btrfs: drop unused parameter is_new from btrfs_iget
The parameter is now always set to NULL and could be dropped. The last
user was get_default_root but that got reworked in 05dbe6837b60 ("Btrfs:
unify subvol= and subvolid= mounting") and the parameter became unused.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 25ce1b6..f9434fa 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -296,7 +296,7 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info,
key.objectid = defrag->ino;
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &key, inode_root, NULL);
+ inode = btrfs_iget(fs_info->sb, &key, inode_root);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
goto cleanup;