[RFC][PATCH 07/10] orangefs: Use RCU for destroy_inode

[Peter Zijlstra]

Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
---
 fs/orangefs/super.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inod
        return &orangefs_inode->vfs_inode;
 }
 
+static void orangefs_i_callback(struct rcu_head *head)
+{
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
+       kmem_cache_free(orangefs_inode_cache, orangefs_inode);
+}
+
 static void orangefs_destroy_inode(struct inode *inode)
 {
        struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
@@ -123,7 +130,7 @@ static void orangefs_destroy_inode(struc
                        "%s: deallocated %p destroying inode %pU\n",
                        __func__, orangefs_inode, get_khandle_from_ino(inode));
 
-       kmem_cache_free(orangefs_inode_cache, orangefs_inode);
+       call_rcu(&inode->i_rcu, orangefs_i_callback);
 }
 
 /*