NFSv4: Handle expired stateids when the lease is still valid

[linux-flexiantxendom0-natty.git] / fs / nfs / nfs4proc.c

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b0b1a55..31c1ad7 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -51,7 +51,6 @@
 #include <linux/sunrpc/bc_xprt.h>
 #include <linux/xattr.h>
 #include <linux/utsname.h>
-#include <linux/mm.h>
 
 #include "nfs4_fs.h"
 #include "delegation.h"
@@ -259,9 +258,11 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
                                break;
                        nfs4_schedule_stateid_recovery(server, state);
                        goto wait_on_recovery;
+               case -NFS4ERR_EXPIRED:
+                       if (state != NULL)
+                               nfs4_schedule_stateid_recovery(server, state);
                case -NFS4ERR_STALE_STATEID:
                case -NFS4ERR_STALE_CLIENTID:
-               case -NFS4ERR_EXPIRED:
                        nfs4_schedule_lease_recovery(clp);
                        goto wait_on_recovery;
 #if defined(CONFIG_NFS_V4_1)
@@ -3505,9 +3506,11 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
                                break;
                        nfs4_schedule_stateid_recovery(server, state);
                        goto wait_on_recovery;
+               case -NFS4ERR_EXPIRED:
+                       if (state != NULL)
+                               nfs4_schedule_stateid_recovery(server, state);
                case -NFS4ERR_STALE_STATEID:
                case -NFS4ERR_STALE_CLIENTID:
-               case -NFS4ERR_EXPIRED:
                        nfs4_schedule_lease_recovery(clp);
                        goto wait_on_recovery;
 #if defined(CONFIG_NFS_V4_1)
@@ -4173,23 +4176,18 @@ static const struct rpc_call_ops nfs4_recover_lock_ops = {
 
 static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_state *lsp, int new_lock_owner, int error)
 {
-       struct nfs_client *clp = server->nfs_client;
-       struct nfs4_state *state = lsp->ls_state;
-
        switch (error) {
        case -NFS4ERR_ADMIN_REVOKED:
        case -NFS4ERR_BAD_STATEID:
-       case -NFS4ERR_EXPIRED:
+               lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
                if (new_lock_owner != 0 ||
                   (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0)
-                       nfs4_state_mark_reclaim_nograce(clp, state);
-               lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
+                       nfs4_schedule_stateid_recovery(server, lsp->ls_state);
                break;
        case -NFS4ERR_STALE_STATEID:
-               if (new_lock_owner != 0 ||
-                   (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0)
-                       nfs4_state_mark_reclaim_reboot(clp, state);
                lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
+       case -NFS4ERR_EXPIRED:
+               nfs4_schedule_lease_recovery(server->nfs_client);
        };
 }
 
@@ -4403,6 +4401,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
                        case -ESTALE:
                                goto out;
                        case -NFS4ERR_EXPIRED:
+                               nfs4_schedule_stateid_recovery(server, state);
                        case -NFS4ERR_STALE_CLIENTID:
                        case -NFS4ERR_STALE_STATEID:
                                nfs4_schedule_lease_recovery(server->nfs_client);