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libdm: avoid resume if preloaded device is smaller

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When we preload device with smaller size, we avoid its resume,
so later suspend/resume of full device tree my process all
existing in flight bios.

Also update comment and avoid using confusing opposite meaning.
This commit is contained in:
Zdenek Kabelac 2017-02-10 19:57:04 +01:00
parent 035c614c19
commit c908a8b131
2 changed files with 3 additions and 2 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.138 -
=====================================
Avoids immediate resume when preloaded device is smaller.
Do not suppress kernel key description in dmsetup table output.
Support configurable command executed from dmeventd thin plugin.
Support new R|r human readable units output format.

4
libdm/libdm-deptree.c
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@ -2874,8 +2874,8 @@ int dm_tree_preload_children(struct dm_tree_node *dnode,
else if (child->props.size_changed < 0)
dnode->props.size_changed = -1;
/* Resume device immediately if it has parents and its size changed */
if (!dm_tree_node_num_children(child, 1) || !child->props.size_changed)
/* No resume for a device without parents or with unchanged or smaller size */
if (!dm_tree_node_num_children(child, 1) || (child->props.size_changed <= 0))
continue;
if (!node_created && (dm_list_size(&child->props.segs) == 1)) {