diff mbox series

[v2,18/39] btrfs: Rename backref_cache_init() to btrfs_backref_cache_init() and move it to backref.c

Message ID 20200326083316.48847-19-wqu@suse.com (mailing list archive)
State New, archived
Headers show
Series btrfs: qgroup: Use backref cache based backref walk for commit roots | expand

Commit Message

Qu Wenruo March 26, 2020, 8:32 a.m. UTC 
Signed-off-by: Qu Wenruo <wqu@suse.com>
---
 fs/btrfs/backref.c    | 17 +++++++++++++++++
 fs/btrfs/backref.h    |  2 ++
 fs/btrfs/relocation.c | 18 +-----------------
 3 files changed, 20 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index a1044f093f6c..997f609c97f8 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -2463,3 +2463,20 @@  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;
+}
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index f3eae9e9f84b..25a0b1a5ce32 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -272,4 +272,6 @@  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
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index d62537792ac0..1fa7c4a67f3d 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -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;
@@ -4215,7 +4199,7 @@  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);