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36 * Implementation of cl_lock for LOVSUB layer.
38 * Author: Nikita Danilov <nikita.danilov@sun.com>
41 #define DEBUG_SUBSYSTEM S_LOV
43 #include "lov_cl_internal.h"
49 /*****************************************************************************
51 * Lovsub lock operations.
55 static void lovsub_lock_fini(const struct lu_env *env,
56 struct cl_lock_slice *slice)
58 struct lovsub_lock *lsl;
61 lsl = cl2lovsub_lock(slice);
62 LASSERT(list_empty(&lsl->lss_parents));
63 OBD_SLAB_FREE_PTR(lsl, lovsub_lock_kmem);
67 static const struct cl_lock_operations lovsub_lock_ops = {
68 .clo_fini = lovsub_lock_fini,
71 int lovsub_lock_init(const struct lu_env *env, struct cl_object *obj,
72 struct cl_lock *lock, const struct cl_io *io)
74 struct lovsub_lock *lsk;
78 OBD_SLAB_ALLOC_PTR_GFP(lsk, lovsub_lock_kmem, GFP_NOFS);
80 INIT_LIST_HEAD(&lsk->lss_parents);
81 cl_lock_slice_add(lock, &lsk->lss_cl, obj, &lovsub_lock_ops);