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ibuf_merge_or_delete_for_page(): Fix inappropriate latching of pages

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when merging a purge (IBUF_OP_DELETE).
This bug was introduced in r6772.
This commit is contained in:
marko 2010-03-11 11:38:47 +00:00
parent b1143bcda9
commit 6429bcd555
1 changed files with 15 additions and 0 deletions
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15
ibuf/ibuf0ibuf.c
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@ -4392,11 +4392,26 @@ loop:
btr_pcur_store_position(&pcur, &mtr);
btr_pcur_commit_specify_mtr(&pcur, &mtr);
mtr_start(&mtr);
if (block) {
ibool success;
success = buf_page_get_known_nowait(
RW_X_LATCH, block,
BUF_KEEP_OLD,
__FILE__, __LINE__, &mtr);
ut_a(success);
buf_block_dbg_add_level(
block, SYNC_TREE_NODE);
}
if (!ibuf_restore_pos(space, page_no,
search_tuple,
BTR_MODIFY_LEAF,
&pcur, &mtr)) {
mtr_commit(&mtr);
mops[op]++;
ibuf_dummy_index_free(dummy_index);
goto loop;