tree 0db6c8a94340addf1f8cab4c4b761bca8df9ab11
parent da41a589f52464e24ddefe76814ee35bfb07950c
author Jens Axboe <axboe@fb.com> 1400702348 -0600
committer Jens Axboe <axboe@fb.com> 1400702348 -0600

blk-mq: allow the hctx cpu hotplug notifier to return errors

Prepare this for the next patch which adds more smarts in the
plugging logic, so that we can save some memory.

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