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idlemaint.sh
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idlemaint.sh
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#!/vendor/bin/sh
# F2FS Urgent GC Trigger Scripts
# By Amktiao Date: 2024-02-28
mversion="20240526"
model_name=$(getprop ro.product.name)
get_data_dev=$(getprop dev.mnt.dev.data)
get_f2fs_sysfs="/sys/fs/f2fs/$get_data_dev"
function check_run_context()
{
PATH="/system/bin:$PATH"; export PATH
if [ `whoami` != "root" ]; then
echo "[!] 未使用Root模式运行, 已自动退出"
echo "[#] 在运行前勾上Root再重试"; exit 0
fi
if [ ! -d "$get_f2fs_sysfs" ]; then
echo "[!] 您的设备不是 F2FS 文件系统"
echo "[#] 空闲维护仅支持 F2FS 环境"; exit 0
fi
}
function amktiao_main()
{
echo "[-] F2FS 触发 紧急GC 回收小工具"
echo "[-] 版本: $mversion 机型: $model_name"
check_run_context
case $model_name in
"munch"* | "pipa")
start_run_urgent_gc;;
*)
start_run_idlemaint;;
esac
}
function show_volume_info()
{
target_free_segs=$(cat $get_f2fs_sysfs/free_segments)
target_dirty_segs=$(cat $get_f2fs_sysfs/dirty_segments)
echo "[-] [$get_data_dev] 目前脏段: $target_dirty_segs"
echo "[-] [$get_data_dev] 目前空闲段: $target_free_segs"
}
function start_run_urgent_gc()
{
show_volume_info
# 当目标磁盘卷的脏段低于 256 跳过 GC
if [ ! $(cat $get_f2fs_sysfs/dirty_segments) -ge 256 ]; then
echo "[#] [$get_data_dev] 的脏段低于预设值 不需要 GC"
exit 0
fi
echo "[-] [$get_data_dev] 紧急GC 已开始, 请耐心等待"
echo 1 > $get_f2fs_sysfs/gc_urgent; start_time=$(date +%s)
# 等待脏段数量低于 200 或 超时8分钟 停止紧急GC
while [ $(cat $get_f2fs_sysfs/dirty_segments) -ge 200 ]; do
cur_time=$(date +%s); run_time=$((cur_time - start_time))
if [ $run_time -ge 480 ]; then
echo "[#] [$get_data_dev] 紧急GC 超时 已强制停止"
break
fi
echo -ne "[#] [$get_data_dev] 紧急GC 已运行 $run_time 秒\r"
sleep 1 # 检查循环间隔 1秒
done
echo 0 > $get_f2fs_sysfs/gc_urgent
echo "[-] [$get_data_dev] 磁盘 紧急GC 已结束, 共耗时 $run_time 秒"
show_volume_info
}
function start_run_idlemaint()
{
show_volume_info
# 当目标磁盘卷的脏段低于 256 跳过 GC
if [ ! $(cat $get_f2fs_sysfs/dirty_segments) -ge 256 ]; then
echo "[#] [$get_data_dev] 的脏段低于预设值 不需要 GC"
exit 0
fi
sm idle-maint run; sleep 2; start_time=$(date +%s)
echo "[-] [$get_data_dev] 空闲维护已开始, 请耐心等待"
# 等待紧急GC节点为0 说明StartGc已完成
while [ ! $(cat $get_f2fs_sysfs/gc_urgent) == 0 ]; do
cur_time=$(date +%s); run_time=$((cur_time - start_time))
echo -ne "[#] [$get_data_dev] 空闲维护 服务已运行 $run_time 秒\r"
sleep 1 # 检查循环间隔 1秒
done
echo "[-] [$get_data_dev] 磁盘 空闲维护 已完成, 共耗时 $run_time 秒"
show_volume_info
}
# Software main
amktiao_main