Enhanced partition statistics: sysfs

Reports enhanced partition statistics in sysfs.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>

1 files changed, 19 insertions, 3 deletions

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index f2ec7f1b0ec5..950bdb4b8f53 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -216,9 +216,25 @@ static ssize_t part_stat_show(struct device *dev,
 {
         struct hd_struct *p = dev_to_part(dev);
 
-        return sprintf(buf, "%8u %8llu %8u %8llu\n",
-                       p->ios[0], (unsigned long long)p->sectors[0],
-                       p->ios[1], (unsigned long long)p->sectors[1]);
+        preempt_disable();
+        part_round_stats(p);
+        preempt_enable();
+        return sprintf(buf,
+                "%8lu %8lu %8llu %8u "
+                "%8lu %8lu %8llu %8u "
+                "%8u %8u %8u"
+                "\n",
+                part_stat_read(p, ios[READ]),
+                part_stat_read(p, merges[READ]),
+                (unsigned long long)part_stat_read(p, sectors[READ]),
+                jiffies_to_msecs(part_stat_read(p, ticks[READ])),
+                part_stat_read(p, ios[WRITE]),
+                part_stat_read(p, merges[WRITE]),
+                (unsigned long long)part_stat_read(p, sectors[WRITE]),
+                jiffies_to_msecs(part_stat_read(p, ticks[WRITE])),
+                p->in_flight,
+                jiffies_to_msecs(part_stat_read(p, io_ticks)),
+                jiffies_to_msecs(part_stat_read(p, time_in_queue)));
 }
 
 #ifdef CONFIG_FAIL_MAKE_REQUEST