[PATCH] pktcdvd: add sysfs and debugfs interface
Add a sysfs and debugfs interface to the pktcdvd driver.
Look into the Documentation/ABI/testing/* files in the patch for more info.
Signed-off-by: Thomas Maier <balagi@justmail.de>
Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h
index 9b1a185..5ea4f05 100644
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -111,7 +111,8 @@
#include <linux/blkdev.h>
#include <linux/completion.h>
#include <linux/cdrom.h>
-
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
/* default bio write queue congestion marks */
#define PKT_WRITE_CONGESTION_ON 10000
@@ -247,6 +248,14 @@
};
#define PSD_POOL_SIZE 64
+struct pktcdvd_kobj
+{
+ struct kobject kobj;
+ struct pktcdvd_device *pd;
+};
+#define to_pktcdvdkobj(_k) \
+ ((struct pktcdvd_kobj*)container_of(_k,struct pktcdvd_kobj,kobj))
+
struct pktcdvd_device
{
struct block_device *bdev; /* dev attached */
@@ -280,6 +289,13 @@
int write_congestion_off;
int write_congestion_on;
+
+ struct class_device *clsdev; /* sysfs pktcdvd[0-7] class dev */
+ struct pktcdvd_kobj *kobj_stat; /* sysfs pktcdvd[0-7]/stat/ */
+ struct pktcdvd_kobj *kobj_wqueue; /* sysfs pktcdvd[0-7]/write_queue/ */
+
+ struct dentry *dfs_d_root; /* debugfs: devname directory */
+ struct dentry *dfs_f_info; /* debugfs: info file */
};
#endif /* __KERNEL__ */