[PATCH 4.2.y-ckt 008/206] xfs: disallow rw remount on fs with unknown ro-compat features

4.2.8-ckt12 -stable review patch. If anyone has any objections, please let me know. ---8< From: Eric Sandeen commit d0a58e833931234c44e515b5b8bede32bd4e6eed upstream. Today, a kernel which refuses to mount a

[PATCH 4.2.y-ckt 008/206] xfs: disallow rw remount on fs with unknown ro-compat features

4.2.8-ckt12 -stable review patch. If anyone has any objections, please let me know. ---8< From: Eric Sandeen commit d0a58e833931234c44e515b5b8bede32bd4e6eed upstream. Today, a kernel which refuses to mount a filesystem read-write