NFSv4: Convert open state lookup to use RCU

Further reduce contention on the inode->i_lock. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-02 19:15:15 -04:00
parent 0de43976fb
commit 9ae075fdd1
2 changed files with 7 additions and 6 deletions
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -191,6 +191,7 @@ struct nfs4_state {
 	atomic_t count;

 	wait_queue_head_t waitq;
+	struct rcu_head rcu_head;
 };