btrfs: backref: rename and move free_backref_(node|edge)

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 01c5595..0a1f296 100644 (file)
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -8,6 +8,7 @@
 
 #include <linux/btrfs.h>
 #include "ulist.h"
+#include "disk-io.h"
 #include "extent_io.h"
 
 struct inode_fs_paths {
@@ -291,4 +292,23 @@ static inline void btrfs_backref_link_edge(struct btrfs_backref_edge *edge,
                list_add_tail(&edge->list[UPPER], &upper->lower);
 }
 
+static inline void btrfs_backref_free_node(struct btrfs_backref_cache *cache,
+                                          struct btrfs_backref_node *node)
+{
+       if (node) {
+               cache->nr_nodes--;
+               btrfs_put_root(node->root);
+               kfree(node);
+       }
+}
+
+static inline void btrfs_backref_free_edge(struct btrfs_backref_cache *cache,
+                                          struct btrfs_backref_edge *edge)
+{
+       if (edge) {
+               cache->nr_edges--;
+               kfree(edge);
+       }
+}
+
 #endif

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index fd6a6e0..ec35348 100644 (file)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -208,26 +208,6 @@ static void backref_cache_cleanup(struct btrfs_backref_cache *cache)
        ASSERT(!cache->nr_edges);
 }
 
-static void free_backref_node(struct btrfs_backref_cache *cache,
-                             struct btrfs_backref_node *node)
-{
-       if (node) {
-               cache->nr_nodes--;
-               btrfs_put_root(node->root);
-               kfree(node);
-       }
-}
-
-
-static void free_backref_edge(struct btrfs_backref_cache *cache,
-                             struct btrfs_backref_edge *edge)
-{
-       if (edge) {
-               cache->nr_edges--;
-               kfree(edge);
-       }
-}
-
 static void backref_tree_panic(struct rb_node *rb_node, int errno, u64 bytenr)
 {
 
@@ -316,7 +296,7 @@ static void drop_backref_node(struct btrfs_backref_cache *tree,
        list_del(&node->lower);
        if (!RB_EMPTY_NODE(&node->rb_node))
                rb_erase(&node->rb_node, &tree->rb_root);
-       free_backref_node(tree, node);
+       btrfs_backref_free_node(tree, node);
 }
 
 /*
@@ -338,7 +318,7 @@ static void remove_backref_node(struct btrfs_backref_cache *cache,
                upper = edge->node[UPPER];
                list_del(&edge->list[LOWER]);
                list_del(&edge->list[UPPER]);
-               free_backref_edge(cache, edge);
+               btrfs_backref_free_edge(cache, edge);
 
                if (RB_EMPTY_NODE(&upper->rb_node)) {
                        BUG_ON(!list_empty(&node->upper));
@@ -565,7 +545,7 @@ static int handle_direct_tree_backref(struct btrfs_backref_cache *cache,
                upper = btrfs_backref_alloc_node(cache, ref_key->offset,
                                           cur->level + 1);
                if (!upper) {
-                       free_backref_edge(cache, edge);
+                       btrfs_backref_free_edge(cache, edge);
                        return -ENOMEM;
                }
 
@@ -686,7 +666,7 @@ static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache,
                                                         lower->level + 1);
                        if (!upper) {
                                btrfs_put_root(root);
-                               free_backref_edge(cache, edge);
+                               btrfs_backref_free_edge(cache, edge);
                                ret = -ENOMEM;
                                goto out;
                        }
@@ -915,7 +895,7 @@ static int finish_upper_links(struct btrfs_backref_cache *cache,
                /* Parent is detached, no need to keep any edges */
                if (upper->detached) {
                        list_del(&edge->list[LOWER]);
-                       free_backref_edge(cache, edge);
+                       btrfs_backref_free_edge(cache, edge);
 
                        /* Lower node is orphan, queue for cleanup */
                        if (list_empty(&lower->upper))
@@ -1024,7 +1004,7 @@ static bool handle_useless_nodes(struct reloc_control *rc,
                        list_del(&edge->list[UPPER]);
                        list_del(&edge->list[LOWER]);
                        lower = edge->node[LOWER];
-                       free_backref_edge(cache, edge);
+                       btrfs_backref_free_edge(cache, edge);
 
                        /* Child node is also orphan, queue for cleanup */
                        if (list_empty(&lower->upper))
@@ -1043,7 +1023,7 @@ static bool handle_useless_nodes(struct reloc_control *rc,
                        cur->detached = 1;
                } else {
                        rb_erase(&cur->rb_node, &cache->rb_root);
-                       free_backref_node(cache, cur);
+                       btrfs_backref_free_node(cache, cur);
                }
        }
        return ret;
@@ -1141,7 +1121,7 @@ out:
                        list_del(&edge->list[LOWER]);
                        lower = edge->node[LOWER];
                        upper = edge->node[UPPER];
-                       free_backref_edge(cache, edge);
+                       btrfs_backref_free_edge(cache, edge);
 
                        /*
                         * Lower is no longer linked to any upper backref nodes
@@ -1168,7 +1148,7 @@ out:
                        list_del_init(&lower->list);
                        if (lower == node)
                                node = NULL;
-                       free_backref_node(cache, lower);
+                       btrfs_backref_free_node(cache, lower);
                }
 
                remove_backref_node(cache, node);
@@ -1265,9 +1245,9 @@ fail:
                new_edge = list_entry(new_node->lower.next,
                                      struct btrfs_backref_edge, list[UPPER]);
                list_del(&new_edge->list[UPPER]);
-               free_backref_edge(cache, new_edge);
+               btrfs_backref_free_edge(cache, new_edge);
        }
-       free_backref_node(cache, new_node);
+       btrfs_backref_free_node(cache, new_node);
        return -ENOMEM;
 }