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authorGuoqing Jiang <gqjiang@suse.com>2015-07-10 16:54:03 +0800
committerNeilBrown <neilb@suse.com>2015-08-31 19:40:41 +0200
commit05cd0e51769a51f53c68e83976c83653f6ab1595 (patch)
treeb07bbeb782f9ca5f795547e7cd489f03ff1eed17 /drivers/md/md-cluster.c
parentb89f704a8ddf7be1a66af9aad350226ae283292f (diff)
downloadlinux-05cd0e51769a51f53c68e83976c83653f6ab1595.tar.bz2
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>
Diffstat (limited to 'drivers/md/md-cluster.c')
-rw-r--r--drivers/md/md-cluster.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 85ef5c5aa350..24caabef10cd 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -269,16 +269,11 @@ static void recover_prep(void *arg)
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 @@ static void recover_slot(void *arg, struct dlm_slot *slot)
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)