[PATCH] libsysfs update for refresh + namedev.c changes

Please find inlined a patch which contains updates to libsysfs
(pre-release) for refresh and also changes to namedev.c to take
advantage of it.

1 files changed, 26 insertions, 10 deletions

diff --git a/libsysfs/libsysfs.h b/libsysfs/libsysfs.h
index 2ffe1005cc..10faab92aa 100644
--- a/libsysfs/libsysfs.h
+++ b/libsysfs/libsysfs.h
@@ -62,18 +62,20 @@ struct sysfs_link {
 };
 
 struct sysfs_directory {
+	unsigned char name[SYSFS_NAME_LEN];
+	unsigned char path[SYSFS_PATH_MAX];
+
+	/* Private: for internal use only */
 	struct dlist *subdirs;	
 	struct dlist *links;		
 	struct dlist *attributes;
-	unsigned char name[SYSFS_NAME_LEN];
-	unsigned char path[SYSFS_PATH_MAX];
 };
 
 struct sysfs_driver {
 	unsigned char name[SYSFS_NAME_LEN];
 	unsigned char path[SYSFS_PATH_MAX];
 
-	/* for internal use only */
+	/* Private: for internal use only */
 	struct dlist *devices;
 	struct sysfs_directory *directory;	
 };
@@ -85,7 +87,7 @@ struct sysfs_device {
 	unsigned char driver_name[SYSFS_NAME_LEN];
 	unsigned char path[SYSFS_PATH_MAX];
 
-	/* for internal use only */
+	/* Private: for internal use only */
 	struct sysfs_device *parent;		
 	struct dlist *children;	
 	struct sysfs_directory *directory;	
@@ -95,7 +97,7 @@ struct sysfs_root_device {
 	unsigned char name[SYSFS_NAME_LEN];
 	unsigned char path[SYSFS_PATH_MAX];
 
-	/* for internal use only */
+	/* Private: for internal use only */
 	struct dlist *devices;
 	struct sysfs_directory *directory;
 };
@@ -104,7 +106,7 @@ struct sysfs_bus {
 	unsigned char name[SYSFS_NAME_LEN];
 	unsigned char path[SYSFS_PATH_MAX];
 
-	/* internal use only */
+	/* Private: for internal use only */
 	struct dlist *drivers;
 	struct dlist *devices;
 	struct sysfs_directory *directory;	
@@ -115,7 +117,7 @@ struct sysfs_class_device {
 	unsigned char classname[SYSFS_NAME_LEN];
 	unsigned char path[SYSFS_PATH_MAX];
 
-	/* for internal use only */
+	/* Private: for internal use only */
 	struct sysfs_class_device *parent;	
 	struct sysfs_device *sysdevice;		/* NULL if virtual */
 	struct sysfs_driver *driver;		/* NULL if not implemented */
@@ -126,7 +128,7 @@ struct sysfs_class {
 	unsigned char name[SYSFS_NAME_LEN];
 	unsigned char path[SYSFS_PATH_MAX];
 
-	/* for internal use only */
+	/* Private: for internal use only */
 	struct dlist *devices;
 	struct sysfs_directory *directory;	
 };
@@ -138,8 +140,8 @@ extern "C" {
 /*
  * Function Prototypes
  */
-extern int sysfs_trailing_slash(unsigned char *path);
 extern int sysfs_get_mnt_path(unsigned char *mnt_path, size_t len);
+extern int sysfs_remove_trailing_slash(unsigned char *path);
 extern int sysfs_get_name_from_path(const unsigned char *path, 
 					unsigned char *name, size_t len);
 extern int sysfs_path_is_dir(const unsigned char *path);
@@ -161,7 +163,9 @@ extern int sysfs_write_attribute(struct sysfs_attribute *sysattr,
 		const unsigned char *new_value, size_t len);
 extern unsigned char *sysfs_get_value_from_attributes(struct dlist *attr, 
 						const unsigned char * name);
-extern int sysfs_refresh_attributes(struct dlist *attrlist);
+extern int sysfs_refresh_dir_attributes(struct sysfs_directory *sysdir);
+extern int sysfs_refresh_dir_links(struct sysfs_directory *sysdir);
+extern int sysfs_refresh_dir_subdirs(struct sysfs_directory *sysdir);
 extern void sysfs_close_directory(struct sysfs_directory *sysdir);
 extern struct sysfs_directory *sysfs_open_directory(const unsigned char *path);
 extern int sysfs_read_dir_attributes(struct sysfs_directory *sysdir);
@@ -179,6 +183,9 @@ extern struct sysfs_link *sysfs_get_subdirectory_link
 			(struct sysfs_directory *dir, unsigned char *linkname);
 extern struct sysfs_attribute *sysfs_get_directory_attribute
 			(struct sysfs_directory *dir, unsigned char *attrname);
+extern struct dlist *sysfs_get_dir_attributes(struct sysfs_directory *dir);
+extern struct dlist *sysfs_get_dir_links(struct sysfs_directory *dir);
+extern struct dlist *sysfs_get_dir_subdirs(struct sysfs_directory *dir);
 
