kernfs: s/sysfs/kernfs/ in constants

kernfs has just been separated out from sysfs and we're already in
full conflict mode.  Nothing can make the situation any worse.  Let's
take the chance to name things properly.

This patch performs the following renames.

* s/SYSFS_DIR/KERNFS_DIR/
* s/SYSFS_KOBJ_ATTR/KERNFS_FILE/
* s/SYSFS_KOBJ_LINK/KERNFS_LINK/
* s/SYSFS_{TYPE_FLAGS}/KERNFS_{TYPE_FLAGS}/
* s/SYSFS_FLAG_{FLAG}/KERNFS_{FLAG}/
* s/sysfs_type()/kernfs_type()/
* s/SD_DEACTIVATED_BIAS/KN_DEACTIVATED_BIAS/

This patch is strictly rename only and doesn't introduce any
functional difference.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 757647c4..e9c4e3a 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -28,22 +28,22 @@
 struct kernfs_iattrs;
 
 enum kernfs_node_type {
-	SYSFS_DIR		= 0x0001,
-	SYSFS_KOBJ_ATTR		= 0x0002,
-	SYSFS_KOBJ_LINK		= 0x0004,
+	KERNFS_DIR		= 0x0001,
+	KERNFS_FILE		= 0x0002,
+	KERNFS_LINK		= 0x0004,
 };
 
-#define SYSFS_TYPE_MASK		0x000f
-#define SYSFS_COPY_NAME		(SYSFS_DIR | SYSFS_KOBJ_LINK)
-#define SYSFS_ACTIVE_REF	SYSFS_KOBJ_ATTR
-#define SYSFS_FLAG_MASK		~SYSFS_TYPE_MASK
+#define KERNFS_TYPE_MASK	0x000f
+#define KERNFS_COPY_NAME	(KERNFS_DIR | KERNFS_LINK)
+#define KERNFS_ACTIVE_REF	KERNFS_FILE
+#define KERNFS_FLAG_MASK	~KERNFS_TYPE_MASK
 
 enum kernfs_node_flag {
-	SYSFS_FLAG_REMOVED	= 0x0010,
-	SYSFS_FLAG_NS		= 0x0020,
-	SYSFS_FLAG_HAS_SEQ_SHOW	= 0x0040,
-	SYSFS_FLAG_HAS_MMAP	= 0x0080,
-	SYSFS_FLAG_LOCKDEP	= 0x0100,
+	KERNFS_REMOVED		= 0x0010,
+	KERNFS_NS		= 0x0020,
+	KERNFS_HAS_SEQ_SHOW	= 0x0040,
+	KERNFS_HAS_MMAP		= 0x0080,
+	KERNFS_LOCKDEP		= 0x0100,
 };
 
 /* type-specific structures for kernfs_node union members */
@@ -170,9 +170,9 @@
 
 #ifdef CONFIG_SYSFS
 
-static inline enum kernfs_node_type sysfs_type(struct kernfs_node *kn)
+static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)
 {
-	return kn->flags & SYSFS_TYPE_MASK;
+	return kn->flags & KERNFS_TYPE_MASK;
 }
 
 /**
@@ -185,9 +185,9 @@
  */
 static inline void kernfs_enable_ns(struct kernfs_node *kn)
 {
-	WARN_ON_ONCE(sysfs_type(kn) != SYSFS_DIR);
+	WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR);
 	WARN_ON_ONCE(!RB_EMPTY_ROOT(&kn->dir.children));
-	kn->flags |= SYSFS_FLAG_NS;
+	kn->flags |= KERNFS_NS;
 }
 
 /**
@@ -198,7 +198,7 @@
  */
 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)
 {
-	return kn->flags & SYSFS_FLAG_NS;
+	return kn->flags & KERNFS_NS;
 }
 
 struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent,
@@ -238,7 +238,7 @@
 
 #else	/* CONFIG_SYSFS */
 
-static inline enum kernfs_node_type sysfs_type(struct kernfs_node *kn)
+static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)
 { return 0; }	/* whatever */
 
 static inline void kernfs_enable_ns(struct kernfs_node *kn) { }