mq-deadline: add debugfs attributes

[mirror_ubuntu-artful-kernel.git] / block / blk-mq-debugfs.c

diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 8ec738f872e505066110e0b4b2a85cb5864ff09f..803aed4d72216f5e23a585cb6d027115fa603ff9 100644 (file)
--- 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)