Windows: Missing try..except in AFSCachedWrite

Wrap another cache manager call with try..except

Reviewed-on: http://gerrit.openafs.org/10184
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 3f797fc71174a5779cf1cae3ba452f401a668881)

Change-Id: I2803068e9381827d6804c2a85d17234c408c91d0
Reviewed-on: http://gerrit.openafs.org/10204
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Windows: AFSWrite comments

Add various comments regarding lock requirements

Reviewed-on: http://gerrit.openafs.org/10185
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit c7e8b75353e2cd0bb58b05c9faab21df14c73c69)

Change-Id: Ieaa7ee26ffa2e03881ffdc5aca1c193b670488af
Reviewed-on: http://gerrit.openafs.org/10205
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>