[PATCH 3.13.y-ckt 079/121] NFSv4: Ensure that we call FREE_STATEID when NFSv4.x stateids are revoked

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3.13.11-ckt12 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

commit c606bb8857921d3ecf4d353942d6cc7e116cc75a upstream.

NFSv4.x (x>0) requires us to call TEST_STATEID+FREE_STATEID if a stateid is
revoked. We will currently fail to do this if the stateid is a delegation.

http://lkml.kernel.org/r/CAN-5tyHwG=Cn2Q9KsHWadewjpTTy_K26ee+UnSvHvG4192p-Xw@xxxxxxxxxxxxxx
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 fs/nfs/nfs4filelayout.c | 3 ---
 fs/nfs/nfs4proc.c       | 8 --------
 2 files changed, 11 deletions(-)

diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index b86464b..d5e4bd9 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -153,9 +153,6 @@ static int filelayout_async_handle_error(struct rpc_task *task,
 	case -NFS4ERR_DELEG_REVOKED:
 	case -NFS4ERR_ADMIN_REVOKED:
 	case -NFS4ERR_BAD_STATEID:
-		if (state == NULL)
-			break;
-		nfs_remove_bad_delegation(state->inode);
 	case -NFS4ERR_OPENMODE:
 		if (state == NULL)
 			break;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 322c416..cc27e1f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -360,11 +360,6 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
 		case -NFS4ERR_DELEG_REVOKED:
 		case -NFS4ERR_ADMIN_REVOKED:
 		case -NFS4ERR_BAD_STATEID:
-			if (inode != NULL && nfs4_have_delegation(inode, FMODE_READ)) {
-				nfs_remove_bad_delegation(inode);
-				exception->retry = 1;
-				break;
-			}
 			if (state == NULL)
 				break;
 			ret = nfs4_schedule_stateid_recovery(server, state);
@@ -4792,9 +4787,6 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
 		case -NFS4ERR_DELEG_REVOKED:
 		case -NFS4ERR_ADMIN_REVOKED:
 		case -NFS4ERR_BAD_STATEID:
-			if (state == NULL)
-				break;
-			nfs_remove_bad_delegation(state->inode);
 		case -NFS4ERR_OPENMODE:
 			if (state == NULL)
 				break;
-- 
1.9.1

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