nfsd4: move check_stateid_generation check

[safe/jmp/linux-2.6] / kernel / lockdep_proc.c

diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index fa19aee..13716b8 100644 (file)
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -82,7 +82,6 @@ static void print_name(struct seq_file *m, struct lock_class *class)
 
 static int l_show(struct seq_file *m, void *v)
 {
-       unsigned long nr_forward_deps, nr_backward_deps;
        struct lock_class *class = v;
        struct lock_list *entry;
        char c1, c2, c3, c4;
@@ -96,11 +95,10 @@ static int l_show(struct seq_file *m, void *v)
 #ifdef CONFIG_DEBUG_LOCKDEP
        seq_printf(m, " OPS:%8ld", class->ops);
 #endif
-       nr_forward_deps = lockdep_count_forward_deps(class);
-       seq_printf(m, " FD:%5ld", nr_forward_deps);
-
-       nr_backward_deps = lockdep_count_backward_deps(class);
-       seq_printf(m, " BD:%5ld", nr_backward_deps);
+#ifdef CONFIG_PROVE_LOCKING
+       seq_printf(m, " FD:%5ld", lockdep_count_forward_deps(class));
+       seq_printf(m, " BD:%5ld", lockdep_count_backward_deps(class));
+#endif
 
        get_usage_chars(class, &c1, &c2, &c3, &c4);
        seq_printf(m, " %c%c%c%c", c1, c2, c3, c4);
@@ -325,7 +323,9 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
                if (class->usage_mask & LOCKF_ENABLED_HARDIRQS_READ)
                        nr_hardirq_read_unsafe++;
 
+#ifdef CONFIG_PROVE_LOCKING
                sum_forward_deps += lockdep_count_forward_deps(class);
+#endif
        }
 #ifdef CONFIG_DEBUG_LOCKDEP
        DEBUG_LOCKS_WARN_ON(debug_atomic_read(&nr_unused_locks) != nr_unused);
@@ -470,10 +470,12 @@ static void seq_line(struct seq_file *m, char c, int offset, int length)
 
 static void snprint_time(char *buf, size_t bufsiz, s64 nr)
 {
-       unsigned long rem;
+       s64 div;
+       s32 rem;
 
-       rem = do_div(nr, 1000); /* XXX: do_div_signed */
-       snprintf(buf, bufsiz, "%lld.%02d", (long long)nr, ((int)rem+5)/10);
+       nr += 5; /* for display rounding */
+       div = div_s64_rem(nr, 1000, &rem);
+       snprintf(buf, bufsiz, "%lld.%02d", (long long)div, (int)rem/10);
 }
 
 static void seq_time(struct seq_file *m, s64 time)
@@ -555,7 +557,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
        if (stats->read_holdtime.nr)
                namelen += 2;
 
-       for (i = 0; i < ARRAY_SIZE(class->contention_point); i++) {
+       for (i = 0; i < LOCKSTAT_POINTS; i++) {
                char sym[KSYM_SYMBOL_LEN];
                char ip[32];
 
@@ -572,6 +574,23 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
                                stats->contention_point[i],
                                ip, sym);
        }
+       for (i = 0; i < LOCKSTAT_POINTS; i++) {
+               char sym[KSYM_SYMBOL_LEN];
+               char ip[32];
+
+               if (class->contending_point[i] == 0)
+                       break;
+
+               if (!i)
+                       seq_line(m, '-', 40-namelen, namelen);
+
+               sprint_symbol(sym, class->contending_point[i]);
+               snprintf(ip, sizeof(ip), "[<%p>]",
+                               (void *)class->contending_point[i]);
+               seq_printf(m, "%40s %14lu %29s %s\n", name,
+                               stats->contending_point[i],
+                               ip, sym);
+       }
        if (i) {
                seq_puts(m, "\n");
                seq_line(m, '.', 0, 40 + 1 + 10 * (14 + 1));
@@ -581,7 +600,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
 
 static void seq_header(struct seq_file *m)
 {
-       seq_printf(m, "lock_stat version 0.2\n");
+       seq_printf(m, "lock_stat version 0.3\n");
        seq_line(m, '-', 0, 40 + 1 + 10 * (14 + 1));
        seq_printf(m, "%40s %14s %14s %14s %14s %14s %14s %14s %14s "
                        "%14s %14s\n",