lkml.org 
[lkml]   [2008]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-pm] Freezer: Don't count threads waiting for frozen filesystems.
On Fri, 31 Oct 2008, Nigel Cunningham wrote:

> > Well yeah, your patch handles the straightforward cases. But it
> > doesn't help with the more tricky cases, where one fuse filesystem is
> > using another, and as those may become more widespread, this approach
> > will fail.
>
> At the moment, yes. But it's not impossible for us to modify the patch
> to handle that as well.

It depends on what you mean. The most direct reading of your statement
is simply wrong: It is _theoretically_ impossible to find the correct
order for freezing filesystems. To do so would be equivalent to
solving the halting problem.

Alan Stern



\
 
 \ /
  Last update: 2008-10-30 15:03    [from the cache]
©2003-2011 Jasper Spaans