ocfs2/dlm: Create and destroy the dlm->master_hash

This patch adds code to create and destroy the dlm->master_hash.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index b232aa0b3345..425653f88e98 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -151,6 +151,7 @@ struct dlm_ctxt
         unsigned long recovery_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
         struct dlm_recovery_ctxt reco;
         spinlock_t master_lock;
+        struct hlist_head **master_hash;
         struct list_head master_list;
         struct list_head mle_hb_events;
 
@@ -195,6 +196,13 @@ static inline struct hlist_head *dlm_lockres_hash(struct dlm_ctxt *dlm, unsigned
         return dlm->lockres_hash[(i / DLM_BUCKETS_PER_PAGE) % DLM_HASH_PAGES] + (i % DLM_BUCKETS_PER_PAGE);
 }
 
+static inline struct hlist_head *dlm_master_hash(struct dlm_ctxt *dlm,
+                                                 unsigned i)
+{
+        return dlm->master_hash[(i / DLM_BUCKETS_PER_PAGE) % DLM_HASH_PAGES] +
+                        (i % DLM_BUCKETS_PER_PAGE);
+}
+
 /* these keventd work queue items are for less-frequently
  * called functions that cannot be directly called from the
  * net message handlers for some reason, usually because