Hi all,
> > It looks good to me, but can we releasing grabbed block buffer
> > 'sbi->raw_super_buf'
> > as Chao Yu said.
>
> If then, don't we need to recover the polluted superblock?
We need, if we change to not grab super block buffer header, instead,
we have to record current super block no
Hi,
On Mon, Dec 14, 2015 at 05:56:49PM +0800, He YunLei wrote:
> On 2015/12/9 2:19, Jaegeuk Kim wrote:
> >Hi Yunlei,
> >
> >On Tue, Dec 08, 2015 at 09:17:13PM +0800, Yunlei He wrote:
> >>write_checkpoint() tries to get cp_blkaddr from superblock buffer,
> >>if the buffer happen to be destroied by
On 2015/12/9 2:19, Jaegeuk Kim wrote:
> Hi Yunlei,
>
> On Tue, Dec 08, 2015 at 09:17:13PM +0800, Yunlei He wrote:
>> write_checkpoint() tries to get cp_blkaddr from superblock buffer,
>> if the buffer happen to be destroied by something else, it may
>> bring in unpredictable effect on f2fs.
>>
>> t
He
> >> Cc: linux-f2fs-devel@lists.sourceforge.net; chao2...@samsung.com;
> >> hebi...@huawei.com;
> >> stuart...@huawei.com
> >> Subject: Re: [f2fs-dev] [PATCH] back-up raw_super in sbi
> >>
> >> Hi Yunlei,
> >>
> >> On Tue,
m;
>> hebi...@huawei.com;
>> stuart...@huawei.com
>> Subject: Re: [f2fs-dev] [PATCH] back-up raw_super in sbi
>>
>> Hi Yunlei,
>>
>> On Tue, Dec 08, 2015 at 09:17:13PM +0800, Yunlei He wrote:
>>> write_checkpoint() tries to get cp_blkaddr from superbloc
Hi,
> -Original Message-
> From: Jaegeuk Kim [mailto:jaeg...@kernel.org]
> Sent: Wednesday, December 09, 2015 2:19 AM
> To: Yunlei He
> Cc: linux-f2fs-devel@lists.sourceforge.net; chao2...@samsung.com;
> hebi...@huawei.com;
> stuart...@huawei.com
> Subject: Re: [f
Hi Yunlei,
On Tue, Dec 08, 2015 at 09:17:13PM +0800, Yunlei He wrote:
> write_checkpoint() tries to get cp_blkaddr from superblock buffer,
> if the buffer happen to be destroied by something else, it may
> bring in unpredictable effect on f2fs.
>
> this patch fix it by back-up a raw_super copy.
>
write_checkpoint() tries to get cp_blkaddr from superblock buffer,
if the buffer happen to be destroied by something else, it may
bring in unpredictable effect on f2fs.
this patch fix it by back-up a raw_super copy.
Signed-off-by: Yunlei He
---
fs/f2fs/checkpoint.c | 3 ++-
fs/f2fs/f2fs.h
