Re: [Hdaps-devel] Re: HDAPS, Need to park the head for real

Stefan Rompf
2005-08-19T11:34:47Z

Dave Hansen wrote:

> In reality, that probably means a statically compiled daemon that
> mlock()s itself, and any structures that it will need. It _might_ even
> need to keep an open file descriptor on the "frozen" file. Because, in
> theory, that file could be written out to the sysfs backing store.

with such a hassle to make the parking API available, assure that the head
parking daemon is not swapped out, can access the filedescriptor, has a
priority high enough to start immediatly when needed, wouldn't that qualify
for running in kernel space?

Stefan