NFSv4.1: Convert slotid from u8 to u32
It is perfectly legal to negotiate up to 2^32-1 slots in the protocol,
and with 10GigE, we are already seeing that 255 slots is far too limiting.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 9e101c1..2ae57f2 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -191,6 +191,7 @@
/* maximum number of slots to use */
#define NFS4_MAX_SLOT_TABLE (128U)
+#define NFS4_NO_SLOT ((u32)-1)
#if defined(CONFIG_NFS_V4)
@@ -201,10 +202,10 @@
unsigned long used_slots[SLOT_TABLE_SZ]; /* used/unused bitmap */
spinlock_t slot_tbl_lock;
struct rpc_wait_queue slot_tbl_waitq; /* allocators may wait here */
- int max_slots; /* # slots in table */
- int highest_used_slotid; /* sent to server on each SEQ.
+ u32 max_slots; /* # slots in table */
+ u32 highest_used_slotid; /* sent to server on each SEQ.
* op for dynamic resizing */
- int target_max_slots; /* Set by CB_RECALL_SLOT as
+ u32 target_max_slots; /* Set by CB_RECALL_SLOT as
* the new max_slots */
struct completion complete;
};