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attempt to cope with uuid transition
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parent
878467cd7c
commit
2b69db1f25
@ -362,6 +362,30 @@ int dm_deptree_node_num_children(struct deptree_node *node, uint32_t inverted)
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return list_size(&node->uses);
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}
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/*
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* Returns 1 if no prefix supplied
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*/
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static int _uuid_prefix_matches(const char *uuid, const char *uuid_prefix, size_t uuid_prefix_len)
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{
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if (!uuid_prefix)
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return 1;
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if (!strncmp(uuid, uuid_prefix, uuid_prefix_len))
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return 1;
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/* Handle transition: active device uuids might be missing the prefix */
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if (uuid_prefix_len <= 4)
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return 0;
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if (!strcmp(uuid, "LVM-") || strcmp(uuid_prefix, "LVM-"))
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return 0;
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if (!strncmp(uuid, uuid_prefix + 4, uuid_prefix_len - 4))
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return 1;
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return 0;
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}
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/*
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* Returns 1 if no children.
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*/
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@ -392,7 +416,7 @@ static int _children_suspended(struct deptree_node *node,
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}
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/* Ignore if it doesn't belong to this VG */
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if (uuid_prefix && strncmp(uuid, uuid_prefix, uuid_prefix_len))
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if (!_uuid_prefix_matches(uuid, uuid_prefix, uuid_prefix_len))
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continue;
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if (!(dinfo = dm_deptree_node_get_info(dlink->node))) {
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@ -563,7 +587,7 @@ int dm_deptree_deactivate_children(struct deptree_node *dnode,
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}
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/* Ignore if it doesn't belong to this VG */
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if (uuid_prefix && strncmp(uuid, uuid_prefix, uuid_prefix_len))
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if (!_uuid_prefix_matches(uuid, uuid_prefix, uuid_prefix_len))
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continue;
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/* Refresh open_count */
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@ -614,7 +638,7 @@ int dm_deptree_suspend_children(struct deptree_node *dnode,
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}
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/* Ignore if it doesn't belong to this VG */
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if (uuid_prefix && strncmp(uuid, uuid_prefix, uuid_prefix_len))
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if (!_uuid_prefix_matches(uuid, uuid_prefix, uuid_prefix_len))
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continue;
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/* Ensure immediate parents are already suspended */
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