VFS: fix recent breakage of FS_REVAL_DOT

[safe/jmp/linux-2.6] / fs / proc / stat.c

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index f75efa2..bf31b03 100644 (file)
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -1,6 +1,5 @@
 #include <linux/cpumask.h>
 #include <linux/fs.h>
-#include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
@@ -18,20 +17,25 @@
 #ifndef arch_irq_stat
 #define arch_irq_stat() 0
 #endif
+#ifndef arch_idle_time
+#define arch_idle_time(cpu) 0
+#endif
 
 static int show_stat(struct seq_file *p, void *v)
 {
        int i, j;
        unsigned long jif;
        cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
-       cputime64_t guest;
+       cputime64_t guest, guest_nice;
        u64 sum = 0;
+       u64 sum_softirq = 0;
+       unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
        struct timespec boottime;
        unsigned int per_irq_sum;
 
        user = nice = system = idle = iowait =
                irq = softirq = steal = cputime64_zero;
-       guest = cputime64_zero;
+       guest = guest_nice = cputime64_zero;
        getboottime(&boottime);
        jif = boottime.tv_sec;
 
@@ -40,19 +44,30 @@ static int show_stat(struct seq_file *p, void *v)
                nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
                system = cputime64_add(system, kstat_cpu(i).cpustat.system);
                idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
+               idle = cputime64_add(idle, arch_idle_time(i));
                iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
                irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
                softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
                steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
                guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
+               guest_nice = cputime64_add(guest_nice,
+                       kstat_cpu(i).cpustat.guest_nice);
                for_each_irq_nr(j) {
                        sum += kstat_irqs_cpu(j, i);
                }
                sum += arch_irq_stat_cpu(i);
+
+               for (j = 0; j < NR_SOFTIRQS; j++) {
+                       unsigned int softirq_stat = kstat_softirqs_cpu(j, i);
+
+                       per_softirq_sums[j] += softirq_stat;
+                       sum_softirq += softirq_stat;
+               }
        }
        sum += arch_irq_stat();
 
-       seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+       seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu "
+               "%llu\n",
                (unsigned long long)cputime64_to_clock_t(user),
                (unsigned long long)cputime64_to_clock_t(nice),
                (unsigned long long)cputime64_to_clock_t(system),
@@ -61,7 +76,8 @@ static int show_stat(struct seq_file *p, void *v)
                (unsigned long long)cputime64_to_clock_t(irq),
                (unsigned long long)cputime64_to_clock_t(softirq),
                (unsigned long long)cputime64_to_clock_t(steal),
-               (unsigned long long)cputime64_to_clock_t(guest));
+               (unsigned long long)cputime64_to_clock_t(guest),
+               (unsigned long long)cputime64_to_clock_t(guest_nice));
        for_each_online_cpu(i) {
 
                /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
@@ -69,13 +85,16 @@ static int show_stat(struct seq_file *p, void *v)
                nice = kstat_cpu(i).cpustat.nice;
                system = kstat_cpu(i).cpustat.system;
                idle = kstat_cpu(i).cpustat.idle;
+               idle = cputime64_add(idle, arch_idle_time(i));
                iowait = kstat_cpu(i).cpustat.iowait;
                irq = kstat_cpu(i).cpustat.irq;
                softirq = kstat_cpu(i).cpustat.softirq;
                steal = kstat_cpu(i).cpustat.steal;
                guest = kstat_cpu(i).cpustat.guest;
+               guest_nice = kstat_cpu(i).cpustat.guest_nice;
                seq_printf(p,
-                       "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+                       "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu "
+                       "%llu\n",
                        i,
                        (unsigned long long)cputime64_to_clock_t(user),
                        (unsigned long long)cputime64_to_clock_t(nice),
@@ -85,7 +104,8 @@ static int show_stat(struct seq_file *p, void *v)
                        (unsigned long long)cputime64_to_clock_t(irq),
                        (unsigned long long)cputime64_to_clock_t(softirq),
                        (unsigned long long)cputime64_to_clock_t(steal),
-                       (unsigned long long)cputime64_to_clock_t(guest));
+                       (unsigned long long)cputime64_to_clock_t(guest),
+                       (unsigned long long)cputime64_to_clock_t(guest_nice));
        }
        seq_printf(p, "intr %llu", (unsigned long long)sum);
 
@@ -110,6 +130,12 @@ static int show_stat(struct seq_file *p, void *v)
                nr_running(),
                nr_iowait());
 
+       seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq);
+
+       for (i = 0; i < NR_SOFTIRQS; i++)
+               seq_printf(p, " %u", per_softirq_sums[i]);
+       seq_printf(p, "\n");
+
        return 0;
 }