On Mon, Jan 28, 2013 at 03:49:25PM -0600, Seth Jennings wrote: > To prevent flooding the swap device with writebacks, frontswap > backends need to count and limit the number of outstanding > writebacks. The incrementing of the counter can be done before > the call to __swap_writepage(). However, the caller must receive > a notification when the writeback completes in order to decrement > the counter. > > To achieve this functionality, this patch modifies > __swap_writepage() to take the bio completion callback function > as an argument. > > end_swap_bio_write(), the normal bio completion function, is also > made non-static so that code doing the accounting can call it > after the accounting is done. > > Signed-off-by: Seth Jennings <sjenning@xxxxxxxxxxxxxxxxxx> Acked-by: Minchan Kim <minchan@xxxxxxxxxx> -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>