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activation: add generic rule for visibility change

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Whenever we make visible LV out of previously invisible one,
reload it's table - the is mandator for proper udev rule
processing as well as ensure content of dm table is correct.

TODO: this new generic rule probably make extra raid rules unnecessary.
This commit is contained in:
Zdenek Kabelac 2018-04-20 11:55:22 +02:00
parent 9068de011d
commit ff3ffe30e4
2 changed files with 7 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.178 -
=====================================
Enhnace preloading tree creating.
Fix regression on acceptance of any LV on lvconvert.
Restore usability of thin LV to be again external origin for another thin.
Keep systemd vars on change event in 69-dm-lvm-metad.rules for systemd reload.

6
lib/activate/activate.c
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@ -2108,6 +2108,12 @@ static int _preload_detached_lv(struct logical_volume *lv, void *data)
return_0;
}
if (!lv_is_visible(lv) && (lv_pre = find_lv(detached->lv_pre->vg, lv->name)) &&
lv_is_visible(lv_pre)) {
if (!_lv_preload(lv_pre, detached->laopts, detached->flush_required))
return_0;
}
/* FIXME: condition here should be far more limiting to really
* detect detached LVs */
if ((lv_pre = find_lv(detached->lv_pre->vg, lv->name))) {