X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Ftarget%2Fupdate_trans.c;h=d3fd4c1b100354f44f32293467c7ef446ab9909d;hb=d630e9f288e96d50791c4d0fd4414337c673d9ea;hp=28bf6be28fb999131c97122c04b413da1de21015;hpb=0136a91b6d629556ef091f5ca210c13772207df9;p=fs%2Flustre-release.git diff --git a/lustre/target/update_trans.c b/lustre/target/update_trans.c index 28bf6be..d3fd4c1 100644 --- a/lustre/target/update_trans.c +++ b/lustre/target/update_trans.c @@ -81,12 +81,17 @@ static void top_multiple_thandle_dump(struct top_multiple_thandle *tmt, tmt->tmt_result, tmt->tmt_batchid); list_for_each_entry(st, &tmt->tmt_sub_thandle_list, st_sub_list) { - CDEBUG(mask, "st %p obd %s committed %d sub_th %p " - " cookie "DOSTID": %u\n", + struct sub_thandle_cookie *stc; + + CDEBUG(mask, "st %p obd %s committed %d sub_th %p\n", st, st->st_dt->dd_lu_dev.ld_obd->obd_name, - st->st_committed, st->st_sub_th, - POSTID(&st->st_cookie.lgc_lgl.lgl_oi), - st->st_cookie.lgc_index); + st->st_committed, st->st_sub_th); + + list_for_each_entry(stc, &st->st_cookie_list, stc_list) { + CDEBUG(mask, " cookie "DOSTID": %u\n", + POSTID(&stc->stc_cookie.lgc_lgl.lgl_oi), + stc->stc_cookie.lgc_index); + } } } @@ -99,33 +104,46 @@ static void top_multiple_thandle_dump(struct top_multiple_thandle *tmt, * \param[in] env execution environment * \param[in] record update records being written * \param[in] sub_th sub transaction handle + * \param[in] record_size total update record size * * \retval 0 if writing succeeds * \retval negative errno if writing fails */ static int sub_declare_updates_write(const struct lu_env *env, struct llog_update_record *record, - struct thandle *sub_th) + struct thandle *sub_th, size_t record_size) { struct llog_ctxt *ctxt; struct dt_device *dt = sub_th->th_dev; + int left = record_size; int rc; /* If ctxt is NULL, it means not need to write update, * for example if the the OSP is used to connect to OST */ ctxt = llog_get_context(dt->dd_lu_dev.ld_obd, LLOG_UPDATELOG_ORIG_CTXT); - LASSERT(ctxt != NULL); /* Not ready to record updates yet. */ - if (ctxt->loc_handle == NULL) { + if (ctxt == NULL || ctxt->loc_handle == NULL) { llog_ctxt_put(ctxt); return 0; } - rc = llog_declare_add(env, ctxt->loc_handle, &record->lur_hdr, - sub_th); + rc = llog_declare_add(env, ctxt->loc_handle, + &record->lur_hdr, sub_th); + if (rc < 0) + GOTO(out_put, rc); + + while (left > ctxt->loc_chunk_size) { + rc = llog_declare_add(env, ctxt->loc_handle, + &record->lur_hdr, sub_th); + if (rc < 0) + GOTO(out_put, rc); + + left -= ctxt->loc_chunk_size; + } +out_put: llog_ctxt_put(ctxt); return rc; @@ -148,21 +166,30 @@ static int sub_declare_updates_write(const struct lu_env *env, */ static int sub_updates_write(const struct lu_env *env, struct llog_update_record *record, - struct thandle *sub_th, - struct llog_cookie *cookie) + struct sub_thandle *sub_th) { - struct dt_device *dt = sub_th->th_dev; + struct dt_device *dt = sub_th->st_dt; struct llog_ctxt *ctxt; int rc; + struct llog_update_record *lur = NULL; + struct