#include <linux/fs.h>
#include <linux/kmod.h>
#include <linux/ctype.h>
+#include <linux/genhd.h>
#include "check.h"
{
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
static void part_release(struct device *dev)
{
struct hd_struct *p = dev_to_part(dev);
+ free_part_stats(p);
kfree(p);
}
disk->part[part-1] = NULL;
p->start_sect = 0;
p->nr_sects = 0;
- p->ios[0] = p->ios[1] = 0;
- p->sectors[0] = p->sectors[1] = 0;
+ part_stat_set_all(p, 0);
kobject_put(p->holder_dir);
device_del(&p->dev);
put_device(&p->dev);
if (!p)
return;
+ if (!init_part_stats(p)) {
+ kfree(p);
+ return;
+ }
p->start_sect = start;
p->nr_sects = len;
p->partno = part;
return 0;
if (IS_ERR(state)) /* I/O error reading the partition table */
return -EIO;
+
+ /* tell userspace that the media / partition table may have changed */
+ kobject_uevent(&disk->dev.kobj, KOBJ_CHANGE);
+
for (p = 1; p < state->limit; p++) {
sector_t size = state->parts[p].size;
sector_t from = state->parts[p].from;