btrfs: backref: rename and move alloc_backref_edge() (47254d07) · Commits · 戴 / test

fs/btrfs/backref.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -2503,3 +2503,14 @@ struct btrfs_backref_node *btrfs_backref_alloc_node(

		return node;
		}

		struct btrfs_backref_edge *btrfs_backref_alloc_edge(
		struct btrfs_backref_cache *cache)
		{
		struct btrfs_backref_edge *edge;

		edge = kzalloc(sizeof(*edge), GFP_NOFS);
		if (edge)
		cache->nr_edges++;
		return edge;
		}

+2 −0

Original line number	Diff line number	Diff line
		@@ -272,5 +272,7 @@ void btrfs_backref_init_cache(struct btrfs_fs_info *fs_info,
		struct btrfs_backref_cache *cache, int is_reloc);
		struct btrfs_backref_node *btrfs_backref_alloc_node(
		struct btrfs_backref_cache *cache, u64 bytenr, int level);
		struct btrfs_backref_edge *btrfs_backref_alloc_edge(
		struct btrfs_backref_cache *cache);

		#endif

+3 −14

Original line number	Diff line number	Diff line
		@@ -218,17 +218,6 @@ static void free_backref_node(struct btrfs_backref_cache *cache,
		}
		}

		static struct btrfs_backref_edge *alloc_backref_edge(
		struct btrfs_backref_cache *cache)
		{
		struct btrfs_backref_edge *edge;

		edge = kzalloc(sizeof(*edge), GFP_NOFS);
		if (edge)
		cache->nr_edges++;
		return edge;
		}

		#define LINK_LOWER (1 << 0)
		#define LINK_UPPER (1 << 1)
		static void link_backref_edge(struct btrfs_backref_edge *edge,
		@@ -581,7 +570,7 @@ static int handle_direct_tree_backref(struct btrfs_backref_cache *cache,
		return 0;
		}

		edge = alloc_backref_edge(cache);
		edge = btrfs_backref_alloc_edge(cache);
		if (!edge)
		return -ENOMEM;

		@@ -698,7 +687,7 @@ static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache,
		break;
		}

		edge = alloc_backref_edge(cache);
		edge = btrfs_backref_alloc_edge(cache);
		if (!edge) {
		btrfs_put_root(root);
		ret = -ENOMEM;
		@@ -1263,7 +1252,7 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,

		if (!node->lowest) {
		list_for_each_entry(edge, &node->lower, list[UPPER]) {
		new_edge = alloc_backref_edge(cache);
		new_edge = btrfs_backref_alloc_edge(cache);
		if (!new_edge)
		goto fail;