On 12/3/20, Coly Li wrote:
> On 12/3/20 5:47 PM, Yi Li wrote:
>> bcache_device_detach will release the cache_set after hotunplug cache
>> disk.
>>
>> Here is how the issue happens.
>> 1) cached_dev_free do cancel_writeback_rate_update_dwork
>>without bch_register_lock.
>> 2) Wirting the
On 12/3/20 5:47 PM, Yi Li wrote:
> bcache_device_detach will release the cache_set after hotunplug cache
> disk.
>
> Here is how the issue happens.
> 1) cached_dev_free do cancel_writeback_rate_update_dwork
>without bch_register_lock.
> 2) Wirting the writeback_percent by sysfs with
>
bcache_device_detach will release the cache_set after hotunplug cache
disk.
Here is how the issue happens.
1) cached_dev_free do cancel_writeback_rate_update_dwork
without bch_register_lock.
2) Wirting the writeback_percent by sysfs with
bch_register_lock will insert a writeback_rate_update
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