md-cluster: split recover_slot for future code reuse
Make recover_slot as a wraper to __recover_slot, since the
logic of __recover_slot can be reused for the condition
when other nodes need to take over the resync job.
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: NeilBrown <neilb@suse.com>
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 85ef5c5..24caabe 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -269,16 +269,11 @@
set_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state);
}
-static void recover_slot(void *arg, struct dlm_slot *slot)
+static void __recover_slot(struct mddev *mddev, int slot)
{
- struct mddev *mddev = arg;
struct md_cluster_info *cinfo = mddev->cluster_info;
- pr_info("md-cluster: %s Node %d/%d down. My slot: %d. Initiating recovery.\n",
- mddev->bitmap_info.cluster_name,
- slot->nodeid, slot->slot,
- cinfo->slot_number);
- set_bit(slot->slot - 1, &cinfo->recovery_map);
+ set_bit(slot, &cinfo->recovery_map);
if (!cinfo->recovery_thread) {
cinfo->recovery_thread = md_register_thread(recover_bitmaps,
mddev, "recover");
@@ -290,6 +285,20 @@
md_wakeup_thread(cinfo->recovery_thread);
}
+static void recover_slot(void *arg, struct dlm_slot *slot)
+{
+ struct mddev *mddev = arg;
+ struct md_cluster_info *cinfo = mddev->cluster_info;
+
+ pr_info("md-cluster: %s Node %d/%d down. My slot: %d. Initiating recovery.\n",
+ mddev->bitmap_info.cluster_name,
+ slot->nodeid, slot->slot,
+ cinfo->slot_number);
+ /* deduct one since dlm slot starts from one while the num of
+ * cluster-md begins with 0 */
+ __recover_slot(mddev, slot->slot - 1);
+}
+
static void recover_done(void *arg, struct dlm_slot *slots,
int num_slots, int our_slot,
uint32_t generation)