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Red Hat Bugzilla – Attachment 641533 Details for
Bug 816724
udev issues when running lvm regression tests
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[patch]
Do not take global lock when not needed
0.patch (text/plain), 914 bytes, created by
Peter Rajnoha
on 2012-11-09 13:47:58 UTC
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Description:
Do not take global lock when not needed
Filename:
MIME Type:
Creator:
Peter Rajnoha
Created:
2012-11-09 13:47:58 UTC
Size:
914 bytes
patch
obsolete
> tools/pvscan.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > >diff --git a/tools/pvscan.c b/tools/pvscan.c >index 3d5ddef..2b35293 100644 >--- a/tools/pvscan.c >+++ b/tools/pvscan.c >@@ -119,6 +119,18 @@ static int _pvscan_lvmetad(struct cmd_context *cmd, int argc, char **argv) > char *buf; > activation_handler handler = NULL; > >+ /* >+ * Return here immediately if lvmetad is not used. >+ * Also return if locking_type=3 (clustered) as we >+ * dont't support cluster + lvmetad yet. >+ * >+ * This is to avoid taking the global lock uselessly >+ * and to prevent hangs in clustered environment. >+ */ >+ if (find_config_tree_int(cmd, "global/locking_type", 1) == 3 || >+ !find_config_tree_int(cmd, "global/use_lvmetad", 0)) >+ return ret; >+ > if (arg_count(cmd, activate_ARG)) { > if (arg_uint_value(cmd, activate_ARG, CHANGE_AAY) != CHANGE_AAY) { > log_error("Only --activate ay allowed with pvscan.");
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