 /* sysfs driver access */
 extern void sysfs_close_driver(struct sysfs_driver *driver);
@@ -189,9 +196,12 @@ extern struct sysfs_attribute *sysfs_get_driver_attr
 		(struct sysfs_driver *drv, const unsigned char *name);
 extern struct dlist *sysfs_get_driver_attributes(struct sysfs_driver *driver);
 extern struct dlist *sysfs_get_driver_devices(struct sysfs_driver *driver);
+extern struct dlist *sysfs_refresh_driver_devices(struct sysfs_driver *driver);
 extern struct dlist *sysfs_get_driver_links(struct sysfs_driver *driver);
 extern struct sysfs_device *sysfs_get_driver_device
 	(struct sysfs_driver *driver, const unsigned char *name);
+extern struct dlist *sysfs_refresh_driver_attributes
+			(struct sysfs_driver *driver);
 extern struct sysfs_attribute *sysfs_open_driver_attr(const unsigned char *bus, 
 		const unsigned char *drv, const unsigned char *attrib);
 
@@ -205,9 +215,12 @@ extern struct sysfs_device *sysfs_open_device
 		(const unsigned char *bus_id, const unsigned char *bus);
 extern struct sysfs_device *sysfs_get_device_parent(struct sysfs_device *dev);
 extern struct sysfs_device *sysfs_open_device_path(const unsigned char *path);
+extern int sysfs_get_device_bus(struct sysfs_device *dev);
 extern struct sysfs_attribute *sysfs_get_device_attr
 			(struct sysfs_device *dev, const unsigned char *name);
 extern struct dlist *sysfs_get_device_attributes(struct sysfs_device *device);
+extern struct dlist *sysfs_refresh_device_attributes
+			(struct sysfs_device *device);
 extern struct sysfs_attribute *sysfs_open_device_attr(const unsigned char *bus, 
 		const unsigned char *bus_id, const unsigned char *attrib);
 
@@ -221,6 +234,7 @@ extern struct sysfs_driver *sysfs_get_bus_driver(struct sysfs_bus *bus,
 extern struct dlist *sysfs_get_bus_drivers(struct sysfs_bus *bus);
 extern struct dlist *sysfs_get_bus_devices(struct sysfs_bus *bus);
 extern struct dlist *sysfs_get_bus_attributes(struct sysfs_bus *bus);
+extern struct dlist *sysfs_refresh_bus_attributes(struct sysfs_bus *bus);
 extern struct sysfs_attribute *sysfs_get_bus_attribute(struct sysfs_bus *bus,
 						unsigned char *attrname);
 extern struct sysfs_device *sysfs_open_bus_device(unsigned char *busname, 
@@ -247,6 +261,8 @@ extern struct sysfs_class_device *sysfs_get_class_device
 	(struct sysfs_class *class, unsigned char *name);
 extern struct dlist *sysfs_get_classdev_attributes
 	(struct sysfs_class_device *cdev);
+extern struct dlist *sysfs_refresh_classdev_attributes
+	(struct sysfs_class_device *cdev);
 extern struct sysfs_attribute *sysfs_get_classdev_attr
 	(struct sysfs_class_device *clsdev, const unsigned char *name);
 extern struct sysfs_attribute *sysfs_open_classdev_attr