tree dd94ebc8b17053087b9a459beebdd4ed18ad326d
parent 3a762de55b4ede47a5369f57d0f92979738be638
author Jens Axboe <axboe@kernel.dk> 1545320940 -0700
committer Jens Axboe <axboe@kernel.dk> 1545333425 -0700

sbitmap: add helpers for add/del wait queue handling

After commit 5d2ee7122c73, users of sbitmap that need wait queue
handling must use the provided helpers. But we only added
prepare_to_wait()/finish_wait() style helpers, add the equivalent
add_wait_queue/list_del wrappers as we..

This is needed to ensure kyber plays by the sbitmap waitqueue
rules.

Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>