kernfs: s/sysfs_dirent/kernfs_node/ and rename its friends accordingly

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_elem_dir/kernfs_elem_dir/
* s/sysfs_elem_symlink/kernfs_elem_symlink/
* s/sysfs_elem_attr/kernfs_elem_file/
* s/sysfs_dirent/kernfs_node/
* s/sd/kn/ in kernfs proper
* s/parent_sd/parent/
* s/target_sd/target/
* s/dir_sd/parent/
* s/to_sysfs_dirent()/rb_to_kn()/
* misc renames of local vars when they conflict with the above

Because md, mic and gpio dig into sysfs details, this patch ends up
modifying them.  All are sysfs_dirent renames and trivial.  While we
can avoid these by introducing a dummy wrapping struct sysfs_dirent
around kernfs_node, given the limited usage outside kernfs and sysfs
proper, I don't think such workaround is called for.

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

- mic / gpio renames were missing.  Spotted by kbuild test robot.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>
Cc: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 20 insertions, 20 deletions

diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 910e485b7333..b7ea76c6fb33 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -31,24 +31,24 @@ struct sysfs_inode_attrs {
 /* SYSFS_TYPE_MASK and types are defined in include/linux/kernfs.h */
 
 /**
- * kernfs_root - find out the kernfs_root a sysfs_dirent belongs to
- * @sd: sysfs_dirent of interest
+ * kernfs_root - find out the kernfs_root a kernfs_node belongs to
+ * @kn: kernfs_node of interest
  *
- * Return the kernfs_root @sd belongs to.
+ * Return the kernfs_root @kn belongs to.
  */
-static inline struct kernfs_root *kernfs_root(struct sysfs_dirent *sd)
+static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn)
 {
         /* if parent exists, it's always a dir; otherwise, @sd is a dir */
-        if (sd->s_parent)
-                sd = sd->s_parent;
-        return sd->s_dir.root;
+        if (kn->s_parent)
+                kn = kn->s_parent;
+        return kn->s_dir.root;
 }
 
 /*
  * Context structure to be used while adding/removing nodes.
  */
 struct sysfs_addrm_cxt {
-        struct sysfs_dirent     *removed;
+        struct kernfs_node      *removed;
 };
 
 /*
@@ -62,10 +62,10 @@ struct sysfs_super_info {
         struct kernfs_root      *root;
 
         /*
-         * Each sb is associated with one namespace tag, currently the network
-         * namespace of the task which mounted this sysfs instance.  If multiple
-         * tags become necessary, make the following an array and compare
-         * sysfs_dirent tag against every entry.
+         * Each sb is associated with one namespace tag, currently the
+         * network namespace of the task which mounted this sysfs instance.
+         * If multiple tags become necessary, make the following an array
+         * and compare kernfs_node tag against every entry.
          */
         const void              *ns;
 };
@@ -76,7 +76,7 @@ extern struct kmem_cache *sysfs_dir_cachep;
 /*
  * inode.c
  */
-struct inode *sysfs_get_inode(struct super_block *sb, struct sysfs_dirent *sd);
+struct inode *sysfs_get_inode(struct super_block *sb, struct kernfs_node *kn);
 void sysfs_evict_inode(struct inode *inode);
 int sysfs_permission(struct inode *inode, int mask);
 int sysfs_setattr(struct dentry *dentry, struct iattr *iattr);
@@ -98,21 +98,21 @@ extern const struct dentry_operations sysfs_dentry_ops;
 extern const struct file_operations sysfs_dir_operations;
 extern const struct inode_operations sysfs_dir_inode_operations;
 
-struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd);
-void sysfs_put_active(struct sysfs_dirent *sd);
+struct kernfs_node *sysfs_get_active(struct kernfs_node *kn);
+void sysfs_put_active(struct kernfs_node *kn);
 void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt);
-int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd,
-                  struct sysfs_dirent *parent_sd);
+int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct kernfs_node *kn,
+                  struct kernfs_node *parent);
 void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt);
-struct sysfs_dirent *sysfs_new_dirent(struct kernfs_root *root,
-                                      const char *name, umode_t mode, int type);
+struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root,
+                                     const char *name, umode_t mode, int type);
 
 /*
  * file.c
  */
 extern const struct file_operations kernfs_file_operations;
 
-void sysfs_unmap_bin_file(struct sysfs_dirent *sd);
+void sysfs_unmap_bin_file(struct kernfs_node *kn);
 
 /*
  * symlink.c