ocfs2 patch to track delayed orphan scan timer statistics
Patch to track delayed orphan scan timer statistics.
Modifies ocfs2_osb_dump to print the following:
Orphan Scan=> Local: 10 Global: 21 Last Scan: 67 seconds ago
Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 44ac27e..d05f3ca 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -208,6 +208,7 @@
int i;
struct ocfs2_cluster_connection *cconn = osb->cconn;
struct ocfs2_recovery_map *rm = osb->recovery_map;
+ struct ocfs2_orphan_scan *os;
out += snprintf(buf + out, len - out,
"%10s => Id: %-s Uuid: %-s Gen: 0x%X Label: %-s\n",
@@ -309,6 +310,13 @@
i, osb->slot_recovery_generations[i]);
}
+ os = &osb->osb_orphan_scan;
+ out += snprintf(buf + out, len - out, "Orphan Scan=> ");
+ out += snprintf(buf + out, len - out, "Local: %u Global: %u ",
+ os->os_count, os->os_seqno);
+ out += snprintf(buf + out, len - out, " Last Scan: %lu seconds ago\n",
+ (get_seconds() - os->os_scantime.tv_sec));
+
return out;
}