fs: icache RCU free inodes

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / hpfs / super.c

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 6c5f01597c3af07a21ec162b996437545c6e13af..49935ba78db8a1d4398f52d6f8da7e537754b4ef 100644 (file)
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -177,11 +177,18 @@ static struct inode *hpfs_alloc_inode(struct super_block *sb)
        return &ei->vfs_inode;
 }
 
-static void hpfs_destroy_inode(struct inode *inode)
+static void hpfs_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(hpfs_inode_cachep, hpfs_i(inode));
 }
 
+static void hpfs_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, hpfs_i_callback);
+}
+
 static void init_once(void *foo)
 {
        struct hpfs_inode_info *ei = (struct hpfs_inode_info *) foo;