tree ea483d1efe56a4f6334122a499e0481bbab2d848
parent 79f2b358c9ba373943a9284be2861fde58291c4e
author Christoph Hellwig <hch@lst.de> 1456757986 +0100
committer Jens Axboe <axboe@fb.com> 1456760836 -0700

nvme: replace the kthread with a per-device watchdog timer

The only work left in the kthread is the periodic health check for each
controller.  There is no need to run this from process context or keep
a thread context around for it, so replace it with a simpler timer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@fb.com>