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authorJerome Marchand <jmarchan@redhat.com>2008-02-08 11:04:55 +0100
committerJens Axboe <jens.axboe@oracle.com>2008-02-08 12:41:58 +0100
commit34e8beac92c27d292938065f8375842d2840767c (patch)
treec2bedbe4901dea130ffec0a1716f4181a087e73b /fs/partitions
parentEnhanced partition statistics: aoe fix (diff)
downloadlinux-34e8beac92c27d292938065f8375842d2840767c.tar.xz
linux-34e8beac92c27d292938065f8375842d2840767c.zip
Enhanced partition statistics: sysfs
Reports enhanced partition statistics in sysfs. Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Diffstat (limited to 'fs/partitions')
-rw-r--r--fs/partitions/check.c22
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