u Bo [mailto:bo.li@oracle.com]
Sent: Thursday, December 10, 2015 1:22 AM
To: Wang, Zhiye
Cc: linux-btrfs@vger.kernel.org
Subject: Re: freeze_bdev and scrub/re-balance
On Sat, Dec 05, 2015 at 09:57:18AM +, Wang, Zhiye wrote:
> Hi all,
>
>
> If I understand it correctly, defrag
/re-balance
Hi all,
If I understand it correctly, defragment operation is done in user space tools,
while scrub/re-balance is done in kernel thread.
So, if my kernel module calls freeze_bdev when scrub/re-balance is in progress,
will I still be able to get a consistent file system state
t;
>
> So, if my kernel module calls freeze_bdev when scrub/re-balance is in
> progress, will I still be able to get a consistent file system state?
It should be like that with COW enabled.
Thanks,
-liubo
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