- int stripes = 0;
- ENTRY;
-
- LASSERT(op == MDD_TXN_CREATE_DATA_OP || op == MDD_TXN_MKDIR_OP);
-
- if (lmm == NULL)
- GOTO(out, 0);
- /* only replay create request will cause lov_objid update */
- if (!mdd->mdd_obd_dev->obd_recovering)
- GOTO(out, 0);
-
- /* add possible orphan unlink rec credits used in lov_objid update */
- if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V1) {
- stripes = le32_to_cpu(((struct lov_mds_md_v1*)lmm)
- ->lmm_stripe_count);
- } else if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V3){
- stripes = le32_to_cpu(((struct lov_mds_md_v3*)lmm)
- ->lmm_stripe_count);
- } else {
- CERROR("Unknown lmm type %X\n", le32_to_cpu(lmm->lmm_magic));
- LBUG();
- }
-out:
- mdd_txn_param_build(env, mdd, op, stripes + changelog_cnt);
- RETURN(0);
-}
-
-int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma, enum mdd_txn_op op,
- int changelog_cnt)
-{
- struct mdd_device *mdd = mdo2mdd(&md2mdd_obj(obj)->mod_obj);
- int rc, stripe = 0;
- ENTRY;
-
- if (S_ISDIR(lu_object_attr(&obj->mo_lu)))
- GOTO(out, rc = 0);
-
- LASSERT(op == MDD_TXN_UNLINK_OP || op == MDD_TXN_RENAME_OP ||
- op == MDD_TXN_RENAME_TGT_OP);
- rc = mdd_lmm_get_locked(env, md2mdd_obj(obj), ma);
- if (rc || !(ma->ma_valid & MA_LOV))
- GOTO(out, rc);
-
- LASSERTF(le32_to_cpu(ma->ma_lmm->lmm_magic) == LOV_MAGIC_V1 ||
- le32_to_cpu(ma->ma_lmm->lmm_magic) == LOV_MAGIC_V3,
- "%08x", le32_to_cpu(ma->ma_lmm->lmm_magic));
-
- if ((int)le32_to_cpu(ma->ma_lmm->lmm_stripe_count) < 0)
- stripe = mdd2obd_dev(mdd)->u.mds.mds_lov_desc.ld_tgt_count;
- else
- stripe = le32_to_cpu(ma->ma_lmm->lmm_stripe_count);
-
-out:
- mdd_txn_param_build(env, mdd, op, stripe + changelog_cnt);
-
- RETURN(rc);
-}
-
-void mdd_setattr_txn_param_build(const struct lu_env *env,
- struct md_object *obj,
- struct md_attr *ma, enum mdd_txn_op op,
- int changelog_cnt)
-{
- struct mdd_device *mdd = mdo2mdd(&md2mdd_obj(obj)->mod_obj);
-
- mdd_txn_param_build(env, mdd, op, changelog_cnt);
- if (ma->ma_attr.la_valid & (LA_UID | LA_GID))
- txn_param_credit_add(&mdd_env_info(env)->mti_param,
- dto_txn_credits[DTO_ATTR_SET_CHOWN]);
-}
-
-static void mdd_txn_init_dto_credits(const struct lu_env *env,
- struct mdd_device *mdd, int *dto_credits)
-{
- int op, credits;
- for (op = 0; op < DTO_NR; op++) {
- credits = mdd_child_ops(mdd)->dt_credit_get(env, mdd->mdd_child,
- op);
- LASSERT(credits >= 0);
- dto_txn_credits[op] = credits;
- }
-}
-
-int mdd_txn_init_credits(const struct lu_env *env, struct mdd_device *mdd)
-{
- int op;
-
- /* Init credits for each ops. */
- mdd_txn_init_dto_credits(env, mdd, dto_txn_credits);
-
- /* Calculate the mdd credits. */
- for (op = MDD_TXN_OBJECT_DESTROY_OP; op < MDD_TXN_LAST_OP; op++) {
- int *c = &mdd->mdd_tod[op].mod_credits;
- int *dt = dto_txn_credits;
- mdd->mdd_tod[op].mod_op = op;
- switch(op) {
- case MDD_TXN_OBJECT_DESTROY_OP:
- /* Unused now */
- *c = dt[DTO_OBJECT_DELETE];
- break;
- case MDD_TXN_OBJECT_CREATE_OP:
- /* OI INSERT + CREATE OBJECT */
- *c = dt[DTO_INDEX_INSERT] +
- dt[DTO_OBJECT_CREATE];
- break;
- case MDD_TXN_ATTR_SET_OP:
- /* ATTR set + XATTR(lsm, lmv) set */
- *c = dt[DTO_ATTR_SET_BASE] +
- dt[DTO_XATTR_SET];
- break;
- case MDD_TXN_XATTR_SET_OP:
- *c = dt[DTO_XATTR_SET];
- break;
- case MDD_TXN_INDEX_INSERT_OP:
- *c = dt[DTO_INDEX_INSERT];
- break;
- case MDD_TXN_INDEX_DELETE_OP:
- *c = dt[DTO_INDEX_DELETE];
- break;
- case MDD_TXN_LINK_OP:
- *c = dt[DTO_INDEX_INSERT];
- break;
- case MDD_TXN_UNLINK_OP:
- /* delete index + Unlink log +
- * mdd orphan handling */
- *c = dt[DTO_INDEX_DELETE] +
- dt[DTO_INDEX_DELETE] +
- dt[DTO_INDEX_INSERT] * 2 +
- dt[DTO_XATTR_SET] * 3;
- break;
- case MDD_TXN_RENAME_OP:
- /* 2 delete index + 1 insert + Unlink log */
- *c = 2 * dt[DTO_INDEX_DELETE] +
- dt[DTO_INDEX_INSERT] +
- dt[DTO_INDEX_DELETE] +
- dt[DTO_INDEX_INSERT] * 2 +
- dt[DTO_XATTR_SET] * 3;
- break;
- case MDD_TXN_RENAME_TGT_OP:
- /* index insert + index delete */
- *c = dt[DTO_INDEX_DELETE] +
- dt[DTO_INDEX_INSERT] +
- dt[DTO_INDEX_DELETE] +
- dt[DTO_INDEX_INSERT] * 2 +
- dt[DTO_XATTR_SET] * 3;
- break;
- case MDD_TXN_CREATE_DATA_OP:
- /* same as set xattr(lsm) */
- *c = dt[DTO_XATTR_SET];
- break;
- case MDD_TXN_MKDIR_OP:
- /* INDEX INSERT + OI INSERT +
- * CREATE_OBJECT_CREDITS
- * SET_MD CREDITS is already counted in
- * CREATE_OBJECT CREDITS
- */
- *c = 2 * dt[DTO_INDEX_INSERT] +
- dt[DTO_OBJECT_CREATE];
- break;
- case MDD_TXN_CLOSE_OP:
- *c = 0;
- break;
- default:
- CERROR("Invalid op %d init its credit\n", op);
- LBUG();
- }
- }
- RETURN(0);
-}
-
-struct thandle* mdd_trans_start(const struct lu_env *env,
- struct mdd_device *mdd)
-{
- struct txn_param *p = &mdd_env_info(env)->mti_param;
- struct thandle *th;
-
- th = mdd_child_ops(mdd)->dt_trans_start(env, mdd->mdd_child, p);
- return th;