summaryrefslogtreecommitdiff
path: root/block/blk-mq-debugfs.c
AgeCommit message (Collapse)AuthorFilesLines
2017-01-27blk-mq: add hctx->{state,flags} to debugfsOmar Sandoval1-0/+42
hctx->state could come in handy for bugs where the hardware queue gets stuck in the stopped state, and hctx->flags is just useful to know. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-01-27blk-mq: create debugfs directory treeOmar Sandoval1-0/+152
In preparation for putting blk-mq debugging information in debugfs, create a directory tree mirroring the one in sysfs: # tree -d /sys/kernel/debug/block /sys/kernel/debug/block |-- nvme0n1 | `-- mq | |-- 0 | | `-- cpu0 | |-- 1 | | `-- cpu1 | |-- 2 | | `-- cpu2 | `-- 3 | `-- cpu3 `-- vda `-- mq `-- 0 |-- cpu0 |-- cpu1 |-- cpu2 `-- cpu3 Also add the scaffolding for the actual files that will go in here, either under the hardware queue or software queue directories. Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>