mdev u盘不能自动挂载和卸载
使用busybox提供的mdev进行设备节点和热拔插事件的管理
当把U盘插入时不能自动挂载,相关脚本如下:
- JScript code
#mdev.conf sd[a-z] 0:0 0660 @/etc/mdev/udisk_insert sd[a-z] 0:0 0660 $/etc/mdev/udisk_remove sdb[0-9] 0:6 660 hda[0-9] 0:6 660
fstab
- JScript code
# /etc/fstab: static file system information. # # <file system> <mount pt> <type> <options> <dump> <pass> /dev/root / ext2 rw,noauto 0 1 proc /proc proc defaults 0 0 none /tmp ramfs defaults 0 0 mdev /dev ramfs defaults 0 0 sysfs /sys sysfs defaults 0 0 tmpfs /var tmpfs defaults 0 0 tmpfs /tmp tmpfs defaults 0 0 tmpfs /dev tmpfs defaults 0 0
启动脚本rcS为
- C/C++ code
mount -t proc proc /proc mount -t tmpfs mdev /dev mount -t sysfs sysfs /sys mkdir /dev/pts mount -t devpts devpts /dev/pts mount -a /bin/echo /sbin/mdev >/proc/sys/kernel/hotplug mdev -s
Udisk自动挂载脚本和卸载脚分别为:
#!/bin/sh
echo "this is $MDEV"
if [ -d /sys/block/$MDEV ] ; then
echo mount udisk to /mnt/udisk
mkdir -p /mnt/udisk
mount /dev/$MDEV /mnt/udisk -t vfat -o utf8=1
if [ -f /mnt/udisk ];then
echo "mount udisk successfully"
fi
fi
#!/bin/sh
echo remove udisk
umount -t /mnt/udisk
rm -rf /mnt/udisk
echo "remove your udisk safely!"
- C/C++ code
#!/bin/sh
echo remove udisk
#umount -t /mnt/udisk
umount /mnt/udisk
#rm -rf /mnt/udisk
echo "remove your udisk safely!"