master - lvscan: Make --cache impervious to already-missing devices.

[Petr Rockai]

Gitweb:        http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=0208665209c4e8f02...
Commit:        0208665209c4e8f02841a426e6073a48195f56c1
Parent:        03a88da86895f4700edf77af4efde62a30e67bff
Author:        Petr Rockai 
AuthorDate:    Mon Aug 4 17:02:26 2014 +0200
Committer:     Petr Rockai 
CommitterDate: Mon Aug 4 17:03:17 2014 +0200

lvscan: Make --cache impervious to already-missing devices.

---
 tools/lvscan.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/tools/lvscan.c b/tools/lvscan.c
index df8a12e..0cfbe83 100644
--- a/tools/lvscan.c
+++ b/tools/lvscan.c
@@ -19,6 +19,7 @@ static int _lvscan_single_lvmetad(struct cmd_context *cmd, struct logical_volume
 {
    struct pv_list *pvl;
    struct dm_list pvs;
+	char pvid_s[64];

if (!lvmetad_used()) {
    	log_verbose("Ignoring lvscan --cache because lvmetad is not in use.");
@@ -30,9 +31,16 @@ static int _lvscan_single_lvmetad(struct cmd_context *cmd, struct logical_volume
    if (!get_pv_list_for_lv(lv->vg->vgmem, lv, &pvs))
    	return ECMD_FAILED;

-	dm_list_iterate_items(pvl, &pvs)
+	dm_list_iterate_items(pvl, &pvs) {
+		if (!pvl->pv->dev) {
+			id_write_format(&pvl->pv->id, pvid_s, sizeof(pvid_s));
+			log_warn("WARNING: Device for PV %s already missing, skipping.",
+				 pvid_s);
+			continue;
+		}
    	if (!lvmetad_pvscan_single(cmd, pvl->pv->dev, NULL))
    		return ECMD_FAILED;
+	}

return ECMD_PROCESSED;
 }