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-rw-r--r--fs/nfs/nfs4state.c57
1 files changed, 45 insertions, 12 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2931c46c4127..6c5ed51f105e 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1255,26 +1255,59 @@ void nfs41_handle_recall_slot(struct nfs_client *clp)
nfs4_schedule_state_recovery(clp);
}
+static void nfs4_reset_all_state(struct nfs_client *clp)
+{
+ if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
+ clp->cl_boot_time = CURRENT_TIME;
+ nfs4_state_start_reclaim_nograce(clp);
+ nfs4_schedule_state_recovery(clp);
+ }
+}
+
+static void nfs41_handle_server_reboot(struct nfs_client *clp)
+{
+ if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
+ nfs4_state_start_reclaim_reboot(clp);
+ nfs4_schedule_state_recovery(clp);
+ }
+}
+
+static void nfs41_handle_state_revoked(struct nfs_client *clp)
+{
+ /* Temporary */
+ nfs4_reset_all_state(clp);
+}
+
+static void nfs41_handle_recallable_state_revoked(struct nfs_client *clp)
+{
+ /* This will need to handle layouts too */
+ nfs_expire_all_delegations(clp);
+}
+
+static void nfs41_handle_cb_path_down(struct nfs_client *clp)
+{
+ nfs_expire_all_delegations(clp);
+ if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0)
+ nfs4_schedule_state_recovery(clp);
+}
+
void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
{
if (!flags)
return;
- else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED) {
- set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
- nfs4_state_start_reclaim_reboot(clp);
- nfs4_schedule_state_recovery(clp);
- } else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+ else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+ nfs41_handle_server_reboot(clp);
+ else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
SEQ4_STATUS_ADMIN_STATE_REVOKED |
- SEQ4_STATUS_RECALLABLE_STATE_REVOKED |
- SEQ4_STATUS_LEASE_MOVED)) {
- set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
- nfs4_state_start_reclaim_nograce(clp);
- nfs4_schedule_state_recovery(clp);
- } else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+ SEQ4_STATUS_LEASE_MOVED))
+ nfs41_handle_state_revoked(clp);
+ else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+ nfs41_handle_recallable_state_revoked(clp);
+ else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
SEQ4_STATUS_BACKCHANNEL_FAULT |
SEQ4_STATUS_CB_PATH_DOWN_SESSION))
- nfs_expire_all_delegations(clp);
+ nfs41_handle_cb_path_down(clp);
}
static int nfs4_reset_session(struct nfs_client *clp)