[PATCH 2/2] erofs: use sync decompression for atomic contexts only

[Chao Yu]

On 2021/3/17 11:54, Huang Jianan via Linux-erofs wrote:
> Sync decompression was introduced to get rid of additional kworker
> scheduling overhead. But there is no such overhead in non-atomic
> contexts. Therefore, it should be better to turn off sync decompression
> to avoid the current thread waiting in z_erofs_runqueue.
> 
> Signed-off-by: Huang Jianan <huangjianan at oppo.com>
> Signed-off-by: Guo Weichao <guoweichao at oppo.com>
> Reviewed-by: Gao Xiang <hsiangkao at redhat.com>

Reviewed-by: Chao Yu <yuchao0 at huawei.com>

Thanks,