diff options
Diffstat (limited to 'lib/metadata/thin_manip.c')
| -rw-r--r-- | lib/metadata/thin_manip.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/metadata/thin_manip.c b/lib/metadata/thin_manip.c index 451c38260..6ce88bd3d 100644 --- a/lib/metadata/thin_manip.c +++ b/lib/metadata/thin_manip.c @@ -21,6 +21,18 @@ #include "lib/config/defaults.h" #include "lib/display/display.h" +struct logical_volume *data_lv_from_thin_pool(struct logical_volume *pool_lv) +{ + struct lv_segment *seg_thinpool = first_seg(pool_lv); + + if (!seg_thinpool || !seg_is_thin_pool(seg_thinpool)) { + log_error(INTERNAL_ERROR "data_lv_from_thin_pool arg not thin pool %s", pool_lv->name); + return NULL; + } + + return seg_thinpool->areas[0].u.lv.lv; +} + /* TODO: drop unused no_update */ int attach_pool_message(struct lv_segment *pool_seg, dm_thin_message_t type, struct logical_volume *lv, uint32_t delete_id, |