On Fri, 2008-08-08 at 13:18 +0200, Jens Axboe wrote: > Actually, my memory is a bit shot, since I got rid of ->issue_flush_fn > in the 2.6.24 cycle. So it's already gone It was q->prepare_flush_fn which the discard_fn is based on, and that's still there in the for-2.6.28 tree you just pointed me at. http://git.kernel.dk/?p=linux-2.6-block.git;a=blob;f=block/blk-barrier.c;h=a09ead19f9c5702a1ad76d709c54969176fe9e94;hb=6dc2b733b2f9605b48fdb7692fce5a3eafe241e4#l149 -- David Woodhouse Open Source Technology Centre David.Woodhouse@xxxxxxxxx Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html