NFSv4.1: clean up nfs4_recall_slot to use nfs4_alloc_slots

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

fs/nfs/nfs4_fs.h

@@ -258,6 +258,8 @@ extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
 extern int nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data,
 				  bool sync);
 
+extern struct nfs4_slot *nfs4_alloc_slots(u32 max_slots, gfp_t gfp_flags);
+
 static inline bool
 is_ds_only_client(struct nfs_client *clp)
 {

fs/nfs/nfs4proc.c

@@ -5656,7 +5656,7 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo)
 	return status;
 }
 
-static struct nfs4_slot *nfs4_alloc_slots(u32 max_slots, gfp_t gfp_flags)
+struct nfs4_slot *nfs4_alloc_slots(u32 max_slots, gfp_t gfp_flags)
 {
 	return kmalloc_array(max_slots, sizeof(struct nfs4_slot), gfp_flags);
 }

fs/nfs/nfs4state.c

@@ -2033,8 +2033,7 @@ static int nfs4_recall_slot(struct nfs_client *clp)
 		return 0;
 	nfs4_begin_drain_session(clp);
 	fc_tbl = &clp->cl_session->fc_slot_table;
-	new = kmalloc(fc_tbl->target_max_slots * sizeof(struct nfs4_slot),
-		      GFP_NOFS);
+	new = nfs4_alloc_slots(fc_tbl->target_max_slots, GFP_NOFS);
         if (!new)
 		return -ENOMEM;