btrfs: make btrfs_next_leaf static inline

btrfs_next_leaf is a simple wrapper for btrfs_next_old_leaf so move it
to header to avoid the function call overhead.

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

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 63c0264..99b33a5 100644 (file)
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -4357,16 +4357,6 @@ next:
        return 1;
 }
 
-/*
- * search the tree again to find a leaf with greater keys
- * returns 0 if it found something or 1 if there are no greater leaves.
- * returns < 0 on io errors.
- */
-int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path)
-{
-       return btrfs_next_old_leaf(root, path, 0);
-}
-
 int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path,
                        u64 time_seq)
 {

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 194002f..3cccf0f 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2899,7 +2899,6 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans,
        return btrfs_insert_empty_items(trans, root, path, key, &data_size, 1);
 }
 
-int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
 int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
 int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path,
                        u64 time_seq);
@@ -2911,6 +2910,18 @@ static inline int btrfs_next_old_item(struct btrfs_root *root,
                return btrfs_next_old_leaf(root, p, time_seq);
        return 0;
 }
+
+/*
+ * Search the tree again to find a leaf with greater keys.
+ *
+ * Returns 0 if it found something or 1 if there are no greater leaves.
+ * Returns < 0 on error.
+ */
+static inline int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path)
+{
+       return btrfs_next_old_leaf(root, path, 0);
+}
+
 static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p)
 {
        return btrfs_next_old_item(root, p, 0);