[lvm-devel] main - hints: don't use hints when --sysinit is used
David Teigland
teigland at sourceware.org
Thu Apr 1 19:39:22 UTC 2021
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=12949ea886259ead84597a1d4de37c8715d8edb7
Commit: 12949ea886259ead84597a1d4de37c8715d8edb7
Parent: 01d5e4d1ca27b5dbf4dce19be3da2ab83cefd40d
Author: David Teigland <teigland at redhat.com>
AuthorDate: Thu Apr 1 14:37:24 2021 -0500
Committer: David Teigland <teigland at redhat.com>
CommitterDate: Thu Apr 1 14:37:24 2021 -0500
hints: don't use hints when --sysinit is used
Devices are not in a steady state during system init,
so hints are repeatedly invalidated, and hardly used,
so maintaining them is wasted effort.
---
tools/lvmcmdline.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/lvmcmdline.c b/tools/lvmcmdline.c
index 796ecfa78..23ab6fa37 100644
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -2488,6 +2488,14 @@ static int _get_current_settings(struct cmd_context *cmd)
if (arg_is_set(cmd, devicesfile_ARG) || arg_is_set(cmd, devices_ARG))
cmd->use_hints = 0;
+ /*
+ * During system init, hints are repeatedly invalidated due to PVs
+ * appearing, so it's wasted effort to try to maintain hints.
+ * Hints are only effective when devices are in a steady-state.
+ */
+ if (arg_is_set(cmd, sysinit_ARG))
+ cmd->use_hints = 0;
+
if ((hint_mode = find_config_tree_str(cmd, devices_hints_CFG, NULL))) {
if (!strcmp(hint_mode, "none")) {
cmd->enable_hints = 0;
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