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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 - 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. Show original converted names when lvconverting LV to pool volume.
Move lib code used only by liblvm into metadata-liblvm.c. Move lib code used only by liblvm into metadata-liblvm.c.
Distinguish between device not found and excluded by filter. 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; 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."); log_error("Unable to resize logical volumes of cache type.");
return 0; return 0;
} }