* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define LMV_MAX_TGT_COUNT 128
-#define lmv_init_lock(lmv) cfs_mutex_lock(&lmv->init_mutex);
-#define lmv_init_unlock(lmv) cfs_mutex_unlock(&lmv->init_mutex);
+#define lmv_init_lock(lmv) mutex_lock(&lmv->init_mutex);
+#define lmv_init_unlock(lmv) mutex_unlock(&lmv->init_mutex);
#define LL_IT2STR(it) \
((it) ? ldlm_it2str((it)->it_op) : "0")
-struct lmv_stripe {
- /**
- * Dir stripe fid.
- */
- struct lu_fid ls_fid;
- /**
- * Cached home mds number for \a li_fid.
- */
- mdsno_t ls_mds;
- /**
- * Stripe object size.
- */
- unsigned long ls_size;
- /**
- * Stripe flags.
- */
- int ls_flags;
-};
-
-#define O_FREEING (1 << 0)
-
-struct lmv_object {
- /**
- * Link to global objects list.
- */
- cfs_list_t lo_list;
- /**
- * Sema for protecting fields.
- */
- cfs_mutex_t lo_guard;
- /**
- * Object state like O_FREEING.
- */
- int lo_state;
- /**
- * Object ref counter.
- */
- cfs_atomic_t lo_count;
- /**
- * Object master fid.
- */
- struct lu_fid lo_fid;
- /**
- * Object hash type to find stripe by name.
- */
- __u32 lo_hashtype;
- /**
- * Number of stripes.
- */
- int lo_objcount;
- /**
- * Array of sub-objs.
- */
- struct lmv_stripe *lo_stripes;
- /**
- * Pointer to LMV obd.
- */
- struct obd_device *lo_obd;
-};
-
-int lmv_object_setup(struct obd_device *obd);
-void lmv_object_cleanup(struct obd_device *obd);
-
-static inline void
-lmv_object_lock(struct lmv_object *obj)
-{
- LASSERT(obj);
- cfs_mutex_lock(&obj->lo_guard);
-}
-
-static inline void
-lmv_object_unlock(struct lmv_object *obj)
-{
- LASSERT(obj);
- cfs_mutex_unlock(&obj->lo_guard);
-}
-
-void lmv_object_add(struct lmv_object *obj);
-void lmv_object_del(struct lmv_object *obj);
-
-void lmv_object_put(struct lmv_object *obj);
-void lmv_object_put_unlock(struct lmv_object *obj);
-void lmv_object_free(struct lmv_object *obj);
-
-struct lmv_object *lmv_object_get(struct lmv_object *obj);
-
-struct lmv_object *lmv_object_find(struct obd_device *obd,
- const struct lu_fid *fid);
-
-struct lmv_object *lmv_object_find_lock(struct obd_device *obd,
- const struct lu_fid *fid);
-
-struct lmv_object *lmv_object_alloc(struct obd_device *obd,
- const struct lu_fid *fid,
- struct lmv_stripe_md *mea);
-
-struct lmv_object *lmv_object_create(struct obd_export *exp,
- const struct lu_fid *fid,
- struct lmv_stripe_md *mea);
-
-int lmv_object_delete(struct obd_export *exp,
- const struct lu_fid *fid);
-
int lmv_check_connect(struct obd_device *obd);
int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data,
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags);
-int lmv_allocate_slaves(struct obd_device *obd, struct lu_fid *pid,
- struct md_op_data *op, struct lu_fid *fid);
-
-int lmv_revalidate_slaves(struct obd_export *, struct ptlrpc_request **,
- const struct lu_fid *, struct lookup_intent *, int,
- ldlm_blocking_callback cb_blocking,
- __u64 extra_lock_flags);
-
-int lmv_handle_split(struct obd_export *, const struct lu_fid *);
int lmv_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *,
void *, int);
int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid,
return lmv_get_target(lmv, mds);
}
+struct lmv_tgt_desc
+*lmv_locate_mds(struct lmv_obd *lmv, struct md_op_data *op_data,
+ struct lu_fid *fid);
/* lproc_lmv.c */
#ifdef LPROCFS
void lprocfs_lmv_init_vars(struct lprocfs_static_vars *lvars);