D17545: Do not stat move/copy job if the destination file system does not support writing

[Shubham]

shubham added a reviewer: dfaure.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D17545

To: shubham, #frameworks, dfaure
Cc: broulik, kde-frameworks-devel, michaelh, ngraham, bruns