Reports enhanced partition statistics in sysfs.
Signed-off-by: Jerome Marchand <[email protected]>
---
fs/partitions/check.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff -uprN -X linux-2.6/Documentation/dontdiff linux-2.6.orig/fs/partitions/check.c linux-2.6/fs/partitions/check.c
--- linux-2.6.orig/fs/partitions/check.c 2008-01-31 17:38:43.000000000 +0100
+++ linux-2.6/fs/partitions/check.c 2008-01-31 17:55:42.000000000 +0100
@@ -216,9 +216,25 @@ static ssize_t part_stat_show(struct 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