fs: icache RCU free inodes

[firefly-linux-kernel-4.4.55.git] / fs / ceph / inode.c

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 2a48cafc174b912f2f032b013b50af1d55d10a3c..47f8c8baf3b5f500b7bf90b1ce7fd5efc6cfad72 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -368,6 +368,15 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
        return &ci->vfs_inode;
 }
 
+static void ceph_i_callback(struct rcu_head *head)
+{
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       struct ceph_inode_info *ci = ceph_inode(inode);
+
+       INIT_LIST_HEAD(&inode->i_dentry);
+       kmem_cache_free(ceph_inode_cachep, ci);
+}
+
 void ceph_destroy_inode(struct inode *inode)
 {
        struct ceph_inode_info *ci = ceph_inode(inode);
@@ -407,7 +416,7 @@ void ceph_destroy_inode(struct inode *inode)
        if (ci->i_xattrs.prealloc_blob)
                ceph_buffer_put(ci->i_xattrs.prealloc_blob);
 
-       kmem_cache_free(ceph_inode_cachep, ci);
+       call_rcu(&inode->i_rcu, ceph_i_callback);
 }