1 files changed, 15 insertions, 20 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 60a23e1906b0..d08480580470 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -101,6 +101,7 @@ enum ocfs2_unlock_action {
                                                * about to be
                                                * dropped. */
 #define OCFS2_LOCK_QUEUED        (0x00000100) /* queued for downconvert */
+#define OCFS2_LOCK_NOCACHE       (0x00000200) /* don't use a holder count */
 
 struct ocfs2_lock_res_ops;
 
@@ -170,6 +171,7 @@ enum ocfs2_mount_options
         OCFS2_MOUNT_NOINTR  = 1 << 2,   /* Don't catch signals */
         OCFS2_MOUNT_ERRORS_PANIC = 1 << 3, /* Panic on errors */
         OCFS2_MOUNT_DATA_WRITEBACK = 1 << 4, /* No data ordering */
+        OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */
 };
 
 #define OCFS2_OSB_SOFT_RO       0x0001
@@ -189,9 +191,7 @@ struct ocfs2_super
         struct ocfs2_slot_info *slot_info;
 
         spinlock_t node_map_lock;
-        struct ocfs2_node_map mounted_map;
         struct ocfs2_node_map recovery_map;
-        struct ocfs2_node_map umount_map;
 
         u64 root_blkno;
         u64 system_dir_blkno;
@@ -231,7 +231,9 @@ struct ocfs2_super
         wait_queue_head_t checkpoint_event;
         atomic_t needs_checkpoint;
         struct ocfs2_journal *journal;
+        unsigned long osb_commit_interval;
 
+        int local_alloc_size;
         enum ocfs2_local_alloc_state local_alloc_state;
         struct buffer_head *local_alloc_bh;
         u64 la_last_gd;
@@ -254,28 +256,21 @@ struct ocfs2_super
 
         wait_queue_head_t recovery_event;
 
-        spinlock_t vote_task_lock;
-        struct task_struct *vote_task;
-        wait_queue_head_t vote_event;
-        unsigned long vote_wake_sequence;
-        unsigned long vote_work_sequence;
+        spinlock_t dc_task_lock;
+        struct task_struct *dc_task;
+        wait_queue_head_t dc_event;
+        unsigned long dc_wake_sequence;
+        unsigned long dc_work_sequence;
 
+        /*
+         * Any thread can add locks to the list, but the downconvert
+         * thread is the only one allowed to remove locks. Any change
+         * to this rule requires updating
+         * ocfs2_downconvert_thread_do_work().
+         */
         struct list_head blocked_lock_list;
         unsigned long blocked_lock_count;
 
-        struct list_head vote_list;
-        int vote_count;
-
-        u32 net_key;
-        spinlock_t net_response_lock;
-        unsigned int net_response_ids;
-        struct list_head net_response_list;
-
-        struct o2hb_callback_func osb_hb_up;
-        struct o2hb_callback_func osb_hb_down;
-
-        struct list_head        osb_net_handlers;
-
         wait_queue_head_t               osb_mount_event;
 
         /* Truncate log info */