[PATCH] hugetlbfs: simplify destroying inode

[Hillf Danton]

Just before reclaimed by the hugetlbfs inode cache, little difference
could be made by initializing the list head of the dentry member of
vfs inode, thus the operation of initialization could be removed to
simplify the destroy of hugetlbfs inode.

Signed-off-by: Hillf Danton <gmail.com>
---

--- a/fs/hugetlbfs/inode.c	2011-03-30 03:09:48.000000000 +0800
+++ b/fs/hugetlbfs/inode.c	2011-04-04 11:27:30.000000000 +0800
@@ -665,7 +665,6 @@ static struct inode *hugetlbfs_alloc_ino
 static void hugetlbfs_i_callback(struct rcu_head *head)
 {
 	struct inode *inode = container_of(head, struct inode, i_rcu);
-	INIT_LIST_HEAD(&inode->i_dentry);
 	kmem_cache_free(hugetlbfs_inode_cachep, HUGETLBFS_I(inode));
 }
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