Commit 584fb121 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: backref: rename and move backref_cache_init() 



Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e9a28dc5

fs/btrfs/backref.c

+17 −0
Original line number Diff line number Diff line
@@ -2465,3 +2465,20 @@ int btrfs_backref_iter_next(struct btrfs_backref_iter *iter) 
						path->slots[0]);

	return 0;

}



void btrfs_backref_init_cache(struct btrfs_fs_info *fs_info,

			      struct btrfs_backref_cache *cache, int is_reloc)

{

	int i;



	cache->rb_root = RB_ROOT;

	for (i = 0; i < BTRFS_MAX_LEVEL; i++)

		INIT_LIST_HEAD(&cache->pending[i]);

	INIT_LIST_HEAD(&cache->changed);

	INIT_LIST_HEAD(&cache->detached);

	INIT_LIST_HEAD(&cache->leaves);

	INIT_LIST_HEAD(&cache->pending_edge);

	INIT_LIST_HEAD(&cache->useless_node);

	cache->fs_info = fs_info;

	cache->is_reloc = is_reloc;

}

fs/btrfs/backref.h

+3 −0
Original line number Diff line number Diff line
@@ -268,4 +268,7 @@ struct btrfs_backref_cache { 
	unsigned int is_reloc;

};



void btrfs_backref_init_cache(struct btrfs_fs_info *fs_info,

			      struct btrfs_backref_cache *cache, int is_reloc);



#endif

fs/btrfs/relocation.c

+1 −17
Original line number Diff line number Diff line
@@ -178,22 +178,6 @@ static void mapping_tree_init(struct mapping_tree *tree) 
	spin_lock_init(&tree->lock);

}



static void backref_cache_init(struct btrfs_fs_info *fs_info,

			       struct btrfs_backref_cache *cache, int is_reloc)

{

	int i;

	cache->rb_root = RB_ROOT;

	for (i = 0; i < BTRFS_MAX_LEVEL; i++)

		INIT_LIST_HEAD(&cache->pending[i]);

	INIT_LIST_HEAD(&cache->changed);

	INIT_LIST_HEAD(&cache->detached);

	INIT_LIST_HEAD(&cache->leaves);

	INIT_LIST_HEAD(&cache->pending_edge);

	INIT_LIST_HEAD(&cache->useless_node);

	cache->fs_info = fs_info;

	cache->is_reloc = is_reloc;

}



static void backref_cache_cleanup(struct btrfs_backref_cache *cache)

{

	struct btrfs_backref_node *node;
@@ -4231,7 +4215,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info) 


	INIT_LIST_HEAD(&rc->reloc_roots);

	INIT_LIST_HEAD(&rc->dirty_subvol_roots);

	backref_cache_init(fs_info, &rc->backref_cache, 1);

	btrfs_backref_init_cache(fs_info, &rc->backref_cache, 1);

	mapping_tree_init(&rc->reloc_root_tree);

	extent_io_tree_init(fs_info, &rc->processed_blocks,

			    IO_TREE_RELOC_BLOCKS, NULL);