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Allow mirror images to have more than one segment.

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This commit is contained in:
Alasdair Kergon 2005-06-03 18:07:13 +00:00
parent 5c9a54e480
commit c77de77790
2 changed files with 8 additions and 3 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.01.11 -
==============================
Allow mirror images to have more than one segment.
Centralise restrictions on LV names.
Always insert an intermediate layer for mirrors.
Suppress hidden LVs from reports unless --all is given.

10
lib/metadata/lv_manip.c
View File

@ -621,7 +621,10 @@ static int _find_parallel_space(struct alloc_handle *ah, alloc_policy_t alloc,
if (contiguous && (contiguous_count < ix_offset))
break;
if (ix + ix_offset < ah->area_count + ah->log_count)
/* Only allocate log_area the first time around */
if (ix + ix_offset < ah->area_count +
(ah->log_count && !ah->log_area.len) ?
ah->log_count : 0)
/* FIXME With ALLOC_ANYWHERE, need to split areas */
break;
@ -630,9 +633,10 @@ static int _find_parallel_space(struct alloc_handle *ah, alloc_policy_t alloc,
qsort(areas + ix_offset, ix, sizeof(*areas),
_comp_area);
/* First time around, use smallest area as log_area */
if (!_alloc_parallel_area(ah, needed, areas,
allocated,
ah->log_count ?
(ah->log_count && !ah->log_area.len) ?
*(areas + ix_offset + ix - 1) :
NULL)) {
stack;
@ -673,7 +677,7 @@ static int _allocate(struct alloc_handle *ah,
return 1;
}
if (mirrored_pv || (ah->alloc == ALLOC_CONTIGUOUS) || ah->log_count)
if (mirrored_pv || (ah->alloc == ALLOC_CONTIGUOUS))
can_split = 0;
if (lv && !list_empty(&lv->segments))