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blk-mq-debugfs: allow schedulers to register debugfs attributes

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This provides the infrastructure for schedulers to expose their internal
state through debugfs. We add a list of queue attributes and a list of
hctx attributes to struct elevator_type and wire them up when switching
schedulers.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>

Add missing seq_file.h header in blk-mq-debugfs.h

Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Omar Sandoval 2017-05-04 08:24:40 -06:00 • committed by Jens Axboe
commit d332ce0918
6 changed files with 127 additions and 17 deletions
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