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authorJens Axboe <axboe@kernel.dk>2018-12-20 16:50:58 +0100
committerJens Axboe <axboe@kernel.dk>2018-12-20 20:17:21 +0100
commit00203ba40d40d7f33857416adfb18adaf0e40123 (patch)
treee10c6d169b9ca0c8dadccf03aba159c134cefdc2 /fs/aio.c
parentsbitmap: add helpers for add/del wait queue handling (diff)
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kyber: use sbitmap add_wait_queue/list_del wait helpers
sbq_wake_ptr() checks sbq->ws_active to know if it needs to loop the wait indexes or not. This requires the use of the sbitmap waitqueue wrappers, but kyber doesn't use those for its domain token waitqueue handling. Convert kyber to use the helpers. This fixes a hang with waiting for domain tokens. Fixes: 5d2ee7122c73 ("sbitmap: optimize wakeup check") Tested-by: Ming Lei <ming.lei@redhat.com> Reported-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/aio.c')
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