fs: dcache fix LRU ordering

[safe/jmp/linux-2.6] / fs / dlm / dlm_internal.h

diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index caa1581..d01ca0a 100644 (file)
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -2,7 +2,7 @@
 *******************************************************************************
 **
 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
-**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
+**  Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.
 **
 **  This copyrighted material is made available to anyone wishing to use,
 **  modify, copy, or redistribute it subject to the terms and conditions
@@ -37,14 +37,11 @@
 #include <linux/jhash.h>
 #include <linux/miscdevice.h>
 #include <linux/mutex.h>
-#include <asm/semaphore.h>
 #include <asm/uaccess.h>
 
 #include <linux/dlm.h>
 #include "config.h"
 
-#define DLM_LOCKSPACE_LEN      64
-
 /* Size of the temp buffer midcomms allocates on the stack.
    We try to make this large enough so most messages fit.
    FIXME: should sctp make this unnecessary? */
@@ -102,13 +99,13 @@ struct dlm_direntry {
 
 struct dlm_dirtable {
        struct list_head        list;
-       rwlock_t                lock;
+       spinlock_t              lock;
 };
 
 struct dlm_rsbtable {
        struct list_head        list;
        struct list_head        toss;
-       rwlock_t                lock;
+       spinlock_t              lock;
 };
 
 struct dlm_lkbtable {
@@ -248,7 +245,8 @@ struct dlm_lkb {
        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;
+       ktime_t                 lkb_time_bast;  /* for debugging */
+       ktime_t                 lkb_timestamp;
        unsigned long           lkb_timeout_cs;
 
        char                    *lkb_lvbptr;
@@ -444,8 +442,11 @@ struct dlm_ls {
        uint32_t                ls_global_id;   /* global unique lockspace ID */
        uint32_t                ls_exflags;
        int                     ls_lvblen;
-       int                     ls_count;       /* reference count */
+       int                     ls_count;       /* refcount of processes in
+                                                  the dlm using this ls */
+       int                     ls_create_count; /* create/release refcount */
        unsigned long           ls_flags;       /* LSFL_ */
+       unsigned long           ls_scan_time;
        struct kobject          ls_kobj;
 
        struct dlm_rsbtable     *ls_rsbtbl;
@@ -481,6 +482,7 @@ struct dlm_ls {
        struct dentry           *ls_debug_rsb_dentry; /* debugfs */
        struct dentry           *ls_debug_waiters_dentry; /* debugfs */
        struct dentry           *ls_debug_locks_dentry; /* debugfs */
+       struct dentry           *ls_debug_all_dentry; /* debugfs */
 
        wait_queue_head_t       ls_uevent_wait; /* user part of join/leave */
        int                     ls_uevent_result;