On Fri, Sep 09, 2011 at 12:00:47PM +0100, Mel Gorman wrote: > Currently swapfiles are managed entirely by the core VM by using > ->bmap to allocate space and write to the blocks directly. This > patch adds address_space_operations methods that allow a filesystem > to optionally control the swapfile. > > int swap_activate(struct file *); > int swap_deactivate(struct file *); > int swap_writepage(struct file *, struct page *, struct writeback_control *); > int swap_readpage(struct file *, struct page *); Just as the last two dozen times this came up: NAK The right fix is to add a filesystem method to support direct-I/O on arbitrary kernel pages, instead of letting the wap abstraction leak into the filesystem. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
