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From: Richard Weinberger <richard@nod.at>
To: Sheng Yong <shengyong1@huawei.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [RFC PATCH 4/4] UBI: Fastmap: Do not add vol if it already exists
Date: Thu, 21 May 2015 22:19:38 +0200	[thread overview]
Message-ID: <555E3DDA.1090405@nod.at> (raw)
In-Reply-To: <555DB062.5070701@nod.at>

Am 21.05.2015 um 12:16 schrieb Richard Weinberger:
> Am 21.05.2015 um 11:56 schrieb Sheng Yong:
>> When writing fastmap, there is no guarantee that two same vol ID are
>> written to flash by mistake. Although this unlikely happens, we still
>> should check it when attaching.
> 
> Not sure if I understand the error scenario.
> How can this happen?

...thought a bit more about that.
I think your fix is correct but unless I'm very
mistaken one can hit the issue only by modifying the fastmap
by hand.

Thanks,
//richard

  reply	other threads:[~2015-05-21 20:20 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-21  9:56 [RFC PATCH 0/4] UBI: Fastmap: Some cleanup and check if a vol exists when attaching Sheng Yong
2015-05-21  9:56 ` [RFC PATCH 1/4] UBI: Fastmap: Use max() to get the larger value Sheng Yong
2015-05-21  9:56 ` [RFC PATCH 2/4] UBI: Fastmap: Remove unnecessary `\' Sheng Yong
2015-05-21  9:56 ` [RFC PATCH 3/4] UBI: Fastmap: Rename variables to make them meaningful Sheng Yong
2015-05-21  9:56 ` [RFC PATCH 4/4] UBI: Fastmap: Do not add vol if it already exists Sheng Yong
2015-05-21 10:16   ` Richard Weinberger
2015-05-21 20:19     ` Richard Weinberger [this message]
2015-05-26  8:53       ` Sheng Yong
2015-05-26  9:13         ` Richard Weinberger

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