On 09/26, Jaegeuk Kim wrote:
> On 09/26, Eric Biggers wrote:
> > On Fri, Aug 16, 2019 at 11:03:34AM +0800, Chao Yu wrote:
> > > There is one case can cause data corruption.
> > >
> > > - write 4k to fileA
> > > - fsync fileA, 4k data is writebacked to lbaA
> > > - write 4k to fileA
> > > -
On Fri, Aug 16, 2019 at 11:03:34AM +0800, Chao Yu wrote:
> There is one case can cause data corruption.
>
> - write 4k to fileA
> - fsync fileA, 4k data is writebacked to lbaA
> - write 4k to fileA
> - kworker flushs 4k to lbaB; dnode contain lbaB didn't be persisted yet
> - write 4k to fileB
> -
On 2019/8/20 9:00, Jaegeuk Kim wrote:
> On 08/19, Chao Yu wrote:
>> On 2019/8/16 11:03, Chao Yu wrote:
>>> There is one case can cause data corruption.
>>>
>>> - write 4k to fileA
>>> - fsync fileA, 4k data is writebacked to lbaA
>>> - write 4k to fileA
>>> - kworker flushs 4k to lbaB; dnode
On 08/19, Chao Yu wrote:
> On 2019/8/16 11:03, Chao Yu wrote:
> > There is one case can cause data corruption.
> >
> > - write 4k to fileA
> > - fsync fileA, 4k data is writebacked to lbaA
> > - write 4k to fileA
> > - kworker flushs 4k to lbaB; dnode contain lbaB didn't be persisted yet
> > -
On 2019/8/16 11:03, Chao Yu wrote:
> There is one case can cause data corruption.
>
> - write 4k to fileA
> - fsync fileA, 4k data is writebacked to lbaA
> - write 4k to fileA
> - kworker flushs 4k to lbaB; dnode contain lbaB didn't be persisted yet
> - write 4k to fileB
> - kworker flush 4k to
There is one case can cause data corruption.
- write 4k to fileA
- fsync fileA, 4k data is writebacked to lbaA
- write 4k to fileA
- kworker flushs 4k to lbaB; dnode contain lbaB didn't be persisted yet
- write 4k to fileB
- kworker flush 4k to lbaA due to SSR
- SPOR -> dnode with lbaA will be
