1 files changed, 61 insertions, 16 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 6546cef212e3..31692379c170 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -36,11 +36,8 @@
 #include <linux/mutex.h>
 #include <linux/jbd.h>
 
-#include "cluster/nodemanager.h"
-#include "cluster/heartbeat.h"
-#include "cluster/tcp.h"
-
-#include "dlm/dlmapi.h"
+/* For union ocfs2_dlm_lksb */
+#include "stackglue.h"
 
 #include "ocfs2_fs.h"
 #include "ocfs2_lockid.h"
@@ -101,6 +98,9 @@ enum ocfs2_unlock_action {
                                                * dropped. */
 #define OCFS2_LOCK_QUEUED        (0x00000100) /* queued for downconvert */
 #define OCFS2_LOCK_NOCACHE       (0x00000200) /* don't use a holder count */
+#define OCFS2_LOCK_PENDING       (0x00000400) /* This lockres is pending a
+                                                 call to dlm_lock.  Only
+                                                 exists with BUSY set. */
 
 struct ocfs2_lock_res_ops;
 
@@ -120,13 +120,14 @@ struct ocfs2_lock_res {
         int                      l_level;
         unsigned int             l_ro_holders;
         unsigned int             l_ex_holders;
-        struct dlm_lockstatus    l_lksb;
+        union ocfs2_dlm_lksb     l_lksb;
 
         /* used from AST/BAST funcs. */
         enum ocfs2_ast_action    l_action;
         enum ocfs2_unlock_action l_unlock_action;
         int                      l_requested;
         int                      l_blocking;
+        unsigned int             l_pending_gen;
 
         wait_queue_head_t        l_event;
 
@@ -179,6 +180,8 @@ enum ocfs2_mount_options
 #define OCFS2_DEFAULT_ATIME_QUANTUM     60
 
 struct ocfs2_journal;
+struct ocfs2_slot_info;
+struct ocfs2_recovery_map;
 struct ocfs2_super
 {
         struct task_struct *commit_task;
@@ -190,7 +193,6 @@ struct ocfs2_super
         struct ocfs2_slot_info *slot_info;
 
         spinlock_t node_map_lock;
-        struct ocfs2_node_map recovery_map;
 
         u64 root_blkno;
         u64 system_dir_blkno;
@@ -206,25 +208,29 @@ struct ocfs2_super
         u32 s_feature_incompat;
         u32 s_feature_ro_compat;
 
-        /* Protects s_next_generaion, osb_flags. Could protect more on
-         * osb as it's very short lived. */
+        /* Protects s_next_generation, osb_flags and s_inode_steal_slot.
+         * Could protect more on osb as it's very short lived.
+         */
         spinlock_t osb_lock;
         u32 s_next_generation;
         unsigned long osb_flags;
+        s16 s_inode_steal_slot;
+        atomic_t s_num_inodes_stolen;
 
         unsigned long s_mount_opt;
         unsigned int s_atime_quantum;
 
-        u16 max_slots;
-        s16 node_num;
-        s16 slot_num;
-        s16 preferred_slot;
+        unsigned int max_slots;
+        unsigned int node_num;
+        int slot_num;
+        int preferred_slot;
         int s_sectsize_bits;
         int s_clustersize;
         int s_clustersize_bits;
 
         atomic_t vol_state;
         struct mutex recovery_lock;
+        struct ocfs2_recovery_map *recovery_map;
         struct task_struct *recovery_thread_task;
         int disable_recovery;
         wait_queue_head_t checkpoint_event;
@@ -245,12 +251,11 @@ struct ocfs2_super
         struct ocfs2_alloc_stats alloc_stats;
         char dev_str[20];               /* "major,minor" of the device */
 
-        struct dlm_ctxt *dlm;
+        char osb_cluster_stack[OCFS2_STACK_LABEL_LEN + 1];
+        struct ocfs2_cluster_connection *cconn;
         struct ocfs2_lock_res osb_super_lockres;
         struct ocfs2_lock_res osb_rename_lockres;
-        struct dlm_eviction_cb osb_eviction_cb;
         struct ocfs2_dlm_debug *osb_dlm_debug;
-        struct dlm_protocol_version osb_locking_proto;
 
         struct dentry *osb_debug_root;
 
@@ -367,11 +372,24 @@ static inline int ocfs2_is_soft_readonly(struct ocfs2_super *osb)
         return ret;
 }
 
+static inline int ocfs2_userspace_stack(struct ocfs2_super *osb)
+{
+        return (osb->s_feature_incompat &
+                OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK);
+}
+
 static inline int ocfs2_mount_local(struct ocfs2_super *osb)
 {
         return (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT);
 }
 
+static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)
+{
+        return (osb->s_feature_incompat &
+                OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP);
+}
+
+
 #define OCFS2_IS_VALID_DINODE(ptr)                                      \
         (!strcmp((ptr)->i_signature, OCFS2_INODE_SIGNATURE))
 
@@ -522,6 +540,33 @@ static inline unsigned int ocfs2_pages_per_cluster(struct super_block *sb)
         return pages_per_cluster;
 }
 
+static inline void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb)
+{
+        spin_lock(&osb->osb_lock);
+        osb->s_inode_steal_slot = OCFS2_INVALID_SLOT;
+        spin_unlock(&osb->osb_lock);
+        atomic_set(&osb->s_num_inodes_stolen, 0);
+}
+
+static inline void ocfs2_set_inode_steal_slot(struct ocfs2_super *osb,
+                                              s16 slot)
+{
+        spin_lock(&osb->osb_lock);
+        osb->s_inode_steal_slot = slot;
+        spin_unlock(&osb->osb_lock);
+}
+
+static inline s16 ocfs2_get_inode_steal_slot(struct ocfs2_super *osb)
+{
+        s16 slot;
+
+        spin_lock(&osb->osb_lock);
+        slot = osb->s_inode_steal_slot;
+        spin_unlock(&osb->osb_lock);
+
+        return slot;
+}
+
 #define ocfs2_set_bit ext2_set_bit
 #define ocfs2_clear_bit ext2_clear_bit
 #define ocfs2_test_bit ext2_test_bit