NFSv4: Mark the lock and open stateids as invalid after freeing them

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6f0df2c..fdd7fac 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2560,6 +2560,7 @@ static int nfs41_check_expired_locks(struct nfs4_state *state)
                        if (status == -NFS4ERR_EXPIRED ||
                            status == -NFS4ERR_BAD_STATEID) {
                                clear_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags);
+                               lsp->ls_stateid.type = NFS4_INVALID_STATEID_TYPE;
                                if (!recover_lost_locks)
                                        set_bit(NFS_LOCK_LOST, &lsp->ls_flags);
                        } else if (status != NFS_OK) {
@@ -2605,6 +2606,7 @@ static int nfs41_check_open_stateid(struct nfs4_state *state)
                clear_bit(NFS_O_WRONLY_STATE, &state->flags);
                clear_bit(NFS_O_RDWR_STATE, &state->flags);
                clear_bit(NFS_OPEN_STATE, &state->flags);
+               stateid->type = NFS4_INVALID_STATEID_TYPE;
        }
        return status;
 }