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authorMike Snitzer <snitzer@redhat.com>2016-09-14 13:28:30 -0400
committerJens Axboe <axboe@fb.com>2016-09-14 11:48:34 -0600
commit2849450ad39d2e699fda2d5c6f41e05d87fd7004 (patch)
tree086e7fd583a30bdefcfe01bd3fef60eeda4ad742 /block/blk-ioc.c
parentc5c5ca777469f0ff854f1da0aff9b3a9051b3ef7 (diff)
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blk-mq: introduce blk_mq_delay_kick_requeue_list()
blk_mq_delay_kick_requeue_list() provides the ability to kick the q->requeue_list after a specified time. To do this the request_queue's 'requeue_work' member was changed to a delayed_work. blk_mq_delay_kick_requeue_list() allows DM to defer processing requeued requests while it doesn't make sense to immediately requeue them (e.g. when all paths in a DM multipath have failed). Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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