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authorJerome Marchand <jmarchan@redhat.com>2008-02-08 05:04:55 -0500
committerJens Axboe <jens.axboe@oracle.com>2008-02-08 06:41:58 -0500
commit34e8beac92c27d292938065f8375842d2840767c (patch)
treec2bedbe4901dea130ffec0a1716f4181a087e73b /fs/partitions
parenta890d62b9e8743341f62548104d1ac29fa8a5a88 (diff)
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,
216{ 216{
217 struct hd_struct *p = dev_to_part(dev); 217 struct hd_struct *p = dev_to_part(dev);
218 218
219 return sprintf(buf, "%8u %8llu %8u %8llu\n", 219 preempt_disable();
220 p->ios[0], (unsigned long long)p->sectors[0], 220 part_round_stats(p);
221 p->ios[1], (unsigned long long)p->sectors[1]); 221 preempt_enable();
222 return sprintf(buf,
223 "%8lu %8lu %8llu %8u "
224 "%8lu %8lu %8llu %8u "
225 "%8u %8u %8u"
226 "\n",
227 part_stat_read(p, ios[READ]),
228 part_stat_read(p, merges[READ]),
229 (unsigned long long)part_stat_read(p, sectors[READ]),
230 jiffies_to_msecs(part_stat_read(p, ticks[READ])),
231 part_stat_read(p, ios[WRITE]),
232 part_stat_read(p, merges[WRITE]),
233 (unsigned long long)part_stat_read(p, sectors[WRITE]),
234 jiffies_to_msecs(part_stat_read(p, ticks[WRITE])),
235 p->in_flight,
236 jiffies_to_msecs(part_stat_read(p, io_ticks)),
237 jiffies_to_msecs(part_stat_read(p, time_in_queue)));
222} 238}
223 239
224#ifdef CONFIG_FAIL_MAKE_REQUEST 240#ifdef CONFIG_FAIL_MAKE_REQUEST