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thin: add lv_is_new_thin_pool

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Recognize 'new' (and never used) lvm2 thin pool - it has 'transaction_id' == 0
(lv_is_used_thin_pool() has slightly different meaning).
This commit is contained in:
Zdenek Kabelac 2014-11-04 10:31:28 +01:00
parent 89233544e0
commit 26aa912b46
1 changed files with 1 additions and 0 deletions
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lib/metadata/metadata-exported.h
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@ -175,6 +175,7 @@
#define lv_is_thin_volume(lv) (((lv)->status & THIN_VOLUME) ? 1 : 0)
#define lv_is_thin_pool(lv) (((lv)->status & THIN_POOL) ? 1 : 0)
#define lv_is_new_thin_pool(lv) (lv_is_thin_pool(lv) && !first_seg(lv)->transaction_id)
#define lv_is_used_thin_pool(lv) (lv_is_thin_pool(lv) && !dm_list_empty(&(lv)->segs_using_this_lv))
#define lv_is_thin_pool_data(lv) (((lv)->status & THIN_POOL_DATA) ? 1 : 0)
#define lv_is_thin_pool_metadata(lv) (((lv)->status & THIN_POOL_METADATA) ? 1 : 0)