drm/nouveau: off by one in init_i2c_device_find()
[safe/jmp/linux-2.6] / fs / dlm / recover.c
index a5e6d18..eda43f3 100644 (file)
@@ -44,7 +44,7 @@
 static void dlm_wait_timer_fn(unsigned long data)
 {
        struct dlm_ls *ls = (struct dlm_ls *) data;
-       mod_timer(&ls->ls_timer, jiffies + (dlm_config.recover_timer * HZ));
+       mod_timer(&ls->ls_timer, jiffies + (dlm_config.ci_recover_timer * HZ));
        wake_up(&ls->ls_wait_general);
 }
 
@@ -55,7 +55,7 @@ int dlm_wait_function(struct dlm_ls *ls, int (*testfn) (struct dlm_ls *ls))
        init_timer(&ls->ls_timer);
        ls->ls_timer.function = dlm_wait_timer_fn;
        ls->ls_timer.data = (long) ls;
-       ls->ls_timer.expires = jiffies + (dlm_config.recover_timer * HZ);
+       ls->ls_timer.expires = jiffies + (dlm_config.ci_recover_timer * HZ);
        add_timer(&ls->ls_timer);
 
        wait_event(ls->ls_wait_general, testfn(ls) || dlm_recovery_stopped(ls));
@@ -94,7 +94,7 @@ void dlm_set_recover_status(struct dlm_ls *ls, uint32_t status)
 
 static int wait_status_all(struct dlm_ls *ls, uint32_t wait_status)
 {
-       struct dlm_rcom *rc = (struct dlm_rcom *) ls->ls_recover_buf;
+       struct dlm_rcom *rc = ls->ls_recover_buf;
        struct dlm_member *memb;
        int error = 0, delay;
 
@@ -123,7 +123,7 @@ static int wait_status_all(struct dlm_ls *ls, uint32_t wait_status)
 
 static int wait_status_low(struct dlm_ls *ls, uint32_t wait_status)
 {
-       struct dlm_rcom *rc = (struct dlm_rcom *) ls->ls_recover_buf;
+       struct dlm_rcom *rc = ls->ls_recover_buf;
        int error = 0, delay = 0, nodeid = ls->ls_low_nodeid;
 
        for (;;) {
@@ -252,6 +252,7 @@ static void recover_list_clear(struct dlm_ls *ls)
        spin_lock(&ls->ls_recover_list_lock);
        list_for_each_entry_safe(r, s, &ls->ls_recover_list, res_recover_list) {
                list_del_init(&r->res_recover_list);
+               r->res_recover_locks_count = 0;
                dlm_put_rsb(r);
                ls->ls_recover_list_count--;
        }
@@ -396,7 +397,9 @@ int dlm_recover_masters(struct dlm_ls *ls)
 
                if (dlm_no_directory(ls))
                        count += recover_master_static(r);
-               else if (!is_master(r) && dlm_is_removed(ls, r->res_nodeid)) {
+               else if (!is_master(r) &&
+                        (dlm_is_removed(ls, r->res_nodeid) ||
+                         rsb_flag(r, RSB_NEW_MASTER))) {
                        recover_master(r);
                        count++;
                }
@@ -626,7 +629,7 @@ static void recover_lvb(struct dlm_rsb *r)
                goto out;
 
        if (!r->res_lvbptr) {
-               r->res_lvbptr = allocate_lvb(r->res_ls);
+               r->res_lvbptr = dlm_allocate_lvb(r->res_ls);
                if (!r->res_lvbptr)
                        goto out;
        }
@@ -723,12 +726,26 @@ int dlm_create_root_list(struct dlm_ls *ls)
        }
 
        for (i = 0; i < ls->ls_rsbtbl_size; i++) {
-               read_lock(&ls->ls_rsbtbl[i].lock);
+               spin_lock(&ls->ls_rsbtbl[i].lock);
                list_for_each_entry(r, &ls->ls_rsbtbl[i].list, res_hashchain) {
                        list_add(&r->res_root_list, &ls->ls_root_list);
                        dlm_hold_rsb(r);
                }
-               read_unlock(&ls->ls_rsbtbl[i].lock);
+
+               /* If we're using a directory, add tossed rsbs to the root
+                  list; they'll have entries created in the new directory,
+                  but no other recovery steps should do anything with them. */
+
+               if (dlm_no_directory(ls)) {
+                       spin_unlock(&ls->ls_rsbtbl[i].lock);
+                       continue;
+               }
+
+               list_for_each_entry(r, &ls->ls_rsbtbl[i].toss, res_hashchain) {
+                       list_add(&r->res_root_list, &ls->ls_root_list);
+                       dlm_hold_rsb(r);
+               }
+               spin_unlock(&ls->ls_rsbtbl[i].lock);
        }
  out:
        up_write(&ls->ls_root_sem);
@@ -747,19 +764,26 @@ void dlm_release_root_list(struct dlm_ls *ls)
        up_write(&ls->ls_root_sem);
 }
 
+/* If not using a directory, clear the entire toss list, there's no benefit to
+   caching the master value since it's fixed.  If we are using a dir, keep the
+   rsb's we're the master of.  Recovery will add them to the root list and from
+   there they'll be entered in the rebuilt directory. */
+
 void dlm_clear_toss_list(struct dlm_ls *ls)
 {
        struct dlm_rsb *r, *safe;
        int i;
 
        for (i = 0; i < ls->ls_rsbtbl_size; i++) {
-               write_lock(&ls->ls_rsbtbl[i].lock);
+               spin_lock(&ls->ls_rsbtbl[i].lock);
                list_for_each_entry_safe(r, safe, &ls->ls_rsbtbl[i].toss,
                                         res_hashchain) {
-                       list_del(&r->res_hashchain);
-                       free_rsb(r);
+                       if (dlm_no_directory(ls) || !is_master(r)) {
+                               list_del(&r->res_hashchain);
+                               dlm_free_rsb(r);
+                       }
                }
-               write_unlock(&ls->ls_rsbtbl[i].lock);
+               spin_unlock(&ls->ls_rsbtbl[i].lock);
        }
 }