From: Richard Weinberger <richard@nod.at>
To: hujianyang <hujianyang@huawei.com>, dedekind1@gmail.com
Cc: dwmw2@infradead.org, computersforpeace@gmail.com,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] UBI: vtbl: Use ubi_eba_atomic_leb_change()
Date: Fri, 31 Oct 2014 09:09:46 +0100 [thread overview]
Message-ID: <545343CA.7080507@nod.at> (raw)
In-Reply-To: <54530A29.9070208@huawei.com>
Hujianyang,
Am 31.10.2014 um 05:03 schrieb hujianyang:
> Hi Artem and Richard,
>
> We are using atomic operation, leb_change(), for master_node
> in ubifs-level. We use two lebs for master_node even if they
> are changed with atomic operation.
>
> I think volume_table and master_node play similar roles. Do
> you think changing VTBL record into one peb is OK? I just
> what to know if I missed something. Could you please take
> some time to explain that?
I'm not sure if I correctly understand your question.
If we use only one PEB for the VTBL existing UBI implementations
would break as they assume we have two.
Thanks,
//richard
WARNING: multiple messages have this Message-ID (diff)
From: Richard Weinberger <richard@nod.at>
To: hujianyang <hujianyang@huawei.com>, dedekind1@gmail.com
Cc: linux-mtd@lists.infradead.org, computersforpeace@gmail.com,
dwmw2@infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] UBI: vtbl: Use ubi_eba_atomic_leb_change()
Date: Fri, 31 Oct 2014 09:09:46 +0100 [thread overview]
Message-ID: <545343CA.7080507@nod.at> (raw)
In-Reply-To: <54530A29.9070208@huawei.com>
Hujianyang,
Am 31.10.2014 um 05:03 schrieb hujianyang:
> Hi Artem and Richard,
>
> We are using atomic operation, leb_change(), for master_node
> in ubifs-level. We use two lebs for master_node even if they
> are changed with atomic operation.
>
> I think volume_table and master_node play similar roles. Do
> you think changing VTBL record into one peb is OK? I just
> what to know if I missed something. Could you please take
> some time to explain that?
I'm not sure if I correctly understand your question.
If we use only one PEB for the VTBL existing UBI implementations
would break as they assume we have two.
Thanks,
//richard
next prev parent reply other threads:[~2014-10-31 8:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-25 17:43 [PATCH] UBI: vtbl: Use ubi_eba_atomic_leb_change() Richard Weinberger
2014-10-25 17:43 ` Richard Weinberger
2014-10-30 8:55 ` Artem Bityutskiy
2014-10-30 8:55 ` Artem Bityutskiy
2014-10-31 4:03 ` hujianyang
2014-10-31 4:03 ` hujianyang
2014-10-31 8:09 ` Richard Weinberger [this message]
2014-10-31 8:09 ` Richard Weinberger
2014-10-31 10:45 ` hujianyang
2014-10-31 10:45 ` hujianyang
2014-10-31 10:57 ` Richard Weinberger
2014-10-31 10:57 ` Richard Weinberger
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