Merge tag 'nfs-for-3.14-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

   - stable fix for an infinite loop in RPC state machine
   - stable fix for a use after free situation in the NFSv4 trunking discovery
   - stable fix for error handling in the NFSv4 trunking discovery
   - stable fix for the page write update code
   - stable fix for the NFSv4.1 mount time security negotiation
   - stable fix for the NFSv4 open code.
   - O_DIRECT locking fixes
   - fix an Oops in the pnfs file commit code
   - RPC layer needs finer grained handling of connection errors
   - more RPC GSS upcall fixes"

* tag 'nfs-for-3.14-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (30 commits)
  pnfs: Proper delay for NFS4ERR_RECALLCONFLICT in layout_get_done
  pnfs: fix BUG in filelayout_recover_commit_reqs
  nfs4: fix discover_server_trunking use after free
  NFSv4.1: Handle errors correctly in nfs41_walk_client_list
  nfs: always make sure page is up-to-date before extending a write to cover the entire page
  nfs: page cache invalidation for dio
  nfs: take i_mutex during direct I/O reads
  nfs: merge nfs_direct_write into nfs_file_direct_write
  nfs: merge nfs_direct_read into nfs_file_direct_read
  nfs: increment i_dio_count for reads, too
  nfs: defer inode_dio_done call until size update is done
  nfs: fix size updates for aio writes
  nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME
  NFSv4.1: Fix a race in nfs4_write_inode
  NFSv4.1: Don't trust attributes if a pNFS LAYOUTCOMMIT is outstanding
  point to the right include file in a comment (left over from a9004abc3)
  NFS: dprintk() should not print negative fileids and inode numbers
  nfs: fix dead code of ipv6_addr_scope
  sunrpc: Fix infinite loop in RPC state machine
  SUNRPC: Add tracepoint for socket errors
  ...

1 files changed, 12 insertions, 3 deletions

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f09b7db2c49..0edada97343 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1529,9 +1529,13 @@ call_refreshresult(struct rpc_task *task)
 	task->tk_action = call_refresh;
 	switch (status) {
 	case 0:
-		if (rpcauth_uptodatecred(task))
+		if (rpcauth_uptodatecred(task)) {
 			task->tk_action = call_allocate;
-		return;
+			return;
+		}
+		/* Use rate-limiting and a max number of retries if refresh
+		 * had status 0 but failed to update the cred.
+		 */
 	case -ETIMEDOUT:
 		rpc_delay(task, 3*HZ);
 	case -EAGAIN:
@@ -1729,6 +1733,7 @@ call_bind_status(struct rpc_task *task)
 		return;
 	case -ECONNREFUSED:		/* connection problems */
 	case -ECONNRESET:
+	case -ECONNABORTED:
 	case -ENOTCONN:
 	case -EHOSTDOWN:
 	case -EHOSTUNREACH:
@@ -1799,7 +1804,9 @@ call_connect_status(struct rpc_task *task)
 		return;
 	case -ECONNREFUSED:
 	case -ECONNRESET:
+	case -ECONNABORTED:
 	case -ENETUNREACH:
+	case -EHOSTUNREACH:
 		/* retry with existing socket, after a delay */
 		rpc_delay(task, 3*HZ);
 		if (RPC_IS_SOFTCONN(task))
@@ -1902,6 +1909,7 @@ call_transmit_status(struct rpc_task *task)
 			break;
 		}
 	case -ECONNRESET:
+	case -ECONNABORTED:
 	case -ENOTCONN:
 	case -EPIPE:
 		rpc_task_force_reencode(task);
@@ -2011,8 +2019,9 @@ call_status(struct rpc_task *task)
 			xprt_conditional_disconnect(req->rq_xprt,
 					req->rq_connect_cookie);
 		break;
-	case -ECONNRESET:
 	case -ECONNREFUSED:
+	case -ECONNRESET:
+	case -ECONNABORTED:
 		rpc_force_rebind(clnt);
 		rpc_delay(task, 3*HZ);
 	case -EPIPE: