fs: add helper fs_file_read_do_trace()

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I53R0H


CVE: NA
backport: openEuler-22.03-LTS

---------------------------

fs_file_read_do_trace() uses writable-tracepoint to update f_mode
for file read procedure. Also export it to make it being usable
for filesystem kernel module.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: fang wei <fangwei1@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>