Gitweb:
http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=836eb122cec35c...
Commit: 836eb122cec35c1f00281968d92f9d85e67652d7
Parent: 4a7f2155c1d6bd5df1226632c5c5d5631c5abc97
Author: Zdenek Kabelac <zkabelac(a)redhat.com>
AuthorDate: Mon Jan 23 14:23:24 2017 +0100
Committer: Zdenek Kabelac <zkabelac(a)redhat.com>
CommitterDate: Mon Jan 23 14:55:47 2017 +0100
dmeventd_thind: set LVM_RUN_BY_DMEVENTD
Set LVM_RUN_BY_DMEVENTD envvar to expose the command is runing from
dmeventd environment.
---
daemons/dmeventd/plugins/thin/dmeventd_thin.c | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/daemons/dmeventd/plugins/thin/dmeventd_thin.c
b/daemons/dmeventd/plugins/thin/dmeventd_thin.c
index a6a534d..f551971 100644
--- a/daemons/dmeventd/plugins/thin/dmeventd_thin.c
+++ b/daemons/dmeventd/plugins/thin/dmeventd_thin.c
@@ -69,19 +69,23 @@ DM_EVENT_LOG_FN("thin")
static int _run_command(struct dso_state *state)
{
- char val[2][36];
- char *env[] = { val[0], val[1], NULL };
+ char val[3][36];
+ char *env[] = { val[0], val[1], val[2], NULL };
int i;
+ /* Mark for possible lvm2 command we are running from dmeventd
+ * lvm2 will not try to talk back to dmeventd while processing it */
+ (void) dm_snprintf(val[0], sizeof(val[0]), "LVM_RUN_BY_DMEVENTD=1");
+
if (state->data_percent) {
/* Prepare some known data to env vars for easy use */
- (void) dm_snprintf(val[0], sizeof(val[0]), "DMEVENTD_THIN_POOL_DATA=%d",
+ (void) dm_snprintf(val[1], sizeof(val[1]), "DMEVENTD_THIN_POOL_DATA=%d",
state->data_percent / DM_PERCENT_1);
- (void) dm_snprintf(val[1], sizeof(val[1]), "DMEVENTD_THIN_POOL_METADATA=%d",
+ (void) dm_snprintf(val[2], sizeof(val[2]), "DMEVENTD_THIN_POOL_METADATA=%d",
state->metadata_percent / DM_PERCENT_1);
} else {
/* For an error event it's for a user to check status and decide */
- env[0] = NULL;
+ env[1] = NULL;
log_debug("Error event processing");
}