/** File open operation
*
* No creation, or truncation flags (O_CREAT, O_EXCL, O_TRUNC)
- * will be passed to open(). Open should check if the operation
+ * will be passed to open(). Unless the 'default_permissions'
+ * mount option is given, open should check if the operation
* is permitted for the given flags. Optionally open may also
* return an arbitrary filehandle in the fuse_file_info structure,
* which will be passed to all file operations.