fs: icache RCU free inodes

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

diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 0669fc1cc3bf25b69121cb2c34cd216e1a7a9966..b715b0f7bdfd7ae2dec86eab4112d987914310db 100644 (file)
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -115,6 +115,14 @@ static struct inode *jfs_alloc_inode(struct super_block *sb)
        return &jfs_inode->vfs_inode;
 }
 
+static void jfs_i_callback(struct rcu_head *head)
+{
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       struct jfs_inode_info *ji = JFS_IP(inode);
+       INIT_LIST_HEAD(&inode->i_dentry);
+       kmem_cache_free(jfs_inode_cachep, ji);
+}
+
 static void jfs_destroy_inode(struct inode *inode)
 {
        struct jfs_inode_info *ji = JFS_IP(inode);
@@ -128,7 +136,7 @@ static void jfs_destroy_inode(struct inode *inode)
                ji->active_ag = -1;
        }
        spin_unlock_irq(&ji->ag_lock);
-       kmem_cache_free(jfs_inode_cachep, ji);
+       call_rcu(&inode->i_rcu, jfs_i_callback);
 }
 
 static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)