tree 7a4cab17f816481e64b20b620bbbdfd1cd9b16c9
parent ba1c431f54960c03ca56b5619a9d07d6ee50579e
author Jens Axboe <axboe@fb.com> 1414592788 -0600
committer Mohamad Ayyash <mkayyash@google.com> 1425693481 -0800

engines/rbd: sort IO by start time before waiting on it

Instead of waiting on the first random IO we find, wait on the
oldest one. For higher queue depth, this should yield better
performance and lower latencies.

Signed-off-by: Jens Axboe <axboe@fb.com>