fs: icache RCU free inodes

[mv-sheeva.git] / fs / nilfs2 / super.c

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index d36fc7ee615ff571753bf418e629a6bfd5ce4e79..e2dcc9c733f7f755ea43edd8f8dc7d4aa736d2a8 100644 (file)
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -162,10 +162,13 @@ struct inode *nilfs_alloc_inode(struct super_block *sb)
        return &ii->vfs_inode;
 }
 
-void nilfs_destroy_inode(struct inode *inode)
+static void nilfs_i_callback(struct rcu_head *head)
 {
+       struct inode *inode = container_of(head, struct inode, i_rcu);
        struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
 
+       INIT_LIST_HEAD(&inode->i_dentry);
+
        if (mdi) {
                kfree(mdi->mi_bgl); /* kfree(NULL) is safe */
                kfree(mdi);
@@ -173,6 +176,11 @@ void nilfs_destroy_inode(struct inode *inode)
        kmem_cache_free(nilfs_inode_cachep, NILFS_I(inode));
 }
 
+void nilfs_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, nilfs_i_callback);
+}
+
 static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag)
 {
        struct the_nilfs *nilfs = sbi->s_nilfs;