btrfs: rename btrfs_clean_tree_block to btrfs_clear_buffer_dirty

btrfs_clean_tree_block is a misnomer, it's just
clear_extent_buffer_dirty with some extra accounting around it.  Rename
this to btrfs_clear_buffer_dirty to make it more clear it belongs with
it's setter, btrfs_mark_buffer_dirty.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/ctree.c

@@ -484,7 +484,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
 			if (ret)
 				return ret;
 		}
-		btrfs_clean_tree_block(trans, buf);
+		btrfs_clear_buffer_dirty(trans, buf);
 		*last_ref = 1;
 	}
 	return 0;
@@ -1054,7 +1054,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 
 		path->locks[level] = 0;
 		path->nodes[level] = NULL;
-		btrfs_clean_tree_block(trans, mid);
+		btrfs_clear_buffer_dirty(trans, mid);
 		btrfs_tree_unlock(mid);
 		/* once for the path */
 		free_extent_buffer(mid);
@@ -1115,7 +1115,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 		if (wret < 0 && wret != -ENOSPC)
 			ret = wret;
 		if (btrfs_header_nritems(right) == 0) {
-			btrfs_clean_tree_block(trans, right);
+			btrfs_clear_buffer_dirty(trans, right);
 			btrfs_tree_unlock(right);
 			del_ptr(root, path, level + 1, pslot + 1);
 			root_sub_used(root, right->len);
@@ -1161,7 +1161,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 		BUG_ON(wret == 1);
 	}
 	if (btrfs_header_nritems(mid) == 0) {
-		btrfs_clean_tree_block(trans, mid);
+		btrfs_clear_buffer_dirty(trans, mid);
 		btrfs_tree_unlock(mid);
 		del_ptr(root, path, level + 1, pslot);
 		root_sub_used(root, mid->len);
@@ -3140,7 +3140,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
 	if (left_nritems)
 		btrfs_mark_buffer_dirty(left);
 	else
-		btrfs_clean_tree_block(trans, left);
+		btrfs_clear_buffer_dirty(trans, left);
 
 	btrfs_mark_buffer_dirty(right);
 
@@ -3152,7 +3152,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
 	if (path->slots[0] >= left_nritems) {
 		path->slots[0] -= left_nritems;
 		if (btrfs_header_nritems(path->nodes[0]) == 0)
-			btrfs_clean_tree_block(trans, path->nodes[0]);
+			btrfs_clear_buffer_dirty(trans, path->nodes[0]);
 		btrfs_tree_unlock(path->nodes[0]);
 		free_extent_buffer(path->nodes[0]);
 		path->nodes[0] = right;
@@ -3365,7 +3365,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
 	if (right_nritems)
 		btrfs_mark_buffer_dirty(right);
 	else
-		btrfs_clean_tree_block(trans, right);
+		btrfs_clear_buffer_dirty(trans, right);
 
 	btrfs_item_key(right, &disk_key, 0);
 	fixup_low_keys(path, &disk_key, 1);
@@ -4401,7 +4401,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 		if (leaf == root->node) {
 			btrfs_set_header_level(leaf, 0);
 		} else {
-			btrfs_clean_tree_block(trans, leaf);
+			btrfs_clear_buffer_dirty(trans, leaf);
 			btrfs_del_leaf(trans, root, path, leaf);
 		}
 	} else {

fs/btrfs/disk-io.c

@@ -868,8 +868,8 @@ struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
 
 }
 
-void btrfs_clean_tree_block(struct btrfs_trans_handle *trans,
-			    struct extent_buffer *buf)
+void btrfs_clear_buffer_dirty(struct btrfs_trans_handle *trans,
+			      struct extent_buffer *buf)
 {
 	struct btrfs_fs_info *fs_info = buf->fs_info;
 	if (!trans || btrfs_header_generation(buf) == trans->transid) {
@@ -4998,7 +4998,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info,
 
 			btrfs_tree_lock(eb);
 			wait_on_extent_buffer_writeback(eb);
-			btrfs_clean_tree_block(NULL, eb);
+			btrfs_clear_buffer_dirty(NULL, eb);
 			btrfs_tree_unlock(eb);
 
 			free_extent_buffer_stale(eb);

