X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_trans.c;h=f5258c5aa19bfc33a806c03052b1ca9557f0dfa1;hp=8a408696e6763ca45dc49c5a4eed54831bebfc30;hb=e2af7fb3c91dfb13d34d8e1b2f2df8c09621f768;hpb=9dce07db5dc5ff3e0ffa57289ac095966a88adcc diff --git a/lustre/mdd/mdd_trans.c b/lustre/mdd/mdd_trans.c index 8a40869..f5258c5 100644 --- a/lustre/mdd/mdd_trans.c +++ b/lustre/mdd/mdd_trans.c @@ -1,6 +1,4 @@ -/* -*- 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. @@ -26,8 +24,10 @@ * 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/ @@ -40,9 +40,6 @@ * Author: Wang Di */ -#ifndef EXPORT_SYMTAB -# define EXPORT_SYMTAB -#endif #define DEBUG_SUBSYSTEM S_MDS #include @@ -67,26 +64,6 @@ #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) { @@ -97,170 +74,16 @@ int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn, 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) -{ - LASSERT(0 <= op && op < MDD_TXN_LAST_OP); - - txn_param_init(&mdd_env_info(env)->mti_param, - mdd->mdd_tod[op].mod_credits); -} - -int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj, - struct md_attr *ma, enum mdd_txn_op op) +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, log_credits, stripe; - ENTRY; - - mdd_txn_param_build(env, mdd, op); - - if (S_ISDIR(lu_object_attr(&obj->mo_lu))) - RETURN(0); - - LASSERT(op == MDD_TXN_UNLINK_OP || op == MDD_TXN_RENAME_OP); - rc = mdd_lmm_get_locked(env, md2mdd_obj(obj), ma); - if (rc || !(ma->ma_valid & MA_LOV)) - RETURN(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); - - log_credits = stripe * dto_txn_credits[DTO_LOG_REC]; - mdd_env_info(env)->mti_param.tp_credits += log_credits; - RETURN(rc); -} - -int mdd_setattr_txn_param_build(const struct lu_env *env, struct md_object *obj, - struct md_attr *ma, enum mdd_txn_op op) -{ - struct mdd_device *mdd = mdo2mdd(&md2mdd_obj(obj)->mod_obj); - ENTRY; - - mdd_txn_param_build(env, mdd, op); - if (ma->ma_attr.la_valid & (LA_UID | LA_GID)) - mdd_env_info(env)->mti_param.tp_credits = - dto_txn_credits[DTO_ATTR_SET_CHOWN]; - - 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); + return mdd_child_ops(mdd)->dt_trans_create(env, mdd->mdd_child); } -struct thandle* mdd_trans_start(const struct lu_env *env, - struct mdd_device *mdd) +int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd, + struct thandle *th) { - 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,