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lvextend: detect stacked cache lv used for thinpool

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Ensure, that cacheLV is not tried to be resize until full support is
added.
This commit is contained in:
Zdenek Kabelac 2017-10-23 11:20:32 +02:00
parent de58df390b
commit d6fcab900b
2 changed files with 3 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.176 -
===================================
Avoid internal error when resizing cache type _tdata LV (not yet supported).
Show original converted names when lvconverting LV to pool volume.
Move lib code used only by liblvm into metadata-liblvm.c.
Distinguish between device not found and excluded by filter.

3
lib/metadata/lv_manip.c
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@ -4797,7 +4797,8 @@ static int _lvresize_check(struct logical_volume *lv,
return 0;
}
if (lv_is_cache_type(lv)) {
if (lv_is_cache_type(lv) ||
(lv_is_thin_pool(lv) && lv_is_cache_type(seg_lv(first_seg(lv), 0)))) {
log_error("Unable to resize logical volumes of cache type.");
return 0;
}