Revert "Cifs FIX CONFIG_RESTRICT_ROOTFS_SLAVE"

This reverts commit 48f0d5ffdb2dd60a9b3b6d17bd245bb6dcd5cf17.
Revert "FIX CIFS"

This reverts commit dc2dda6a9d4c4548f3e0f2a4bc59c19eafe9e1db.