btrfs: make functions static when possible

[cascardo/linux.git] / fs / btrfs / free-space-cache.c

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 11d2e9c..d06abe2 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1455,8 +1455,8 @@ out:
        return ret;
 }
 
-bool try_merge_free_space(struct btrfs_block_group_cache *block_group,
-                         struct btrfs_free_space *info, bool update_stat)
+static bool try_merge_free_space(struct btrfs_block_group_cache *block_group,
+                                struct btrfs_free_space *info, bool update_stat)
 {
        struct btrfs_free_space *left_info;
        struct btrfs_free_space *right_info;
@@ -1768,10 +1768,13 @@ void btrfs_remove_free_space_cache(struct btrfs_block_group_cache *block_group)
 
        while ((node = rb_last(&block_group->free_space_offset)) != NULL) {
                info = rb_entry(node, struct btrfs_free_space, offset_index);
-               unlink_free_space(block_group, info);
-               if (info->bitmap)
-                       kfree(info->bitmap);
-               kmem_cache_free(btrfs_free_space_cachep, info);
+               if (!info->bitmap) {
+                       unlink_free_space(block_group, info);
+                       kmem_cache_free(btrfs_free_space_cachep, info);
+               } else {
+                       free_bitmap(block_group, info);
+               }
+
                if (need_resched()) {
                        spin_unlock(&block_group->tree_lock);
                        cond_resched();
@@ -1907,8 +1910,6 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
        while(1) {
                if (entry->bytes < bytes ||
                    (!entry->bitmap && entry->offset < min_start)) {
-                       struct rb_node *node;
-
                        node = rb_next(&entry->offset_index);
                        if (!node)
                                break;
@@ -1922,7 +1923,6 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
                                                      cluster, entry, bytes,
                                                      min_start);
                        if (ret == 0) {
-                               struct rb_node *node;
                                node = rb_next(&entry->offset_index);
                                if (!node)
                                        break;
@@ -2301,7 +2301,7 @@ int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group,
                        start = entry->offset;
                        bytes = min(entry->bytes, end - start);
                        unlink_free_space(block_group, entry);
-                       kfree(entry);
+                       kmem_cache_free(btrfs_free_space_cachep, entry);
                }
 
                spin_unlock(&block_group->tree_lock);