On Mon, Jan 28, 2013 at 03:49:24PM -0600, Seth Jennings wrote: > swap_writepage() is currently where frontswap hooks into the swap > write path to capture pages with the frontswap_store() function. > However, if a frontswap backend wants to "resume" the writeback of > a page to the swap device, it can't call swap_writepage() as > the page will simply reenter the backend. > > This patch separates swap_writepage() into a top and bottom half, the > bottom half named __swap_writepage() to allow a frontswap backend, > like zswap, to resume writeback beyond the frontswap_store() hook. > > __add_to_swap_cache() is also made non-static so that the page for > which writeback is to be resumed can be added to the swap cache. > > Signed-off-by: Seth Jennings <sjenn...@linux.vnet.ibm.com> Acked-by: Minchan Kim <minc...@kernel.org>
-- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
