nfs41: check SEQUENCE status flag
the server can indicate a number of error conditions by setting the
appropriate bits in the SEQUENCE operation. The client re-establishes
state with the server when it receives one of those, with the action
depending on the specific case.
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index c4c0602..89404bf 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -128,6 +128,8 @@
#define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040
#define SEQ4_STATUS_LEASE_MOVED 0x00000080
#define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100
+#define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
+#define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
#define NFS4_MAX_UINT64 (~(u64)0)
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 8c88037..ea32db3 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -172,6 +172,7 @@
u8 sr_slotid; /* slot used to send request */
int sr_status; /* sequence operation status */
unsigned long sr_renewal_time;
+ u32 sr_status_flags;
};
struct nfs4_get_lease_time_args {