btrfs: cleanup, remove inode_item_info helper

It's only a simple wrapper around btrfs_find_item, the locally defined
key is not used.

Signed-off-by: David Sterba <dsterba@suse.cz>
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 8729cf6..6fdf82b 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1246,17 +1246,6 @@
 	return ret;
 }
 
-/*
- * this makes the path point to (inum INODE_ITEM ioff)
- */
-int inode_item_info(u64 inum, u64 ioff, struct btrfs_root *fs_root,
-			struct btrfs_path *path)
-{
-	struct btrfs_key key;
-	return btrfs_find_item(fs_root, path, inum, ioff,
-			BTRFS_INODE_ITEM_KEY, &key);
-}
-
 static int inode_ref_info(u64 inum, u64 ioff, struct btrfs_root *fs_root,
 				struct btrfs_path *path,
 				struct btrfs_key *found_key)
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 2a1ac6b..9c41fba 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -32,9 +32,6 @@
 typedef int (iterate_extent_inodes_t)(u64 inum, u64 offset, u64 root,
 		void *ctx);
 
-int inode_item_info(u64 inum, u64 ioff, struct btrfs_root *fs_root,
-			struct btrfs_path *path);
-
 int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical,
 			struct btrfs_path *path, struct btrfs_key *found_key,
 			u64 *flags);
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 9e1569f..4846f66 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -530,7 +530,11 @@
 		goto err;
 	}
 
-	ret = inode_item_info(inum, 0, local_root, swarn->path);
+	/*
+	 * this makes the path point to (inum INODE_ITEM ioff)
+	 */
+	ret = btrfs_find_item(local_root, swarn->path, inum, 0,
+			BTRFS_INODE_ITEM_KEY, NULL);
 	if (ret) {
 		btrfs_release_path(swarn->path);
 		goto err;