From: berk walker <berk@panix.com>
To: "Peter T. Breuer" <ptb@lab.it.uc3m.es>
Cc: linux-raid@vger.kernel.org
Subject: Re: Bug report: mdadm -E oddity
Date: Fri, 20 May 2005 18:14:44 -0400 [thread overview]
Message-ID: <428E6154.9040803@panix.com> (raw)
In-Reply-To: <on22m2-d85.ln1@news.it.uc3m.es>
Peter T. Breuer wrote:
>berk walker <berk@panix.com> wrote:
>
>
>>for us old folks, please expand "idempotent" in usage to reflect the
>>relationships to which you refer.
>>
>>
>
>Function f is idempotent when f.f = f. I.e. Doing it twice is the same as
>doing it once.
>
>Here the question is if you do a fraction f of a write w, and then do the
>whole write w again, whether you get what you are expecting. I.e. if
>
> w.f = w
>
>and f is the restriction of w to some set s, f = w|s.
>
>Peter
>
>-
>To unsubscribe from this list: send the line "unsubscribe linux-raid" in
>the body of a message to majordomo@vger.kernel.org
>More majordomo info at http://vger.kernel.org/majordomo-info.html
>
>.
>
>
>
OK, I understand that def. thanks, PTB.
b-
next prev parent reply other threads:[~2005-05-20 22:14 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-13 15:44 Bug report: mdadm -E oddity Doug Ledford
2005-05-13 17:11 ` Doug Ledford
2005-05-13 23:01 ` Neil Brown
2005-05-14 13:28 ` Doug Ledford
2005-05-15 17:32 ` Luca Berra
2005-05-20 7:00 ` Neil Brown
2005-05-20 12:30 ` Doug Ledford
2005-05-20 16:04 ` Paul Clements
2005-05-20 17:16 ` Peter T. Breuer
2005-05-20 18:40 ` Doug Ledford
2005-05-20 19:15 ` Peter T. Breuer
2005-05-20 21:31 ` Doug Ledford
2005-05-20 17:45 ` Doug Ledford
2005-05-20 18:33 ` Peter T. Breuer
2005-05-20 20:01 ` berk walker
2005-05-20 21:00 ` Gil
2005-05-20 21:51 ` Peter T. Breuer
2005-05-20 22:14 ` berk walker [this message]
2005-05-20 20:05 ` Paul Clements
2005-05-16 16:46 ` Doug Ledford
2005-05-20 7:08 ` Neil Brown
2005-05-20 11:29 ` Doug Ledford
2005-05-16 22:11 ` Doug Ledford
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