[linux-lvm] thin handling of available space

[matthew patton]

It is not the OS' responsibility to coddle stupid sysadmins. If you're not watching for high-water marks in FS growth vis a vis the underlying, you're not doing your job. If there was anything more than the remotest chance that the FS would grow to full size it should not have been thin in the first place.

The FS already has a notion of 'reserved'. man(1) tune2fs -r