f2fs: clean up an unused parameter and assignment

This patch cleans up simple unnecessary codes.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/dir.c

@@ -338,7 +338,7 @@ static struct page *init_inode_metadata(struct inode *inode,
 	int err;
 
 	if (is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {
-		page = new_inode_page(inode, name);
+		page = new_inode_page(inode);
 		if (IS_ERR(page))
 			return page;
 

fs/f2fs/f2fs.h

@@ -1174,7 +1174,7 @@ int truncate_inode_blocks(struct inode *, pgoff_t);
 int truncate_xattr_node(struct inode *, struct page *);
 int wait_on_node_pages_writeback(struct f2fs_sb_info *, nid_t);
 void remove_inode_page(struct inode *);
-struct page *new_inode_page(struct inode *, const struct qstr *);
+struct page *new_inode_page(struct inode *);
 struct page *new_node_page(struct dnode_of_data *, unsigned int, struct page *);
 void ra_node_page(struct f2fs_sb_info *, nid_t);
 struct page *get_node_page(struct f2fs_sb_info *, pgoff_t);

fs/f2fs/namei.c

@@ -23,14 +23,13 @@
 
 static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 {
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	nid_t ino;
 	struct inode *inode;
 	bool nid_free = false;
 	int err;
 
-	inode = new_inode(sb);
+	inode = new_inode(dir->i_sb);
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
@@ -103,8 +102,7 @@ static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
 static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 						bool excl)
 {
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	struct inode *inode;
 	nid_t ino = 0;
 	int err;
@@ -147,8 +145,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
 		struct dentry *dentry)
 {
 	struct inode *inode = old_dentry->d_inode;
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	int err;
 
 	f2fs_balance_fs(sbi);
@@ -208,8 +205,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
 
 static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
 {
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	struct inode *inode = dentry->d_inode;
 	struct f2fs_dir_entry *de;
 	struct page *page;
@@ -243,8 +239,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
 static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
 					const char *symname)
 {
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	struct inode *inode;
 	size_t symlen = strlen(symname) + 1;
 	int err;
@@ -331,8 +326,7 @@ static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
 static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
 				umode_t mode, dev_t rdev)
 {
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	struct inode *inode;
 	int err = 0;
 
@@ -370,8 +364,7 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
 static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			struct inode *new_dir, struct dentry *new_dentry)
 {
-	struct super_block *sb = old_dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(old_dir->i_sb);
 	struct inode *old_inode = old_dentry->d_inode;
 	struct inode *new_inode = new_dentry->d_inode;
 	struct page *old_dir_page;
@@ -490,8 +483,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
 {
-	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
 	struct inode *inode;
 	int err;
 

fs/f2fs/node.c

@@ -845,7 +845,7 @@ void remove_inode_page(struct inode *inode)
 	truncate_node(&dn);
 }
 
-struct page *new_inode_page(struct inode *inode, const struct qstr *name)
+struct page *new_inode_page(struct inode *inode)
 {
 	struct dnode_of_data dn;