btrfs: Remove delayed_iput parameter from btrfs_start_delalloc_inodes

It's always set to 0, so just remove it and collapse the constant value
to the only function we are passing it.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c2bb7c8..c6ff72a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -10255,7 +10255,7 @@ static int __start_delalloc_inodes(struct btrfs_root *root, int delay_iput,
 	return ret;
 }
 
-int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput)
+int btrfs_start_delalloc_inodes(struct btrfs_root *root)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	int ret;
@@ -10263,7 +10263,7 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput)
 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
 		return -EROFS;
 
-	ret = __start_delalloc_inodes(root, delay_iput, -1);
+	ret = __start_delalloc_inodes(root, 0, -1);
 	if (ret > 0)
 		ret = 0;
 	return ret;