On Tue, Mar 6, 2018 at 12:07 PM, Qu Wenruo wrote:
>
>
> On 2018年03月06日 18:12, Filipe Manana wrote:
>> On Tue, Mar 6, 2018 at 8:15 AM, Qu Wenruo wrote:
>>> There are some btrfs corruption report in mail list for a while,
>>
>> There have been for years (well, since ever) many reports of different
On Tue, Mar 6, 2018 at 10:53 AM, Qu Wenruo wrote:
>
>
> On 2018年03月06日 18:12, Filipe Manana wrote:
>> On Tue, Mar 6, 2018 at 8:15 AM, Qu Wenruo wrote:
>>> There are some btrfs corruption report in mail list for a while,
>>
>> There have been for years (well, since ever) many reports of different
On 2018年03月06日 18:12, Filipe Manana wrote:
> On Tue, Mar 6, 2018 at 8:15 AM, Qu Wenruo wrote:
>> There are some btrfs corruption report in mail list for a while,
>
> There have been for years (well, since ever) many reports of different
> types of corruptions.
> Which kind of corruption are you
On 6.03.2018 12:53, Qu Wenruo wrote:
>
>
[snip]
> It breaks the rule that we shouldn't have the hole in file extents.
>
> IIRC Nikolay is trying to use inode_lock_shared() to solve this race.
>
Unfortunately the inode_lock_shared approach is a no go since Filipe
objected to it quite adaman
On 2018年03月06日 18:12, Filipe Manana wrote:
> On Tue, Mar 6, 2018 at 8:15 AM, Qu Wenruo wrote:
>> There are some btrfs corruption report in mail list for a while,
>
> There have been for years (well, since ever) many reports of different
> types of corruptions.
> Which kind of corruption are you
On Tue, Mar 6, 2018 at 8:15 AM, Qu Wenruo wrote:
> There are some btrfs corruption report in mail list for a while,
There have been for years (well, since ever) many reports of different
types of corruptions.
Which kind of corruption are you referring to?
> although such corruption is pretty rar
On 2018年03月06日 17:03, Amir Goldstein wrote:
> On Tue, Mar 6, 2018 at 10:15 AM, Qu Wenruo wrote:
>> There are some btrfs corruption report in mail list for a while,
>> although such corruption is pretty rare and almost impossible to
>> reproduce, with dm-log-writes we found it's highly related to
On Tue, Mar 6, 2018 at 10:15 AM, Qu Wenruo wrote:
> There are some btrfs corruption report in mail list for a while,
> although such corruption is pretty rare and almost impossible to
> reproduce, with dm-log-writes we found it's highly related to v1 space
> cache.
>
> Unlike journal based filesys
There are some btrfs corruption report in mail list for a while,
although such corruption is pretty rare and almost impossible to
reproduce, with dm-log-writes we found it's highly related to v1 space
cache.
Unlike journal based filesystems, btrfs completely rely on metadata CoW
to protect itself