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libdm: deactivate failed node in preload

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If the resume of preloaded node fails, do not leave such
node in the table - since it may not be easy to detach such
node later when the node is i.e. internal.

i.e. failing activation of the thin pool with mismatching
chunk size may leave -tpool device in the table, which
could have been then removed only by dmsetup command.
This commit is contained in:
Zdenek Kabelac 2012-12-02 16:32:42 +01:00
parent ade2f47829
commit 97f8454ecc
2 changed files with 6 additions and 0 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.78 - Version 1.02.78 -
=================================== ===================================
Automatically deactivate failed preloaded dm tree node.
Add DM_DISABLE_UDEV environment variable to manage dev nodes by libdm only. Add DM_DISABLE_UDEV environment variable to manage dev nodes by libdm only.
Fix dm_task_set_cookie to properly process udev flags if udev_sync disabled. Fix dm_task_set_cookie to properly process udev flags if udev_sync disabled.

5
libdm/libdm-deptree.c
View File

@ -2496,6 +2496,11 @@ int dm_tree_preload_children(struct dm_tree_node *dnode,
log_error("Unable to resume %s (%" PRIu32 log_error("Unable to resume %s (%" PRIu32
":%" PRIu32 ")", child->name, child->info.major, ":%" PRIu32 ")", child->name, child->info.major,
child->info.minor); child->info.minor);
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
":%" PRIu32 ")", child->name, child->info.major,
child->info.minor);
r = 0; r = 0;
continue; continue;
} }