ext4: remove unused variable

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>

fs/ext4/dir.c

@@ -628,7 +628,7 @@ int ext4_check_all_de(struct inode *dir, struct buffer_head *bh, void *buf,
 		      int buf_size)
 {
 	struct ext4_dir_entry_2 *de;
-	int nlen, rlen;
+	int rlen;
 	unsigned int offset = 0;
 	char *top;
 
@@ -638,7 +638,6 @@ int ext4_check_all_de(struct inode *dir, struct buffer_head *bh, void *buf,
 		if (ext4_check_dir_entry(dir, NULL, de, bh,
 					 buf, buf_size, offset))
 			return -EFSCORRUPTED;
-		nlen = EXT4_DIR_REC_LEN(de->name_len);
 		rlen = ext4_rec_len_from_disk(de->rec_len, buf_size);
 		de = (struct ext4_dir_entry_2 *)((char *)de + rlen);
 		offset += rlen;

fs/ext4/page-io.c

@@ -405,14 +405,12 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
 {
 	struct page *data_page = NULL;
 	struct inode *inode = page->mapping->host;
-	unsigned block_start, blocksize;
+	unsigned block_start;
 	struct buffer_head *bh, *head;
 	int ret = 0;
 	int nr_submitted = 0;
 	int nr_to_submit = 0;
 
-	blocksize = 1 << inode->i_blkbits;
-
 	BUG_ON(!PageLocked(page));
 	BUG_ON(PageWriteback(page));