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pvmove: support properly subLV locking

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Since we support snapshot of mirrors, we do need to properly check
for stacked lock holder - fixes problem of pvmove in cluster
with mirrors under snapshot.

WHATS_NEW for this patch goes with 'Restore pvmove support...'
This commit is contained in:
Zdenek Kabelac 2018-03-27 21:08:40 +02:00
parent 7a7b8a7778
commit ace97c9f9c
1 changed files with 9 additions and 4 deletions
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13
tools/pvmove.c
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@ -393,10 +393,15 @@ static struct logical_volume *_set_up_pvmove_lv(struct cmd_context *cmd,
}
seg = first_seg(lv);
/* Presence of exclusive LV decides whether pvmove must be also exclusive */
if ((seg_only_exclusive(seg) || lv_is_origin(lv) || lv_is_cow(lv)))
needs_exclusive = 1;
if (!needs_exclusive) {
/* Presence of exclusive LV decides whether pvmove must be also exclusive */
if (!seg_only_exclusive(seg)) {
holder = lv_lock_holder(lv);
if (seg_only_exclusive(first_seg(holder)) || lv_is_origin(holder) || lv_is_cow(holder))
needs_exclusive = 1;
} else
needs_exclusive = 1;
}
if (seg_is_raid(seg) || seg_is_mirrored(seg)) {
dm_list_init(&trim_list);