update_params *params = NULL; + __u32 update_count = 0; + __u32 param_count = 0; + __u32 last_update_count = 0; + __u32 last_param_count = 0; + void *src; + void *start; + void *next; + struct sub_thandle_cookie *stc; ENTRY; ctxt = llog_get_context(dt->dd_lu_dev.ld_obd, LLOG_UPDATELOG_ORIG_CTXT); - LASSERT(ctxt != NULL); - - /* Not ready to record updates yet, usually happens - * in error handler path */ - if (ctxt->loc_handle == NULL) { + /* If ctxt == NULL, then it means updates on OST (only happens + * during migration), and we do not track those updates for now */ + /* If ctxt->loc_handle == NULL, then it does not need to record + * update, usually happens in error handler path */ + if (ctxt == NULL || ctxt->loc_handle == NULL) { llog_ctxt_put(ctxt); RETURN(0); } @@ -174,16 +201,124 @@ static int sub_updates_write(const struct lu_env *env, "lrh_len %u record_size %zu\n", record->lur_hdr.lrh_len, llog_update_record_size(record)); - rc = llog_add(env, ctxt->loc_handle, &record->lur_hdr, - cookie, sub_th); - llog_ctxt_put(ctxt); + if (likely(record->lur_hdr.lrh_len <= ctxt->loc_chunk_size)) { + OBD_ALLOC_PTR(stc); + if (stc == NULL) + GOTO(llog_put, rc = -ENOMEM); + INIT_LIST_HEAD(&stc->stc_list); + + rc = llog_add(env, ctxt->loc_handle, &record->lur_hdr, + &stc->stc_cookie, sub_th->st_sub_th); + + CDEBUG(D_INFO, "%s: Add update log "DOSTID":%u: rc = %d\n", + dt->dd_lu_dev.ld_obd->obd_name, + POSTID(&stc->stc_cookie.lgc_lgl.lgl_oi), + stc->stc_cookie.lgc_index, rc); + + if (rc > 0) { + list_add(&stc->stc_list, &sub_th->st_cookie_list); + rc = 0; + } else { + OBD_FREE_PTR(stc); + } - CDEBUG(D_INFO, "%s: Add update log "DOSTID":%u.\n", - dt->dd_lu_dev.ld_obd->obd_name, - POSTID(&cookie->lgc_lgl.lgl_oi), cookie->lgc_index); + GOTO(llog_put, rc); + } - if (rc > 0) - rc = 0; + /* Split the records into chunk_size update record */ + OBD_ALLOC_LARGE(lur, ctxt->loc_chunk_size); + if (lur == NULL) + GOTO(llog_put, rc = -ENOMEM); + + memcpy(lur, &record->lur_hdr, sizeof(record->lur_hdr)); + lur->lur_update_rec.ur_update_count = 0; + lur->lur_update_rec.ur_param_count = 0; + src = &record->lur_update_rec.ur_ops; + start = next = src; + lur->lur_hdr.lrh_len = llog_update_record_size(lur); + params = update_records_get_params(&record->lur_update_rec); + do { + size_t rec_len; + + if (update_count < record->lur_update_rec.ur_update_count) { + next = update_op_next_op((struct update_op *)src); + } else { + if (param_count == 0) + next = update_records_get_params( + &record->lur_update_rec); + else + next = (char *)src + + object_update_param_size( + (struct object_update_param *)src); + } + + rec_len = cfs_size_round((unsigned long)(next - src)); + /* If its size > llog chunk_size, then write current chunk to + * the update llog. */ + if (lur->lur_hdr.lrh_len + rec_len + LLOG_MIN_REC_SIZE > + ctxt->loc_chunk_size || + param_count == record->lur_update_rec.ur_param_count) { + lur->lur_update_rec.ur_update_count = + update_count > last_update_count ? + update_count - last_update_count : 0; + lur->lur_update_rec.ur_param_count = param_count - + last_param_count; + + memcpy(&lur->lur_update_rec.ur_ops, start, + (unsigned long)(src - start)); + if (last_update_count != 0) + lur->lur_update_rec.ur_flags |= + UPDATE_RECORD_CONTINUE; + + update_records_dump(&lur->lur_update_rec, D_INFO, true); + lur->lur_hdr.lrh_len = llog_update_record_size(lur); + LASSERT(lur->lur_hdr.lrh_len <= ctxt->loc_chunk_size); + + OBD_ALLOC_PTR(stc); + if (stc == NULL) + GOTO(llog_put, rc = -ENOMEM); + INIT_LIST_HEAD(&stc->stc_list); + + rc = llog_add(env, ctxt->loc_handle, + &lur->lur_hdr, + &stc->stc_cookie, sub_th->st_sub_th); + + CDEBUG(D_INFO, "%s: Add update log "DOSTID":%u" + " rc = %d\n", dt->dd_lu_dev.ld_obd->obd_name, + POSTID(&stc->stc_cookie.lgc_lgl.lgl_oi), + stc->stc_cookie.lgc_index, rc); + + if (rc > 0) { + list_add(&stc->stc_list, + &sub_th->st_cookie_list); + rc = 0; + } else { + OBD_FREE_PTR(stc); + GOTO(llog_put, rc); + } + + last_update_count = update_count; + last_param_count = param_count; + start = src; + lur->lur_update_rec.ur_update_count = 0; + lur->lur_update_rec.ur_param_count = 0; + lur->lur_hdr.lrh_len = llog_update_record_size(lur); + } + + src = next; + lur->lur_hdr.lrh_len += cfs_size_round(rec_len); + if (update_count < record->lur_update_rec.ur_update_count) + update_count++; + else if (param_count < record->lur_update_rec.ur_param_count) + param_count++; + else + break; + } while (1); + +llog_put: + if (lur != NULL) + OBD_FREE_LARGE(lur, ctxt->loc_chunk_size); + llog_ctxt_put(ctxt); RETURN(rc); } @@ -308,6 +443,7 @@ struct sub_thandle *create_sub_thandle(struct top_multiple_thandle *tmt, RETURN(ERR_PTR(-ENOMEM)); INIT_LIST_HEAD(&st->st_sub_list); + INIT_LIST_HEAD(&st->st_cookie_list); st->st_dt = dt_dev; list_add(&st->st_sub_list, &tmt->tmt_sub_thandle_list); @@ -335,6 +471,7 @@ static void sub_trans_commit_cb(struct lu_env *env, ENTRY; /* Check if all sub thandles are committed */ + spin_lock(&tmt->tmt_sub_lock); list_for_each_entry(st, &tmt->tmt_sub_thandle_list, st_sub_list) { if (st->st_sub_th == sub_th) { st->st_committed = 1; @@ -343,6 +480,7 @@ static void sub_trans_commit_cb(struct lu_env *env, if (!st->st_committed) all_committed = false; } + spin_unlock(&tmt->tmt_sub_lock); if (tmt->tmt_result == 0) tmt->tmt_result = err; @@ -503,7 +641,8 @@ static int declare_updates_write(const struct lu_env *env, if (st->st_sub_th == NULL) continue; - rc = sub_declare_updates_write(env, record, st->st_sub_th); + rc = sub_declare_updates_write(env, record, st->st_sub_th, + tmt->tmt_record_size); if (rc < 0) break; } @@ -647,7 +786,8 @@ int top_trans_start(const struct lu_env *env, struct dt_device *master_dev, list_for_each_entry(st, &tmt->tmt_sub_thandle_list, st_sub_list) { if (st->st_sub_th == NULL) continue; - st->st_sub_th->th_sync = th->th_sync; + if (th->th_sync) + st->st_sub_th->th_sync = th->th_sync; st->st_sub_th->th_local = th->th_local; st->st_sub_th->th_tags = th->th_tags; rc = dt_trans_start(env, st->st_sub_th->th_dev, @@ -814,8 +954,7 @@ int top_trans_stop(const struct lu_env *env, struct dt_device *master_dev, lur = tur->tur_update_records; /* Write updates to the master MDT */ - rc = sub_updates_write(env, lur, master_st->st_sub_th, - &master_st->st_cookie); + rc = sub_updates_write(env, lur, master_st); /* Cleanup the common parameters in the update records, * master transno callback might add more parameters. @@ -837,7 +976,8 @@ stop_master_trans: * master transno in the update logs to other MDT. */ if (master_st != NULL && master_st->st_sub_th != NULL) { master_st->st_sub_th->th_local = th->th_local; - master_st->st_sub_th->th_sync = th->th_sync; + if (th->th_sync) + master_st->st_sub_th->th_sync = th->th_sync; master_st->st_sub_th->th_tags = th->th_tags; master_st->st_sub_th->th_result = th->th_result; rc = dt_trans_stop(env, master_st->st_dt, master_st->st_sub_th); @@ -877,8 +1017,7 @@ stop_master_trans: st->st_sub_th->th_result < 0) continue; - rc = sub_updates_write(env, lur, st->st_sub_th, - &st->st_cookie); + rc = sub_updates_write(env, lur, st); if (rc < 0) { th->th_result = rc; break; @@ -892,7 +1031,8 @@ stop_other_trans: if (st == master_st || st->st_sub_th == NULL) continue; - st->st_sub_th->th_sync = th->th_sync; + if (th->th_sync) + st->st_sub_th->th_sync = th->th_sync; st->st_sub_th->th_local = th->th_local; st->st_sub_th->th_tags = th->th_tags; st->st_sub_th->th_result = th->th_result; @@ -940,8 +1080,9 @@ int top_trans_create_tmt(const struct lu_env *env, INIT_LIST_HEAD(&tmt->tmt_sub_thandle_list); INIT_LIST_HEAD(&tmt->tmt_commit_list); atomic_set(&tmt->tmt_refcount, 1); - + spin_lock_init(&tmt->tmt_sub_lock); init_waitqueue_head(&tmt->tmt_stop_waitq); + top_th->tt_multiple_thandle = tmt; return 0; @@ -982,6 +1123,7 @@ struct thandle *thandle_get_sub_by_dt(const struct lu_env *env, struct dt_device *sub_dt) { struct sub_thandle *st = NULL; + struct sub_thandle *master_st = NULL; struct top_thandle *top_th; struct thandle *sub_th = NULL; int rc = 0; @@ -1015,19 +1157,29 @@ struct thandle *thandle_get_sub_by_dt(const struct lu_env *env, /* Add master sub th to the top trans list */ tmt->tmt_master_sub_dt = top_th->tt_master_sub_thandle->th_dev; - st = create_sub_thandle_with_thandle(top_th, - top_th->tt_master_sub_thandle); - if (IS_ERR(st)) - GOTO(stop_trans, rc = PTR_ERR(st)); + master_st = create_sub_thandle_with_thandle(top_th, + top_th->tt_master_sub_thandle); + if (IS_ERR(master_st)) { + rc = PTR_ERR(master_st); + master_st = NULL; + GOTO(stop_trans, rc); + } } /* create and init sub th to the top trans list */ st = create_sub_thandle_with_thandle(top_th, sub_th); + if (IS_ERR(st)) { + rc = PTR_ERR(st); + st = NULL; + GOTO(stop_trans, rc); + } st->st_sub_th->th_wait_submit = 1; stop_trans: if (rc < 0) { - if (st != NULL) - OBD_FREE_PTR(st); + if (master_st != NULL) { + list_del(&master_st->st_sub_list); + OBD_FREE_PTR(master_st); + } sub_th->th_result = rc; dt_trans_stop(env, sub_dt, sub_th); sub_th = ERR_PTR(rc); @@ -1052,7 +1204,15 @@ void