From: sagi@grimberg.me (Sagi Grimberg)
Subject: [PATCH] admin-cmd: Added smart-log command support.
Date: Mon, 5 Sep 2016 17:09:15 +0300 [thread overview]
Message-ID: <8ff4e98e-477f-d159-3e3e-de485d2eb6be@grimberg.me> (raw)
In-Reply-To: <20160905131127.GA3176@infradead.org>
>> Given that we don't own the namespaces, I'm wandering if this is the
>> correct way to do this... I'm not at all convinced that having something
>> else reading/writing to the blkdevs other than nvmf is a valid/useful
>> use-case but in this situation we won't get correct log information
>> (or at least the semantics is wrong).
>>
>> Should we maintain these statistics in the target stack instead?
>
> What's the problem with including possible local I/O? Having to
> maintain another set of counters, including atomics in the fast path
> or complex per-cpu infrastructure is something I'd rather avoid.
I don't want it either. But I think that the semantics of the
smart log info is different, the question is are we ok with it?
next prev parent reply other threads:[~2016-09-05 14:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-01 19:45 [PATCH] admin-cmd: Added smart-log command support Chaitanya Kulkarni
2016-09-04 8:41 ` Sagi Grimberg
2016-09-05 13:11 ` Christoph Hellwig
2016-09-05 14:09 ` Sagi Grimberg [this message]
2016-09-20 19:00 ` Sagi Grimberg
2016-09-20 20:03 ` Christoph Hellwig
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