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libdm: drop callback on revert path

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The system is likely in some very inconsisten state.
Do not try to make it even more problematic with trying
to invoke tools like thin_check via callback.
This commit is contained in:
Zdenek Kabelac 2016-12-17 22:40:59 +01:00
parent 29b0e42be3
commit 954c59779d
2 changed files with 5 additions and 0 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.138 -
=====================================
Do not try call callback when reverting activation on error path.
Fix file mapping for extents with physically adjacent extents.
Validation vsnprintf result in runtime translate of dm_log (1.02.136).
Separate filemap extent allocation from region table.

4
libdm/libdm-deptree.c
View File

@ -2778,6 +2778,10 @@ static int _dm_tree_revert_activated(struct dm_tree_node *parent)
dm_list_iterate_items_gen(child, &parent->activated, activated_list) {
log_debug_activation("Reverting %s.", child->name);
if (child->callback) {
log_debug_activation("Dropping callback for %s.", child->name);
child->callback = NULL;
}
if (!_deactivate_node(child->name, child->info.major, child->info.minor,
&child->dtree->cookie, child->udev_flags, 0)) {
log_error("Unable to deactivate %s (%" PRIu32