NFSv4.1: Reset the sequence number for slots that have been deallocated

When the server tells us that it is dynamically resizing the session
replay cache, we should reset the sequence number for those slots
that have been deallocated.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 57d406997de..646e64bbff4 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -218,6 +218,7 @@ struct nfs4_slot_table {
         u32             highest_used_slotid;    /* sent to server on each SEQ.
                                                  * op for dynamic resizing */
         u32             target_highest_slotid;  /* Server max_slot target */
+        u32             server_highest_slotid;  /* Server highest slotid */
         unsigned long   generation;             /* Generation counter for
                                                    target_highest_slotid */
         struct completion complete;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 08c47db7417..3ddb08fba93 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -203,6 +203,7 @@ struct nfs4_sequence_res {
         struct nfs4_slot        *sr_slot;       /* slot used to send request */
         int                     sr_status;      /* sequence operation status */
         u32                     sr_status_flags;
+        u32                     sr_highest_slotid;
         u32                     sr_target_highest_slotid;
 };