From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Sun, 27 May 2012 16:53:10 +0000 (-0400)
Subject: NFSv4.1: Handle errors in nfs4_bind_conn_to_session
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bf674c8228710fa4149df3988862dc112860df99;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

NFSv4.1: Handle errors in nfs4_bind_conn_to_session

Ensure that we handle NFS4ERR_DELAY errors separately, and then
let nfs4_recovery_handle_error() handle all other cases.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index d21ed0309601..d685fd4294fb 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1788,7 +1788,17 @@ static int nfs4_bind_conn_to_session(struct nfs_client *clp)
 	if (cred)
 		put_rpccred(cred);
 	clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
-	return ret;
+	switch (ret) {
+	case 0:
+		break;
+	case -NFS4ERR_DELAY:
+		ssleep(1);
+		set_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
+		break;
+	default:
+		return nfs4_recovery_handle_error(clp, ret);
+	}
+	return 0;
 }
 #else /* CONFIG_NFS_V4_1 */
 static int nfs4_reset_session(struct nfs_client *clp) { return 0; }
@@ -1858,6 +1868,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
 			status = nfs4_bind_conn_to_session(clp);
 			if (status < 0)
 				goto out_error;
+			continue;
 		}
 
 		/* First recover reboot state... */