Commits
Shaohua Li committed 5bcd0e0c79b
nullb: support memory backed store This adds memory backed store in nullb. User configure 'memory_backed' attribute for this. By default, nullb disk doesn't use memory backed store. Based on original patch from Kyungchan Koh Signed-off-by: Kyungchan Koh <kkc6196@fb.com> Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>