tree 75f59c4689fcca6add4b6f6dfea45cd09643bad4
parent db9ab4e0075cd3eb591125c0333e00faede25180
author Jens Axboe <axboe@fb.com> 1411568475 -0600
committer Mohamad Ayyash <mkayyash@google.com> 1425693435 -0800

dedupe: don't add extent items unless we use them

Only used for collision_check and debug output, so save memory
if those aren't enabled.

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