From a315571b05c3f38446ff9bce87653f21f731d68a Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Tue, 10 Sep 2013 23:45:45 +0400
Subject: [PATCH] Use d_alloc_root() instead of d_make_root() in linux kernel <
 3.3

d_alloc_root() is gone in 32991ab305ace7017c62f8eecbe5eb36dc32e13b.

Link: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32991ab305ace7017c62f8eecbe5eb36dc32e13b
---
 simple.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/simple.c b/simple.c
index 01c4da5..5c3231f 100644
--- a/simple.c
+++ b/simple.c
@@ -714,7 +714,14 @@ int simplefs_fill_super(struct super_block *sb, void *data, int silent)
 	root_inode->i_private =
 	    simplefs_get_inode(sb, SIMPLEFS_ROOTDIR_INODE_NUMBER);
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)
 	sb->s_root = d_make_root(root_inode);
+#else
+	sb->s_root = d_alloc_root(root_inode);
+	if (!sb->s_root)
+		iput(root_inode);
+#endif
+
 	if (!sb->s_root)
 		return -ENOMEM;