GetFilesystemInfos, TotalKB: -1 should be handled by AutoExpirer

[Nicholas J Kreucher]

Binary package hint: mythtv

Description: Ubuntu 8.04.2
Release: 8.04

mythtv-backend:
  Installed: 0.21.0+fixes18207-0ubuntu4~hardy1
  Candidate: 0.21.0+fixes18207-0ubuntu4~hardy1
  Version table:
 *** 0.21.0+fixes18207-0ubuntu4~hardy1 0
        500 http://us.archive.ubuntu.com hardy-backports/multiverse Packages
        100 /var/lib/dpkg/status
     0.21.0+fixes16838-0ubuntu3 0
        500 http://us.archive.ubuntu.com hardy/multiverse Packages

Problems with GetFilesystemInfos will return -1 for TotalKB an UsedKB, which is obviously an error condition. However, the AutoExpirer will happily delete all your recordings, since FreeKB is also 0.

--- GetFilesystemInfos directory list start ---
Dir: pacifico:/var/lib/mythtv/recordings
     Location: Local
     Drive ID: 1
     TotalKB : -1
     UsedKB : -1
     FreeKB : 0

--- GetFilesystemInfos directory list end ---

Two issues:
1) Root cause of GetFilesystemInfos failing
2) AutoExpirer not handling this error case from GetFilesystemInfos correctly.

Linking in http://svn.mythtv.org/trac/ticket/6503, as a safety net fix has been committed (http://svn.mythtv.org/trac/changeset/20452) to fix issue #2. The root case is being investigated, follow http://svn.mythtv.org/trac/ticket/6503 for details.

[MarcRandolph (mrand)]

Any builds after 26 Apr 09 (r20453) should contain this.