Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (82 commits)
  NFSv4: Remove BKL from the nfsv4 state recovery
  SUNRPC: Remove the BKL from the callback functions
  NFS: Remove BKL from the readdir code
  NFS: Remove BKL from the symlink code
  NFS: Remove BKL from the sillydelete operations
  NFS: Remove the BKL from the rename, rmdir and unlink operations
  NFS: Remove BKL from NFS lookup code
  NFS: Remove the BKL from nfs_link()
  NFS: Remove the BKL from the inode creation operations
  NFS: Remove BKL usage from open()
  NFS: Remove BKL usage from the write path
  NFS: Remove the BKL from the permission checking code
  NFS: Remove attribute update related BKL references
  NFS: Remove BKL requirement from attribute updates
  NFS: Protect inode->i_nlink updates using inode->i_lock
  nfs: set correct fl_len in nlmclnt_test()
  SUNRPC: Support registering IPv6 interfaces with local rpcbind daemon
  SUNRPC: Refactor rpcb_register to make rpcbindv4 support easier
  SUNRPC: None of rpcb_create's callers wants a privileged source port
  SUNRPC: Introduce a specific rpcb_create for contacting localhost
  ...

1 files changed, 6 insertions, 17 deletions

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 6eab9bf94baf..385f427bedad 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -576,9 +576,7 @@ EXPORT_SYMBOL_GPL(rpc_delay);
  */
 static void rpc_prepare_task(struct rpc_task *task)
 {
-	lock_kernel();
 	task->tk_ops->rpc_call_prepare(task, task->tk_calldata);
-	unlock_kernel();
 }
 
 /*
@@ -588,9 +586,7 @@ void rpc_exit_task(struct rpc_task *task)
 {
 	task->tk_action = NULL;
 	if (task->tk_ops->rpc_call_done != NULL) {
-		lock_kernel();
 		task->tk_ops->rpc_call_done(task, task->tk_calldata);
-		unlock_kernel();
 		if (task->tk_action != NULL) {
 			WARN_ON(RPC_ASSASSINATED(task));
 			/* Always release the RPC slot and buffer memory */
@@ -602,11 +598,8 @@ EXPORT_SYMBOL_GPL(rpc_exit_task);
 
 void rpc_release_calldata(const struct rpc_call_ops *ops, void *calldata)
 {
-	if (ops->rpc_release != NULL) {
-		lock_kernel();
+	if (ops->rpc_release != NULL)
 		ops->rpc_release(calldata);
-		unlock_kernel();
-	}
 }
 
 /*
@@ -626,19 +619,15 @@ static void __rpc_execute(struct rpc_task *task)
 		/*
 		 * Execute any pending callback.
 		 */
-		if (RPC_DO_CALLBACK(task)) {
-			/* Define a callback save pointer */
+		if (task->tk_callback) {
 			void (*save_callback)(struct rpc_task *);
 
 			/*
-			 * If a callback exists, save it, reset it,
-			 * call it.
-			 * The save is needed to stop from resetting
-			 * another callback set within the callback handler
-			 * - Dave
+			 * We set tk_callback to NULL before calling it,
+			 * in case it sets the tk_callback field itself:
 			 */
-			save_callback=task->tk_callback;
-			task->tk_callback=NULL;
+			save_callback = task->tk_callback;
+			task->tk_callback = NULL;
 			save_callback(task);
 		}