fs: icache RCU free inodes

[firefly-linux-kernel-4.4.55.git] / drivers / staging / smbfs / inode.c

diff --git a/drivers/staging/smbfs/inode.c b/drivers/staging/smbfs/inode.c
index 540a984bb5160d5942902575803c6c79b087d507..244319dc970275d41f7d17f8e0c9b1c5cd790a9b 100644 (file)
--- a/drivers/staging/smbfs/inode.c
+++ b/drivers/staging/smbfs/inode.c
@@ -62,11 +62,18 @@ static struct inode *smb_alloc_inode(struct super_block *sb)
        return &ei->vfs_inode;
 }
 
-static void smb_destroy_inode(struct inode *inode)
+static void smb_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(smb_inode_cachep, SMB_I(inode));
 }
 
+static void smb_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, smb_i_callback);
+}
+
 static void init_once(void *foo)
 {
        struct smb_inode_info *ei = (struct smb_inode_info *) foo;