On Fri, Apr 05, 2013 at 03:57:50PM -0400, Mikulas Patocka wrote: > Hi > > This patch avoids a possible deadlock in dm-bufio. (it could happen only > with large block size, at most PAGE_SIZE << MAX_ORDER (typically 8MiB). Does anything currently use such large block sizes? (dm-thin and dm-cache stick to 4k blocks). - Joe