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authorMing Lei <ming.lei@redhat.com>2018-12-17 09:46:00 +0800
committerJens Axboe <axboe@kernel.dk>2018-12-16 19:53:47 -0700
commitcc56694f132a8f5fa9334e3afe990de8c3378866 (patch)
treec67715ced5609fdcd34e95c3dcc24e6bc8ae494a /samples
parentf9824952ee1cd02ae1a74e35e0e8653f8a4db772 (diff)
blk-mq-debugfs: support rq_qos
blk-mq-debugfs has been proved as very helpful for debug some tough issues, such as IO hang. We have seen blk-wbt related IO hang several times, even inside Red Hat BZ, there is such report not sovled yet, so this patch adds support debugfs on rq_qos. Cc: Bart Van Assche <bart.vanassche@wdc.com> Cc: Omar Sandoval <osandov@fb.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'samples')
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