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| author | Omar Sandoval <osandov@fb.com> | 2017-05-04 00:31:34 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-05-04 08:25:17 -0600 |
| commit | daaadb3e9453ab89c2e113a2d1df8e19e30944cc (patch) | |
| tree | 4a72782bd1b32dd4b0757e993644ff98b7cbc9d5 /block/blk-mq-debugfs.c | |
| parent | 16b738f651c83a01db057e5db02ec4b830af9130 (diff) | |
| download | lwn-daaadb3e9453ab89c2e113a2d1df8e19e30944cc.tar.gz lwn-daaadb3e9453ab89c2e113a2d1df8e19e30944cc.zip | |
mq-deadline: add debugfs attributes
Expose the fifo lists, cached next requests, batching state, and
dispatch list. It'd also be possible to add the sorted lists, but there
aren't already seq_file helpers for rbtrees.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-debugfs.c')
| -rw-r--r-- | block/blk-mq-debugfs.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 8ec738f872e5..803aed4d7221 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -267,9 +267,8 @@ static const char *const rqf_name[] = { }; #undef RQF_NAME -int blk_mq_debugfs_rq_show(struct seq_file *m, void *v) +int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq) { - struct request *rq = list_entry_rq(v); const struct blk_mq_ops *const mq_ops = rq->q->mq_ops; const unsigned int op = rq->cmd_flags & REQ_OP_MASK; @@ -291,6 +290,12 @@ int blk_mq_debugfs_rq_show(struct seq_file *m, void *v) seq_puts(m, "}\n"); return 0; } +EXPORT_SYMBOL_GPL(__blk_mq_debugfs_rq_show); + +int blk_mq_debugfs_rq_show(struct seq_file *m, void *v) +{ + return __blk_mq_debugfs_rq_show(m, list_entry_rq(v)); +} EXPORT_SYMBOL_GPL(blk_mq_debugfs_rq_show); static void *hctx_dispatch_start(struct seq_file *m, loff_t *pos) |