btrfs-progs: mark static & remove unused from shared kernel code

In files copied from the kernel, mark many functions as static,
and remove any resulting dead code.

Some functions are left unmarked if they aren't static in the
kernel tree.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 72 deletions

diff --git a/inode-item.c b/inode-item.c
index 28865f7c..8cc98c65 100644
--- a/inode-item.c
+++ b/inode-item.c
@@ -20,7 +20,7 @@
 #include "disk-io.h"
 #include "transaction.h"
 
-int find_name_in_backref(struct btrfs_path *path, const char * name,
+static int find_name_in_backref(struct btrfs_path *path, const char * name,
 			 int name_len, struct btrfs_inode_ref **ref_ret)
 {
 	struct extent_buffer *leaf;
@@ -49,60 +49,6 @@ int find_name_in_backref(struct btrfs_path *path, const char * name,
 	return 0;
 }
 
-int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
-			   struct btrfs_root *root,
-			   const char *name, int name_len,
-			   u64 inode_objectid, u64 ref_objectid)
-{
-	struct btrfs_path *path;
-	struct btrfs_key key;
-	struct btrfs_inode_ref *ref;
-	struct extent_buffer *leaf;
-	unsigned long ptr;
-	unsigned long item_start;
-	u32 item_size;
-	u32 sub_item_len;
-	int ret;
-	int del_len = name_len + sizeof(*ref);
-
-	key.objectid = inode_objectid;
-	key.offset = ref_objectid;
-	btrfs_set_key_type(&key, BTRFS_INODE_REF_KEY);
-
-	path = btrfs_alloc_path();
-	if (!path)
-		return -ENOMEM;
-
-	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
-	if (ret > 0) {
-		ret = -ENOENT;
-		goto out;
-	} else if (ret < 0) {
-		goto out;
-	}
-	if (!find_name_in_backref(path, name, name_len, &ref)) {
-		ret = -ENOENT;
-		goto out;
-	}
-	leaf = path->nodes[0];
-	item_size = btrfs_item_size_nr(leaf, path->slots[0]);
-	if (del_len == item_size) {
-		ret = btrfs_del_item(trans, root, path);
-		goto out;
-	}
-	ptr = (unsigned long)ref;
-	sub_item_len = name_len + sizeof(*ref);
-	item_start = btrfs_item_ptr_offset(leaf, path->slots[0]);
-	memmove_extent_buffer(leaf, ptr, ptr + sub_item_len,
-			      item_size - (ptr + sub_item_len - item_start));
-	ret = btrfs_truncate_item(trans, root, path,
-				  item_size - sub_item_len, 1);
-	BUG_ON(ret);
-out:
-	btrfs_free_path(path);
-	return ret;
-}
-
 int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
 			   struct btrfs_root *root,
 			   const char *name, int name_len,
@@ -158,23 +104,6 @@ out:
 	return ret;
 }
 
-int btrfs_insert_empty_inode(struct btrfs_trans_handle *trans,
-			     struct btrfs_root *root,
-			     struct btrfs_path *path, u64 objectid)
-{
-	struct btrfs_key key;
-	int ret;
-	key.objectid = objectid;
-	btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
-	key.offset = 0;
-
-	ret = btrfs_insert_empty_item(trans, root, path, &key,
-				      sizeof(struct btrfs_inode_item));
-	if (ret == 0 && objectid > root->highest_inode)
-		root->highest_inode = objectid;
-	return ret;
-}
-
 int btrfs_lookup_inode(struct btrfs_trans_handle *trans, struct btrfs_root
 		       *root, struct btrfs_path *path,
 		       struct btrfs_key *location, int mod)