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display: check for dmeventd support

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When quering for dmeventd monitoring status, check first
if lvm2 is configured to monitor to avoid unwanted start
of dmeventd process for answering monitoring status.
This commit is contained in:
Zdenek Kabelac 2014-04-30 10:13:35 +02:00
parent b1f765d72a
commit 517b002648
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 2.02.107 - Version 2.02.107 -
================================== ==================================
Don't start dmeventd checking seg_monitor and monitoring is disabled.
Catch CTRL-c during pvremove prompts. Catch CTRL-c during pvremove prompts.
Show correct availability status for snapshot origin in lvscan. Show correct availability status for snapshot origin in lvscan.
Move segment thin pool/volume info into segment display 'lvdisplay --maps'. Move segment thin pool/volume info into segment display 'lvdisplay --maps'.

3
lib/metadata/lv.c
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@ -146,7 +146,8 @@ char *lvseg_monitor_dup(struct dm_pool *mem, const struct lv_segment *seg)
segm = first_seg(seg->log_lv); segm = first_seg(seg->log_lv);
// log_debug("Query LV:%s mon:%s segm:%s tgtm:%p segmon:%d statusm:%d", seg->lv->name, segm->lv->name, segm->segtype->name, segm->segtype->ops->target_monitored, seg_monitored(segm), (int)(segm->status & PVMOVE)); // log_debug("Query LV:%s mon:%s segm:%s tgtm:%p segmon:%d statusm:%d", seg->lv->name, segm->lv->name, segm->segtype->name, segm->segtype->ops->target_monitored, seg_monitored(segm), (int)(segm->status & PVMOVE));
if (!segm->segtype->ops->target_monitored) if ((dmeventd_monitor_mode() != 1) ||
!segm->segtype->ops->target_monitored)
/* Nothing to do, monitoring not supported */; /* Nothing to do, monitoring not supported */;
else if (lv_is_cow_covering_origin(seg->lv)) else if (lv_is_cow_covering_origin(seg->lv))
/* Nothing to do, snapshot already covers origin */; /* Nothing to do, snapshot already covers origin */;