Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
Enhanced partition statistics: sysfs
Reports enhanced partition statistics in sysfs.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
authored by Jerome Marchand and committed by Jens Axboe 34e8beac a890d62b
+19
-3
fs/partitions/check.c
+19
-3
fs/partitions/check.c
···
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{
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struct hd_struct *p = dev_to_part(dev);
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-
return sprintf(buf, "%8u %8llu %8u %8llu\n",
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p->ios[0], (unsigned long long)p->sectors[0],
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p->ios[1], (unsigned long long)p->sectors[1]);
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preempt_disable();
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part_round_stats(p);
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preempt_enable();
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return sprintf(buf,
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"%8lu %8lu %8llu %8u "
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"%8lu %8lu %8llu %8u "
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"%8u %8u %8u"
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"\n",
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part_stat_read(p, ios[READ]),
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part_stat_read(p, merges[READ]),
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(unsigned long long)part_stat_read(p, sectors[READ]),
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jiffies_to_msecs(part_stat_read(p, ticks[READ])),
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part_stat_read(p, ios[WRITE]),
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part_stat_read(p, merges[WRITE]),
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(unsigned long long)part_stat_read(p, sectors[WRITE]),
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jiffies_to_msecs(part_stat_read(p, ticks[WRITE])),
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p->in_flight,
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jiffies_to_msecs(part_stat_read(p, io_ticks)),
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jiffies_to_msecs(part_stat_read(p, time_in_queue)));
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}
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#ifdef CONFIG_FAIL_MAKE_REQUEST