-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011 Whamcloud, Inc.
- *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Wang Di <wangdi@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
-#include <linux/module.h>
-#ifdef HAVE_EXT4_LDISKFS
-#include <ldiskfs/ldiskfs_jbd2.h>
-#else
-#include <linux/jbd.h>
-#endif
-#include <obd.h>
#include <obd_class.h>
-#include <lustre_ver.h>
-#include <obd_support.h>
#include <lprocfs_status.h>
-
-#ifdef HAVE_EXT4_LDISKFS
-#include <ldiskfs/ldiskfs.h>
-#else
-#include <linux/ldiskfs_fs.h>
-#endif
#include <lustre_mds.h>
-#include <lustre/lustre_idl.h>
#include "mdd_internal.h"
-static int dto_txn_credits[DTO_NR];
-
-int mdd_txn_start_cb(const struct lu_env *env, struct txn_param *param,
- void *cookie)
-{
- struct mdd_device *mdd = cookie;
- struct obd_device *obd = mdd2obd_dev(mdd);
- /* Each transaction updates lov objids, the credits should be added for
- * this */
- int blk, shift = mdd->mdd_dt_conf.ddp_block_shift;
- blk = ((obd->u.mds.mds_lov_desc.ld_tgt_count * sizeof(obd_id) +
- (1 << shift) - 1) >> shift) + 1;
-
- /* add lov objids credits */
- param->tp_credits += blk * dto_txn_credits[DTO_WRITE_BLOCK] +
- dto_txn_credits[DTO_WRITE_BASE];
-
- return 0;
-}
-
int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
void *cookie)
{
return mds_lov_write_objids(obd);
}
-int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn,
- void *cookie)
-{
- return 0;
-}
-
-void mdd_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
- enum mdd_txn_op op, int changelog_cnt)
-{
- LASSERT(0 <= op && op < MDD_TXN_LAST_OP);
-
- txn_param_init(&mdd_env_info(env)->mti_param,
- mdd->mdd_tod[op].mod_credits);
- if (changelog_cnt > 0) {
- txn_param_credit_add(&mdd_env_info(env)->mti_param,
- changelog_cnt * dto_txn_credits[DTO_LOG_REC]);
- }
-}
-
-int mdd_create_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
- struct lov_mds_md *lmm, enum mdd_txn_op op,
- int changelog_cnt)
-{
- 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 thandle *mdd_trans_create(const struct lu_env *env,
+ struct mdd_device *mdd)
{
- 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);
+ return mdd_child_ops(mdd)->dt_trans_create(env, mdd->mdd_child);
}
-int 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)
+int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
+ struct thandle *th)
{
- struct mdd_device *mdd = mdo2mdd(&md2mdd_obj(obj)->mod_obj);
- ENTRY;
-
- 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]);
-
- /* permission changes may require sync operation */
- if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID) &&
- mdd->mdd_sync_permission == 1)
- txn_param_sync(&mdd_env_info(env)->mti_param);
-
- RETURN(0);
-}
-
-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;
- 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;
+ return mdd_child_ops(mdd)->dt_trans_start(env, mdd->mdd_child, th);
}
void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff