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Commit e69bcee3 authored by Qu Wenruo's avatar Qu Wenruo Committed by Chris Mason
Browse files

btrfs: qgroup: Cleanup the old ref_node-oriented mechanism. 



Goodbye, the old mechanisim.

Signed-off-by: default avatarQu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 442244c9

fs/btrfs/ctree.h

+1 −1
Original line number Diff line number Diff line
@@ -1736,7 +1736,7 @@ struct btrfs_fs_info { 
	/* list of dirty qgroups to be written at next commit */

	struct list_head dirty_qgroups;



	/* used by btrfs_qgroup_record_ref for an efficient tree traversal */

	/* used by qgroup for an efficient tree traversal */

	u64 qgroup_seq;



	/* qgroup rescan items */

fs/btrfs/extent-tree.c

+0 −5
Original line number Diff line number Diff line
@@ -1981,7 +1981,6 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, 
	u64 refs;

	int ret;

	int no_quota = node->no_quota;

	enum btrfs_qgroup_operation_type type = BTRFS_QGROUP_OPER_ADD_EXCL;



	path = btrfs_alloc_path();

	if (!path)
@@ -2009,8 +2008,6 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, 
	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);

	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);

	refs = btrfs_extent_refs(leaf, item);

	if (refs)

		type = BTRFS_QGROUP_OPER_ADD_SHARED;

	btrfs_set_extent_refs(leaf, item, refs + refs_to_add);

	if (extent_op)

		__run_delayed_extent_op(extent_op, leaf, item);
@@ -6112,7 +6109,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, 
	u64 bytenr = node->bytenr;

	u64 num_bytes = node->num_bytes;

	int last_ref = 0;

	enum btrfs_qgroup_operation_type type = BTRFS_QGROUP_OPER_SUB_EXCL;

	bool skinny_metadata = btrfs_fs_incompat(root->fs_info,

						 SKINNY_METADATA);
@@ -6293,7 +6289,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, 
	refs -= refs_to_drop;



	if (refs > 0) {

		type = BTRFS_QGROUP_OPER_SUB_SHARED;

		if (extent_op)

			__run_delayed_extent_op(extent_op, leaf, ei);

		/*