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29 * This file is part of Lustre, http://www.lustre.org/
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32 * Implementation of cl_lock for VVP layer.
34 * Author: Nikita Danilov <nikita.danilov@sun.com>
37 #define DEBUG_SUBSYSTEM S_LLITE
39 #include "../include/obd_support.h"
40 #include "../include/lustre_lite.h"
42 #include "vvp_internal.h"
44 /*****************************************************************************
50 static void vvp_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice)
52 struct vvp_lock *vlk = cl2vvp_lock(slice);
54 kmem_cache_free(vvp_lock_kmem, vlk);
57 static int vvp_lock_enqueue(const struct lu_env *env,
58 const struct cl_lock_slice *slice,
59 struct cl_io *unused, struct cl_sync_io *anchor)
61 CLOBINVRNT(env, slice->cls_obj, vvp_object_invariant(slice->cls_obj));
66 static const struct cl_lock_operations vvp_lock_ops = {
67 .clo_fini = vvp_lock_fini,
68 .clo_enqueue = vvp_lock_enqueue,
71 int vvp_lock_init(const struct lu_env *env, struct cl_object *obj,
72 struct cl_lock *lock, const struct cl_io *unused)
77 CLOBINVRNT(env, obj, vvp_object_invariant(obj));
79 vlk = kmem_cache_zalloc(vvp_lock_kmem, GFP_NOFS);
81 cl_lock_slice_add(lock, &vlk->vlk_cl, obj, &vvp_lock_ops);