hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5MFXJ
CVE: NA

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

The readahead feature of the openEuler-22.03-LTS ebpf enhancement
involves interface changes and needs to be compatible with the ebpf
tool of openEuler-1.0-LTS. This patch changes the _ctl_mode to _mode of
fs_file_read_ctx structure.
Signed-off-by: NZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: NZhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: NZhang Yi <yi.zhang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>