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Applying InnoDB snapshot 5.1-ss6242, part 3. Fixes BUG#48469

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1. BUG#4869 - when innodb tablespace is configured too small,
              crash and corruption!

Detailed revision comments:

r6187 | jyang | 2009-11-18 05:27:30 +0200 (Wed, 18 Nov 2009) | 9 lines
branches/5.1: Fix bug #48469 "when innodb tablespace is
configured too small, crash and corruption!". Function
btr_create() did not check the return status of fseg_create(),
and continue the index creation even there is no sufficient
space.

rb://205 Approved by Marko

r6200 | vasil | 2009-11-19 12:14:23 +0200 (Thu, 19 Nov 2009) | 4 lines
branches/5.1:

White space fixup - indent under the opening (

r6203 | jyang | 2009-11-19 15:12:22 +0200 (Thu, 19 Nov 2009) | 8 lines
branches/5.1: Use btr_free_root() instead of fseg_free() for
the fix of bug #48469, because fseg_free() is not defined
in the zip branch. And we could save one mini-trasaction started
by fseg_free().

Approved by Marko.
This commit is contained in:
Satya B 2009-11-30 14:20:08 +05:30
commit f452f1271f
1 changed files with 9 additions and 2 deletions
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11
storage/innobase/btr/btr0btr.c
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@ -709,8 +709,15 @@ btr_create(
} else {
/* It is a non-ibuf tree: create a file segment for leaf
pages */
fseg_create(space, page_no, PAGE_HEADER + PAGE_BTR_SEG_LEAF,
mtr);
if (!fseg_create(space, page_no,
PAGE_HEADER + PAGE_BTR_SEG_LEAF, mtr)) {
/* Not enough space for new segment, free root
segment before return. */
btr_free_root(space, page_no, mtr);
return(FIL_NULL);
}
/* The fseg create acquires a second latch on the page,
therefore we must declare it: */
#ifdef UNIV_SYNC_DEBUG