!898 [sync] PR-894: Fixed two accelerator bugfixes

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/894 
 
1、The accelerator queue parameter configuration is incorrect.
2、uacce: use filep->f_mapping to replace inode->i_mapping

issue: https://gitee.com/openeuler/kernel/issues/I79JRM
 
 
Link:https://gitee.com/openeuler/kernel/pulls/898

 

Reviewed-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>