Unmount btrfs when stopping OSD's

[Wido den Hollander <wido@widodh.nl>]

Hi,

It's something I noticed some time ago, but never really paid attention to.

When we start an OSD we automatically mount the btrfs filesystem if 
"btrfs devs" is set, but we do not unmount when we stop the OSD.

I see the init script is prepared for this:

dobtrfsumount=0
..
     --btrfsumount)
	    dobtrfsumount=1
..
if [ $dobtrfsumount -eq 1 ] && [ -n "$btrfs_devs" ]; then

Why would this be set to 0 by default? Any reason?

I like my daemons/init scripts to clean up their 'mess' when they stop.

I'd vote for setting this to 1 by default.

Wido