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toollib: close connection to lvmetad after fork

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sharing connection between parent command and background
processes spawned from parent could lead to occasional failures
due to unexpected corruption in daemon responses sent to either child
or a parent.

lvmetad issued warning about duplicate config values in request.
LVM commands occasionaly failed w/ internal error after receving
corrupted response.

lvmetad connection is renewed when needed after explicit disconnect
in child
This commit is contained in:
Ondrej Kozina 2015-04-13 16:29:15 +02:00
parent c26d81d6e6
commit fe30658a4d
1 changed files with 2 additions and 0 deletions
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2
tools/toollib.c
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@ -97,6 +97,8 @@ int become_daemon(struct cmd_context *cmd, int skip_lvm)
strncpy(*cmd->argv, "(lvm2)", strlen(*cmd->argv));
lvmetad_disconnect();
if (!skip_lvm) {
reset_locking();
lvmcache_destroy(cmd, 1, 1);