exofs: remove the second argument of k[un]map_atomic()

Ack-by: NBoaz Harrosh <bharrosh@panasas.com>
Signed-off-by: NCong Wang <amwang@redhat.com>

fs/exofs/dir.c

@@ -597,7 +597,7 @@ int exofs_make_empty(struct inode *inode, struct inode *parent)
 		goto fail;
 	}
 
-	kaddr = kmap_atomic(page, KM_USER0);
+	kaddr = kmap_atomic(page);
 	de = (struct exofs_dir_entry *)kaddr;
 	de->name_len = 1;
 	de->rec_len = cpu_to_le16(EXOFS_DIR_REC_LEN(1));
@@ -611,7 +611,7 @@ int exofs_make_empty(struct inode *inode, struct inode *parent)
 	de->inode_no = cpu_to_le64(parent->i_ino);
 	memcpy(de->name, PARENT_DIR, sizeof(PARENT_DIR));
 	exofs_set_de_type(de, inode);
-	kunmap_atomic(kaddr, KM_USER0);
+	kunmap_atomic(kaddr);
 	err = exofs_commit_chunk(page, 0, chunk_size);
 fail:
 	page_cache_release(page);