我有一个 php-fpm 池，为来自网络附加文件系统的文件提供服务，因此有时我会在 dmesg 日志中看到类似这样的消息：
[Sat Jul 10 01:51:56 2021] INFO: task php-fpm:2260874 blocked for more than 1208 seconds.
[Sat Jul 10 01:51:56 2021] Not tainted 5.11.10-051110-generic #202103251032
[Sat Jul 10 01:51:56 2021] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[Sat Jul 10 01:51:56 2021] task:php-fpm state:D stack: 0 pid:2260874 ppid: 10448 flags:0x00004004
[Sat Jul 10 01:51:56 2021] Call Trace:
[Sat Jul 10 01:51:56 2021] __schedule+0x23d/0x670
[Sat Jul 10 01:51:56 2021] schedule+0x4f/0xc0
[Sat Jul 10 01:51:56 2021] io_schedule+0x46/0x70
[Sat Jul 10 01:51:56 2021] wait_on_page_bit_common+0x11a/0x3a0
[Sat Jul 10 01:51:56 2021] ? trace_event_raw_event_filemap_set_wb_err+0xd0/0xd0
[Sat Jul 10 01:51:56 2021] __lock_page+0x44/0x50
[Sat Jul 10 01:51:56 2021] invalidate_inode_pages2_range+0x290/0x440
[Sat Jul 10 01:51:56 2021] ? fuse_simple_request+0xdc/0x280
[Sat Jul 10 01:51:56 2021] ? fuse_send_open+0xb9/0x110
[Sat Jul 10 01:51:56 2021] invalidate_inode_pages2+0x17/0x20
[Sat Jul 10 01:51:56 2021] fuse_finish_open+0x89/0x150
[Sat Jul 10 01:51:56 2021] fuse_open_common+0x1b2/0x1c0
[Sat Jul 10 01:51:56 2021] ? fuse_open_common+0x1c0/0x1c0
[Sat Jul 10 01:51:56 2021] fuse_open+0x10/0x20
[Sat Jul 10 01:51:56 2021] do_dentry_open+0x156/0x370
[Sat Jul 10 01:51:56 2021] vfs_open+0x2d/0x30
[Sat Jul 10 01:51:56 2021] do_open+0x1c3/0x340
[Sat Jul 10 01:51:56 2021] path_openat+0x10a/0x1d0
[Sat Jul 10 01:51:56 2021] do_filp_open+0x8c/0x130
[Sat Jul 10 01:51:56 2021] ? __check_object_size+0x1c/0x20
[Sat Jul 10 01:51:56 2021] do_sys_openat2+0x9b/0x150
[Sat Jul 10 01:51:56 2021] __x64_sys_openat+0x56/0x90
[Sat Jul 10 01:51:56 2021] do_syscall_64+0x38/0x90
[Sat Jul 10 01:51:56 2021] entry_SYSCALL_64_after_hwframe+0x44/0xa9
当发生这种情况时，是否可以使用 systemd 或 .ini 设置自动重新加载 php-fpm ？