)) != 0) {
DPRINTF(("read overflow page %"Yu" failed", ovp.op_pgno));
return rc;
}
@ -7126,7 +7118,7 @@ mdb_cursor_sibling(MDB_cursor *mc, int move_right)
MDB_PAGE_UNREF(mc->mc_txn, op);
indx = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
if ((rc = MDB_PAGE_GET(mc, NODEPGNO(indx), 1, &mp, NULL)) != 0) {
if ((rc = MDB_PAGE_GET(mc, NODEPGNO(indx), 1, &mp)) != 0) {
/* mc will be inconsistent if caller does mc_snum++ as above */
mc->mc_flags &= ~(C_INITIALIZED|C_EOF);
return rc;
@ -8146,7 +8138,7 @@ current:
int ovpages, dpages = OVPAGES(data->mv_size, env->me_psize);
memcpy(&ovp, olddata.mv_data, sizeof(ovp));
if ((rc2 = MDB_PAGE_GET(mc, ovp.op_pgno, ovp.op_pages, &omp, NULL)) != 0)
if ((rc2 = MDB_PAGE_GET(mc, ovp.op_pgno, ovp.op_pages, &omp)) != 0)
return rc2;
ovpages = ovp.op_pages;
@ -8442,7 +8434,7 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags)
MDB_ovpage ovp;
memcpy(&ovp, NODEDATA(leaf), sizeof(ovp));
if ((rc = MDB_PAGE_GET(mc, ovp.op_pgno, ovp.op_pages, &omp, NULL)) ||
if ((rc = MDB_PAGE_GET(mc, ovp.op_pgno, ovp.op_pages, &omp)) ||
(rc = mdb_ovpage_free(mc, omp)))
goto fail;
}
@ -9609,7 +9601,7 @@ mdb_rebalance(MDB_cursor *mc)
if (rc)
return rc;
mc->mc_db->md_root = NODEPGNO(NODEPTR(mp, 0));
rc = MDB_PAGE_GET(mc, mc->mc_db->md_root, 1, &mc->mc_pg[0], NULL);
rc = MDB_PAGE_GET(mc, mc->mc_db->md_root, 1, &mc->mc_pg[0]);
if (rc)
return rc;
mc->mc_db->md_depth--;
@ -9670,7 +9662,7 @@ mdb_rebalance(MDB_cursor *mc)
DPUTS("reading right neighbor");
mn.mc_ki[ptop]++;
node = NODEPTR(mc->mc_pg[ptop], mn.mc_ki[ptop]);
rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mn.mc_pg[mn.mc_top], NULL);
rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mn.mc_pg[mn.mc_top]);
if (rc)
return rc;
mn.mc_ki[mn.mc_top] = 0;
@ -9682,7 +9674,7 @@ mdb_rebalance(MDB_cursor *mc)
DPUTS("reading left neighbor");
mn.mc_ki[ptop]--;
node = NODEPTR(mc->mc_pg[ptop], mn.mc_ki[ptop]);
rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mn.mc_pg[mn.mc_top], NULL);
rc = MDB_PAGE_GET(mc, NODEPGNO(node), 1, &mn.mc_pg[mn.mc_top]);
if (rc)
return rc;
mn.mc_ki[mn.mc_top] = NUMKEYS(mn.mc_pg[mn.mc_top]) - 1;
@ -10479,7 +10471,7 @@ mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
mc.mc_txn = my->mc_txn;
mc.mc_flags = my->mc_txn->mt_flags & (C_ORIG_RDONLY|C_WRITEMAP);
rc = MDB_PAGE_GET(&mc, *pg, 1, &mc.mc_pg[0], NULL);
rc = MDB_PAGE_GET(&mc, *pg, 1, &mc.mc_pg[0]);
if (rc)
return rc;
rc = mdb_page_search_root(&mc, NULL, MDB_PS_FIRST);
@ -10523,7 +10515,7 @@ mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
}
memcpy(&ovp, NODEDATA(ni), sizeof(ovp));
rc = MDB_PAGE_GET(&mc, ovp.op_pgno, ovp.op_pages, &omp, NULL);
rc = MDB_PAGE_GET(&mc, ovp.op_pgno, ovp.op_pages, &omp);
if (rc)
goto done;
if (my->mc_wlen[toggle] >= MDB_WBUF) {
@ -10575,7 +10567,7 @@ mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
again:
ni = NODEPTR(mp, mc.mc_ki[mc.mc_top]);
pg = NODEPGNO(ni);
rc = MDB_PAGE_GET(&mc, pg, 1, &mp, NULL);
rc = MDB_PAGE_GET(&mc, pg, 1, &mp);
if (rc)
goto done;
mc.mc_top++;
@ -11249,7 +11241,7 @@ mdb_drop0(MDB_cursor *mc, int subs)
if (MDB_REMAPPING(mc->mc_txn->mt_env->me_flags)) {
/* bump refcount for mx's pages */
for (i=0; i<mc->mc_snum; i++)
MDB_PAGE_GET(&mx, mc->mc_pg[i]->mp_pgno, 1, &mx.mc_pg[i], NULL);
MDB_PAGE_GET(&mx, mc->mc_pg[i]->mp_pgno, 1, &mx.mc_pg[i]);
}
while (mc->mc_snum > 0) {

Write Preview
Loading…
Cancel
Save