ocfs2/dlm: Activate dlm->master_hash for master list entries

With this patch, the mles are stored in a hash and not a simple list.
This should improve the mle lookup time when the number of outstanding
masteries is large.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 425653f88e98..aa55271a7aca 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -56,12 +56,13 @@ enum dlm_mle_type {
 };
 
 struct dlm_lock_name {
+        unsigned int hash;
         unsigned int len;
         unsigned char name[DLM_LOCKID_NAME_MAX];
 };
 
 struct dlm_master_list_entry {
-        struct list_head list;
+        struct hlist_node master_hash_node;
         struct list_head hb_events;
         struct dlm_ctxt *dlm;
         spinlock_t spinlock;
@@ -152,7 +153,6 @@ struct dlm_ctxt
         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;
 
         /* these give a really vague idea of the system load */