fs/btrfs/disk-io.h

@@ -39,8 +39,8 @@ struct extent_buffer *btrfs_find_create_tree_block(
 						struct btrfs_fs_info *fs_info,
 						u64 bytenr, u64 owner_root,
 						int level);
-void btrfs_clean_tree_block(struct btrfs_trans_handle *trans,
-			    struct extent_buffer *buf);
+void btrfs_clear_buffer_dirty(struct btrfs_trans_handle *trans,
+			      struct extent_buffer *buf);
 void btrfs_clear_oneshot_options(struct btrfs_fs_info *fs_info);
 int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info);
 int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,

fs/btrfs/extent-tree.c

@@ -4838,7 +4838,7 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 	btrfs_set_buffer_lockdep_class(lockdep_owner, buf, level);
 
 	__btrfs_tree_lock(buf, nest);
-	btrfs_clean_tree_block(trans, buf);
+	btrfs_clear_buffer_dirty(trans, buf);
 	clear_bit(EXTENT_BUFFER_STALE, &buf->bflags);
 	clear_bit(EXTENT_BUFFER_NO_CHECK, &buf->bflags);
 
@@ -5468,12 +5468,12 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
 				}
 			}
 		}
-		/* make block locked assertion in btrfs_clean_tree_block happy */
+		/* Make block locked assertion in btrfs_clear_buffer_dirty happy. */
 		if (!path->locks[level]) {
 			btrfs_tree_lock(eb);
 			path->locks[level] = BTRFS_WRITE_LOCK;
 		}
-		btrfs_clean_tree_block(trans, eb);
+		btrfs_clear_buffer_dirty(trans, eb);
 	}
 
 	if (eb == root->node) {

fs/btrfs/free-space-tree.c

@@ -1283,7 +1283,7 @@ int btrfs_clear_free_space_tree(struct btrfs_fs_info *fs_info)
 	list_del(&free_space_root->dirty_list);
 
 	btrfs_tree_lock(free_space_root->node);
-	btrfs_clean_tree_block(trans, free_space_root->node);
+	btrfs_clear_buffer_dirty(trans, free_space_root->node);
 	btrfs_tree_unlock(free_space_root->node);
 	btrfs_free_tree_block(trans, btrfs_root_id(free_space_root),
 			      free_space_root->node, 0, 1);

fs/btrfs/ioctl.c

@@ -707,7 +707,7 @@ static noinline int create_subvol(struct user_namespace *mnt_userns,
 		 * exists).
 		 */
 		btrfs_tree_lock(leaf);
-		btrfs_clean_tree_block(trans, leaf);
+		btrfs_clear_buffer_dirty(trans, leaf);
 		btrfs_tree_unlock(leaf);
 		btrfs_free_tree_block(trans, objectid, leaf, 0, 1);
 		free_extent_buffer(leaf);

fs/btrfs/qgroup.c

@@ -1304,7 +1304,7 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info)
 	list_del(&quota_root->dirty_list);
 
 	btrfs_tree_lock(quota_root->node);
-	btrfs_clean_tree_block(trans, quota_root->node);
+	btrfs_clear_buffer_dirty(trans, quota_root->node);
 	btrfs_tree_unlock(quota_root->node);
 	btrfs_free_tree_block(trans, btrfs_root_id(quota_root),
 			      quota_root->node, 0, 1);

fs/btrfs/tree-log.c

@@ -2624,7 +2624,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
 				}
 
 				btrfs_tree_lock(next);
-				btrfs_clean_tree_block(trans, next);
+				btrfs_clear_buffer_dirty(trans, next);
 				btrfs_wait_tree_block_writeback(next);
 				btrfs_tree_unlock(next);
 
@@ -2693,7 +2693,7 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
 				next = path->nodes[*level];
 
 				btrfs_tree_lock(next);
-				btrfs_clean_tree_block(trans, next);
+				btrfs_clear_buffer_dirty(trans, next);
 				btrfs_wait_tree_block_writeback(next);
 				btrfs_tree_unlock(next);
 
@@ -2774,7 +2774,7 @@ static int walk_log_tree(struct btrfs_trans_handle *trans,
 			next = path->nodes[orig_level];
 
 			btrfs_tree_lock(next);
-			btrfs_clean_tree_block(trans, next);
+			btrfs_clear_buffer_dirty(trans, next);
 			btrfs_wait_tree_block_writeback(next);
 			btrfs_tree_unlock(next);