Laptop-Hotswap 0.3.6

Laptop-Hotswap kernel module enables hot-swapping for disk drives with full DMA support under Linux. It requires kernel 2.6.15+ and ACPI.
I think it ought to work on just about any laptop, although Im not as familiar with ACPI as Id like to be. It works fine on my T22. There could be issues with laptops with two expansion bays -- I shut down the entire ide1 interface and fire it back up, and I do all my watching on the ACPI device for the IDE1/Master. So if you had a slave device, and you ejected the master, your slave will go bye-bye. Thinking about ways around that, but they dont export too much of the ide driver. I think itd be easy to handle, you just have to make sure youre not using either master or slave whenever you eject one of them.
At least on my laptop, dont go pulling things while your laptop is sleeping. Do it when its awake.
The floppy support should work, but my floppy drive isnt with me right now.
Theres one parameter -- auto_eject. If you set it to 1, the driver will automatically shut down and unregister the IDE interface upon getting a request for ejection (On my T22, I pull a little switch and a lever pops out -- the drive is still connected at that point, but it shows as a request for ejection). If your laptop doesnt have a mechanism for that:
echo -n "MSTR eject" > /proc/acpi/lths
Will shut down and software-eject the drive, and you can safely pull it and insert another.
See the scripts in config/ -- theyre made to work with acpid to handle the ejection and umounting and insertion. The mount/umount stuff only matters for a drive caddy, I suppose.
It shouldnt matter what you have in your laptop at boot. This module also fixes that annoying thing on my T22 where if I dont have a ultrabay battery in at boot, I cant ever see its status.
Enhancements:
- Support for the Fujitsu S7020 (and possibly other laptops using a PATA bay with an SATA main disk).