top_multiple_thandle_destroy(struct top_multiple_thandle *tmt) LASSERT(tmt->tmt_magic == TOP_THANDLE_MAGIC); list_for_each_entry_safe(st, tmp, &tmt->tmt_sub_thandle_list, st_sub_list) { + struct sub_thandle_cookie *stc; + struct sub_thandle_cookie *tmp; + list_del(&st->st_sub_list); + list_for_each_entry_safe(stc, tmp, &st->st_cookie_list, + stc_list) { + list_del(&stc->stc_list); + OBD_FREE_PTR(stc); + } OBD_FREE_PTR(st); } OBD_FREE_PTR(tmt); @@ -1083,23 +1243,28 @@ static int distribute_txn_cancel_records(const struct lu_env *env, struct llog_ctxt *ctxt; struct obd_device *obd; struct llog_cookie *cookie; + struct sub_thandle_cookie *stc; int rc; - cookie = &st->st_cookie; - if (fid_is_zero(&cookie->lgc_lgl.lgl_oi.oi_fid)) - continue; - obd = st->st_dt->dd_lu_dev.ld_obd; ctxt = llog_get_context(obd, LLOG_UPDATELOG_ORIG_CTXT); - LASSERT(ctxt); + if (ctxt == NULL) + continue; + list_for_each_entry(stc, &st->st_cookie_list, stc_list) { + cookie = &stc->stc_cookie; + if (fid_is_zero(&cookie->lgc_lgl.lgl_oi.oi_fid)) + continue; - rc = llog_cat_cancel_records(env, ctxt->loc_handle, 1, - cookie); + rc = llog_cat_cancel_records(env, ctxt->loc_handle, 1, + cookie); + CDEBUG(D_HA, "%s: batchid %llu cancel update log " + DOSTID ".%u : rc = %d\n", obd->obd_name, + tmt->tmt_batchid, + POSTID(&cookie->lgc_lgl.lgl_oi), + cookie->lgc_index, rc); + } llog_ctxt_put(ctxt); - CDEBUG(D_HA, "%s: batchid %llu cancel update log "DOSTID - ".%u : rc = %d\n", obd->obd_name, tmt->tmt_batchid, - POSTID(&cookie->lgc_lgl.lgl_oi), cookie->lgc_index, rc); } RETURN(0); @@ -1412,23 +1577,10 @@ static int distribute_txn_commit_thread(void *_arg) tdtd->tdtd_committed_batchid); /* update globally committed on a storage */ if (batchid > tdtd->tdtd_committed_batchid) { - distribute_txn_commit_batchid_update(&env, tdtd, + rc = distribute_txn_commit_batchid_update(&env, tdtd, batchid); - spin_lock(&tdtd->tdtd_batchid_lock); - if (batchid > tdtd->tdtd_batchid) { - /* This might happen during recovery, - * batchid is initialized as last transno, - * and the batchid in the update records - * on other MDTs might be bigger than - * the batchid, so we need update it to - * avoid duplicate batchid. */ - CDEBUG(D_HA, "%s update batchid from "LPU64 - " to "LPU64"\n", - tdtd->tdtd_lut->lut_obd->obd_name, - tdtd->tdtd_batchid, batchid); - tdtd->tdtd_batchid = batchid; - } - spin_unlock(&tdtd->tdtd_batchid_lock); + if (rc == 0) + batchid = 0; } /* cancel the records for committed batchid's */ /* XXX: should we postpone cancel's till the end of recovery? */ @@ -1493,8 +1645,13 @@ int distribute_txn_init(const struct lu_env *env, int rc; ENTRY; - spin_lock_init(&tdtd->tdtd_batchid_lock); INIT_LIST_HEAD(&tdtd->tdtd_list); + INIT_LIST_HEAD(&tdtd->tdtd_replay_finish_list); + INIT_LIST_HEAD(&tdtd->tdtd_replay_list); + spin_lock_init(&tdtd->tdtd_batchid_lock); + spin_lock_init(&tdtd->tdtd_replay_list_lock); + tdtd->tdtd_replay_handler = distribute_txn_replay_handle; + tdtd->tdtd_replay_ready = 0; tdtd->tdtd_batchid = lut->lut_last_transno + 1;