[dm-devel] [PATCH v2 4/4] multipathd: don't resend change events for unknown devices
Benjamin Marzinski
bmarzins at redhat.com
Wed Feb 13 22:55:08 UTC 2019
If multipath fails to get the wwid for a device, and the device is
of an unknown type (pp->bus == SYSFS_BUS_UNDEF), don't send change
events. Instead, assume that the device was not meant to be used
and skip it.
Reviewed-by: Martin Wilck <mwilck at suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
libmultipath/discovery.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 6aef188..10bd8cd 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -1966,6 +1966,8 @@ int pathinfo(struct path *pp, struct config *conf, int mask)
if ((mask & DI_WWID) && !strlen(pp->wwid)) {
get_uid(pp, path_state, pp->udev);
if (!strlen(pp->wwid)) {
+ if (pp->bus == SYSFS_BUS_UNDEF)
+ return PATHINFO_SKIPPED;
if (pp->initialized != INIT_FAILED) {
pp->initialized = INIT_MISSING_UDEV;
pp->tick = conf->retrigger_delay;
--
2.17.2
More information about the dm-devel
mailing list