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From: Wengang Wang <wen.gang.wang@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 2/3] ocfs2:freeze-thaw: initialization	and cleanup
Date: Fri, 15 Jan 2010 10:41:29 +0800	[thread overview]
Message-ID: <20100115024129.GD3760@laptop.oracle.com> (raw)
In-Reply-To: <4B4FD49B.6040809@oracle.com>

Hi Sunil,

On 10-01-14 18:36, Sunil Mushran wrote:
> Wengang Wang wrote:
>> if you meant ocfs2_freeze_unlock() in ocfs2_umount_volume() instead of
>> at the end of ocfs2_mount_volume(), it's NG.
>> if cleanup when umount, then we always have a ro_holder, freeze/thaw
>> doesn't work.
>>
>> and we dont need to clean it up in umount if we already cleanup it in
>> mount_volume. this is because the lock/unlock is used in pairs.
>>   
>
> What's NG?
>

NG is not good.
> And I am not following you. Don't we have to free all locks during
> umount?

we don't need to free it when we umount since we don't have that lock taken.
we lock/unlock it in mount, and in the downconvert action.

regards,
wengang.

  reply	other threads:[~2010-01-15  2:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-09 18:00 [Ocfs2-devel] [PATCH 2/3] ocfs2:freeze-thaw: initialization and cleanup Wengang Wang
2010-01-15  1:53 ` Sunil Mushran
2010-01-15  2:26   ` Wengang Wang
2010-01-15  2:36     ` Sunil Mushran
2010-01-15  2:41       ` Wengang Wang [this message]
2010-01-15 21:36         ` Sunil Mushran
2010-01-17  8:52           ` Wengang Wang

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