NFSv4.1: Support dynamic resizing of the session slot table

Allow the server to control the size of the session slot table
by adjusting the value of sr_target_max_slots in the reply to the
SEQUENCE operation.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 646e64bbff4c..30715508fade 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -215,6 +215,7 @@ struct nfs4_slot_table {
         spinlock_t      slot_tbl_lock;
         struct rpc_wait_queue   slot_tbl_waitq; /* allocators may wait here */
         u32             max_slots;              /* # slots in table */
+        u32             max_slotid;             /* Max allowed slotid value */
         u32             highest_used_slotid;    /* sent to server on each SEQ.
                                                  * op for dynamic resizing */
         u32             target_highest_slotid;  /* Server max_slot target */