dlm: align midcomms message buffer

[linux-2.6-omap-h63xx.git] / fs / dlm / dlm_internal.h

diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 30994d68f6a078d7e87e0a46429093b11fc4f631..ec61bbaf25dfdae4cc6d56ec7acff1b50e71c4ff 100644 (file)
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -151,6 +151,7 @@ struct dlm_args {
        void                    *bastaddr;
        int                     mode;
        struct dlm_lksb         *lksb;
+       unsigned long           timeout;
 };
 
 
@@ -213,6 +214,9 @@ struct dlm_args {
 #define DLM_IFL_OVERLAP_UNLOCK  0x00080000
 #define DLM_IFL_OVERLAP_CANCEL  0x00100000
 #define DLM_IFL_ENDOFLIFE      0x00200000
+#define DLM_IFL_WATCH_TIMEWARN 0x00400000
+#define DLM_IFL_TIMEOUT_CANCEL 0x00800000
+#define DLM_IFL_DEADLOCK_CANCEL        0x01000000
 #define DLM_IFL_USER           0x00000001
 #define DLM_IFL_ORPHAN         0x00000002
 
@@ -243,6 +247,9 @@ struct dlm_lkb {
        struct list_head        lkb_wait_reply; /* waiting for remote reply */
        struct list_head        lkb_astqueue;   /* need ast to be sent */
        struct list_head        lkb_ownqueue;   /* list of locks for a process */
+       struct list_head        lkb_time_list;
+       unsigned long           lkb_timestamp;
+       unsigned long           lkb_timeout_cs;
 
        char                    *lkb_lvbptr;
        struct dlm_lksb         *lkb_lksb;      /* caller's status block */
@@ -447,12 +454,16 @@ struct dlm_ls {
        struct mutex            ls_orphans_mutex;
        struct list_head        ls_orphans;
 
+       struct mutex            ls_timeout_mutex;
+       struct list_head        ls_timeout;
+
        struct list_head        ls_nodes;       /* current nodes in ls */
        struct list_head        ls_nodes_gone;  /* dead node list, recovery */
        int                     ls_num_nodes;   /* number of nodes in ls */
        int                     ls_low_nodeid;
        int                     ls_total_weight;
        int                     *ls_node_array;
+       gfp_t                   ls_allocation;
 
        struct dlm_rsb          ls_stub_rsb;    /* for returning errors */
        struct dlm_lkb          ls_stub_lkb;    /* for returning errors */
@@ -460,9 +471,12 @@ struct dlm_ls {
 
        struct dentry           *ls_debug_rsb_dentry; /* debugfs */
        struct dentry           *ls_debug_waiters_dentry; /* debugfs */
+       struct dentry           *ls_debug_locks_dentry; /* debugfs */
 
        wait_queue_head_t       ls_uevent_wait; /* user part of join/leave */
        int                     ls_uevent_result;
+       struct completion       ls_members_done;
+       int                     ls_members_result;
 
        struct miscdevice       ls_device;
 
@@ -472,10 +486,12 @@ struct dlm_ls {
        struct task_struct      *ls_recoverd_task;
        struct mutex            ls_recoverd_active;
        spinlock_t              ls_recover_lock;
+       unsigned long           ls_recover_begin; /* jiffies timestamp */
        uint32_t                ls_recover_status; /* DLM_RS_ */
        uint64_t                ls_recover_seq;
        struct dlm_recover      *ls_recover_args;
        struct rw_semaphore     ls_in_recovery; /* block local requests */
+       struct rw_semaphore     ls_recv_active; /* block dlm_recv */
        struct list_head        ls_requestqueue;/* queue remote requests */
        struct mutex            ls_requestqueue_mutex;
        char                    *ls_recover_buf;
@@ -501,6 +517,7 @@ struct dlm_ls {
 #define LSFL_RCOM_READY                3
 #define LSFL_RCOM_WAIT         4
 #define LSFL_UEVENT_WAIT       5
+#define LSFL_TIMEWARN          6
 
 /* much of this is just saving user space pointers associated with the
    lock that we pass back to the user lib with an ast */
@@ -518,6 +535,7 @@ struct dlm_user_args {
        void __user             *castaddr;
        void __user             *bastparam;
        void __user             *bastaddr;
+       uint64_t                xid;
 };
 
 #define DLM_PROC_FLAGS_CLOSING 1
@@ -552,5 +570,21 @@ static inline int dlm_no_directory(struct dlm_ls *ls)
        return (ls->ls_exflags & DLM_LSFL_NODIR) ? 1 : 0;
 }
 
+int dlm_netlink_init(void);
+void dlm_netlink_exit(void);
+void dlm_timeout_warn(struct dlm_lkb *lkb);
+
+#ifdef CONFIG_DLM_DEBUG
+int dlm_register_debugfs(void);
+void dlm_unregister_debugfs(void);
+int dlm_create_debug_file(struct dlm_ls *ls);
+void dlm_delete_debug_file(struct dlm_ls *ls);
+#else
+static inline int dlm_register_debugfs(void) { return 0; }
+static inline void dlm_unregister_debugfs(void) { }
+static inline int dlm_create_debug_file(struct dlm_ls *ls) { return 0; }
+static inline void dlm_delete_debug_file(struct dlm_ls *ls) { }
+#endif
+
 #endif                         /* __DLM_INTERNAL_DOT_H__ */