Btrfs: qgroup: cleanup, remove an unsued parameter in btrfs_create_qgroup().

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index ca0736c..2e66d8e 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -4679,8 +4679,7 @@
 
 	/* FIXME: check if the IDs really exist */
 	if (sa->create) {
-		ret = btrfs_create_qgroup(trans, root->fs_info, sa->qgroupid,
-					  NULL);
+		ret = btrfs_create_qgroup(trans, root->fs_info, sa->qgroupid);
 	} else {
 		ret = btrfs_remove_qgroup(trans, root->fs_info, sa->qgroupid);
 	}
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 5c2aacc..de321c9 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1094,7 +1094,7 @@
 }
 
 int btrfs_create_qgroup(struct btrfs_trans_handle *trans,
-			struct btrfs_fs_info *fs_info, u64 qgroupid, char *name)
+			struct btrfs_fs_info *fs_info, u64 qgroupid)
 {
 	struct btrfs_root *quota_root;
 	struct btrfs_qgroup *qgroup;
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index 18cc68c..c5242aa 100644
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -70,8 +70,7 @@
 int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans,
 			      struct btrfs_fs_info *fs_info, u64 src, u64 dst);
 int btrfs_create_qgroup(struct btrfs_trans_handle *trans,
-			struct btrfs_fs_info *fs_info, u64 qgroupid,
-			char *name);
+			struct btrfs_fs_info *fs_info, u64 qgroupid);
 int btrfs_remove_qgroup(struct btrfs_trans_handle *trans,
 			      struct btrfs_fs_info *fs_info, u64 qgroupid);
 int btrfs_limit_qgroup(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c
index 73f299e..c32a7ba 100644
--- a/fs/btrfs/tests/qgroup-tests.c
+++ b/fs/btrfs/tests/qgroup-tests.c
@@ -232,7 +232,7 @@
 	init_dummy_trans(&trans);
 
 	test_msg("Qgroup basic add\n");
-	ret = btrfs_create_qgroup(NULL, fs_info, 5, NULL);
+	ret = btrfs_create_qgroup(NULL, fs_info, 5);
 	if (ret) {
 		test_msg("Couldn't create a qgroup %d\n", ret);
 		return ret;
@@ -301,7 +301,7 @@
 	test_msg("Qgroup multiple refs test\n");
 
 	/* We have 5 created already from the previous test */
-	ret = btrfs_create_qgroup(NULL, fs_info, 256, NULL);
+	ret = btrfs_create_qgroup(NULL, fs_info, 256);
 	if (ret) {
 		test_msg("Couldn't create a qgroup %d\n", ret);
 		return ret;