* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
static const struct lu_seq_range IGIF_FLD_RANGE = {
.lsr_start = 1,
- .lsr_end = IDIF_SEQ_START,
- .lsr_mdt = 0
+ .lsr_end = FID_SEQ_IDIF,
+ .lsr_index = 0,
+ .lsr_flags = LU_SEQ_RANGE_MDT
};
const struct dt_index_features fld_index_features = {
RETURN((void *)rec);
}
-struct thandle* fld_trans_start(struct lu_server_fld *fld,
- const struct lu_env *env, int credit)
+struct thandle *fld_trans_create(struct lu_server_fld *fld,
+ const struct lu_env *env)
{
- struct fld_thread_info *info;
struct dt_device *dt_dev;
- struct txn_param *p;
dt_dev = lu2dt_dev(fld->lsf_obj->do_lu.lo_dev);
- info = lu_context_key_get(&env->le_ctx, &fld_thread_key);
- p = &info->fti_txn_param;
- txn_param_init(p, credit);
- return dt_dev->dd_ops->dt_trans_start(env, dt_dev, p);
+ return dt_dev->dd_ops->dt_trans_create(env, dt_dev);
+}
+
+int fld_trans_start(struct lu_server_fld *fld,
+ const struct lu_env *env, struct thandle *th)
+{
+ struct dt_device *dt_dev;
+
+ dt_dev = lu2dt_dev(fld->lsf_obj->do_lu.lo_dev);
+
+ return dt_dev->dd_ops->dt_trans_start(env, dt_dev, th);
}
void fld_trans_stop(struct lu_server_fld *fld,
dt_dev->dd_ops->dt_trans_stop(env, th);
}
+int fld_declare_index_create(struct lu_server_fld *fld,
+ const struct lu_env *env,
+ const struct lu_seq_range *range,
+ struct thandle *th)
+{
+ struct dt_object *dt_obj = fld->lsf_obj;
+ seqno_t start;
+ int rc;
+
+ ENTRY;
+
+ start = range->lsr_start;
+ LASSERT(range_is_sane(range));
+
+ rc = dt_obj->do_index_ops->dio_declare_insert(env, dt_obj,
+ fld_rec(env, range),
+ fld_key(env, start), th);
+ RETURN(rc);
+}
+
/**
* insert range in fld store.
*
struct thandle *th)
{
struct dt_object *dt_obj = fld->lsf_obj;
- struct dt_device *dt_dev;
seqno_t start;
int rc;
start = range->lsr_start;
LASSERT(range_is_sane(range));
- dt_dev = lu2dt_dev(fld->lsf_obj->do_lu.lo_dev);
rc = dt_obj->do_index_ops->dio_insert(env, dt_obj,
fld_rec(env, range),
struct thandle *th)
{
struct dt_object *dt_obj = fld->lsf_obj;
- struct dt_device *dt_dev;
seqno_t seq = range->lsr_start;
int rc;
ENTRY;
- dt_dev = lu2dt_dev(fld->lsf_obj->do_lu.lo_dev);
- rc = dt_obj->do_index_ops->dio_delete(env, dt_obj,
- fld_key(env, seq), th,
- BYPASS_CAPA);
+ rc = dt_obj->do_index_ops->dio_delete(env, dt_obj, fld_key(env, seq),
+ th, BYPASS_CAPA);
CDEBUG(D_INFO, "%s: delete given range : "DRANGE" rc = %d\n",
fld->lsf_name, PRANGE(range), rc);
}
/**
- * lookup range for a seq passed
+ * lookup range for a seq passed. note here we only care about the start/end,
+ * caller should handle the attached location data (flags, index).
*
- * \param seq seq for lookup.
- * \param range result of lookup.
+ * \param seq seq for lookup.
+ * \param range result of lookup.
*
- * \retval 0 success
- * \retval -ve error
+ * \retval 0 found, \a range is the matched range;
+ * \retval -ENOENT not found, \a range is the left-side range;
+ * \retval -ve other error;
*/
int fld_index_lookup(struct lu_server_fld *fld,
{
struct thandle *th;
int rc;
-
ENTRY;
- th = fld_trans_start(fld, env, FLD_TXN_INDEX_INSERT_CREDITS);
+
+ /* FLD_TXN_INDEX_INSERT_CREDITS */
+ th = fld_trans_create(fld, env);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
+ rc = fld_declare_index_create(fld, env, &IGIF_FLD_RANGE, th);
+ if (rc) {
+ fld_trans_stop(fld, env, th);
+ RETURN(rc);
+ }
+ rc = fld_trans_start(fld, env, th);
+ if (rc) {
+ fld_trans_stop(fld, env, th);
+ RETURN(rc);
+ }
rc = fld_index_create(fld, env, &IGIF_FLD_RANGE, th);
fld_trans_stop(fld, env, th);