__blk_mq_debugfs_rq_show() and blk_mq_debugfs_rq_show() are exported
symbols but ar eonly declared in the block internal file
block/blk-mq-debugfs.h. which is not cleanly accessible to files outside
of the block directory.
Move the declaration of these functions to the new file
include/linux/blk-mq-debugfs.h file to make the declarations cleanly
available to other modules.
While at it, also move the definition of the blk_mq_debugfs_attr
structure to allow scheduler modules outside of the block directory to
define debugfs attributes.
Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx>
---
block/blk-mq-debugfs.h | 14 +-------------
include/linux/blk-mq-debugfs.h | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+), 13 deletions(-)
create mode 100644 include/linux/blk-mq-debugfs.h
diff --git a/block/blk-mq-debugfs.h b/block/blk-mq-debugfs.h
index a182e6f97565..4ffeae84b83a 100644
--- a/block/blk-mq-debugfs.h
+++ b/block/blk-mq-debugfs.h
@@ -3,19 +3,7 @@
#ifdef CONFIG_BLK_DEBUG_FS
-#include <linux/seq_file.h>
-
-struct blk_mq_debugfs_attr {
- const char *name;
- umode_t mode;
- int (*show)(void *, struct seq_file *);
- ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
- /* Set either .show or .seq_ops. */
- const struct seq_operations *seq_ops;
-};
-
-int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
-int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
+#include <linux/blk-mq-debugfs.h>
int blk_mq_debugfs_register(struct request_queue *q);
void blk_mq_debugfs_unregister(struct request_queue *q);
diff --git a/include/linux/blk-mq-debugfs.h b/include/linux/blk-mq-debugfs.h
new file mode 100644
index 000000000000..211537f61dce
--- /dev/null
+++ b/include/linux/blk-mq-debugfs.h
@@ -0,0 +1,23 @@
+#ifndef BLK_MQ_DEBUGFS_H
+#define BLK_MQ_DEBUGFS_H
+
+#ifdef CONFIG_BLK_DEBUG_FS
+
+#include <linux/blkdev.h>
+#include <linux/seq_file.h>
+
+struct blk_mq_debugfs_attr {
+ const char *name;
+ umode_t mode;
+ int (*show)(void *, struct seq_file *);
+ ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
+ /* Set either .show or .seq_ops. */
+ const struct seq_operations *seq_ops;
+};
+
+int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
+int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
+
+#endif
+
+#endif
--
2.13.5
