* GPL HEADER END
*/
/*
- * Copyright (c) 2014, Intel Corporation.
+ * Copyright (c) 2014, 2015, Intel Corporation.
*/
/*
* lustre/target/update_trans.c
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 stopped %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_stopped, 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);
+ }
}
}
* \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;
*/
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);
}
"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);
}
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);
return st;
}
-/**
- * sub thandle commit callback
- *
- * Mark the sub thandle to be committed and if all sub thandle are committed
- * notify the top thandle.
- *
- * \param[in] env execution environment
- * \param[in] sub_th sub thandle being committed
- * \param[in] cb commit callback
- * \param[in] err trans result
- */
-static void sub_trans_commit_cb(struct lu_env *env,
- struct thandle *sub_th,
- struct dt_txn_commit_cb *cb, int err)
+static void sub_trans_commit_cb_internal(struct top_multiple_thandle *tmt,
+ struct thandle *sub_th, int err)
{
struct sub_thandle *st;
- struct top_multiple_thandle *tmt = cb->dcb_data;
bool all_committed = true;
- 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;
if (!st->st_committed)
all_committed = false;
}
+ spin_unlock(&tmt->tmt_sub_lock);
if (tmt->tmt_result == 0)
tmt->tmt_result = err;
RETURN_EXIT;
}
+/**
+ * sub thandle commit callback
+ *
+ * Mark the sub thandle to be committed and if all sub thandle are committed
+ * notify the top thandle.
+ *
+ * \param[in] env execution environment
+ * \param[in] sub_th sub thandle being committed
+ * \param[in] cb commit callback
+ * \param[in] err trans result
+ */
+static void sub_trans_commit_cb(struct lu_env *env,
+ struct thandle *sub_th,
+ struct dt_txn_commit_cb *cb, int err)
+{
+ struct top_multiple_thandle *tmt = cb->dcb_data;
+
+ sub_trans_commit_cb_internal(tmt, sub_th, err);
+}
+
static void sub_thandle_register_commit_cb(struct sub_thandle *st,
struct top_multiple_thandle *tmt)
{
st->st_sub_th = sub_th;
sub_th->th_wait_submit = 1;
+ sub_thandle_register_stop_cb(st, top_th->tt_multiple_thandle);
return 0;
}
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;
}
{
struct target_distribute_txn_data *tdtd;
struct dt_device *dt = new->tmt_master_sub_dt;
+ struct sub_thandle *st;
LASSERT(dt != NULL);
tdtd = dt2lu_dev(dt)->ld_site->ls_tgt->lut_tdtd;
new->tmt_batchid = tdtd->tdtd_batchid++;
list_add_tail(&new->tmt_commit_list, &tdtd->tdtd_list);
spin_unlock(&tdtd->tdtd_batchid_lock);
+ list_for_each_entry(st, &new->tmt_sub_thandle_list, st_sub_list) {
+ if (st->st_sub_th != NULL)
+ sub_thandle_register_commit_cb(st, new);
+ }
top_multiple_thandle_get(new);
top_multiple_thandle_dump(new, D_INFO);
}
struct dt_device *dt = new->tmt_master_sub_dt;
struct top_multiple_thandle *tmt;
struct target_distribute_txn_data *tdtd;
+ struct sub_thandle *st;
bool at_head = false;
LASSERT(dt != NULL);
list_add(&new->tmt_commit_list, &tdtd->tdtd_list);
}
spin_unlock(&tdtd->tdtd_batchid_lock);
+
+ list_for_each_entry(st, &new->tmt_sub_thandle_list, st_sub_list) {
+ if (st->st_sub_th != NULL)
+ sub_thandle_register_commit_cb(st, new);
+ }
+
top_multiple_thandle_get(new);
top_multiple_thandle_dump(new, D_INFO);
if (new->tmt_committed && at_head)
ENTRY;
if (tmt == NULL) {
+ if (th->th_sync)
+ top_th->tt_master_sub_thandle->th_sync = th->th_sync;
+ if (th->th_local)
+ top_th->tt_master_sub_thandle->th_local = th->th_local;
+ top_th->tt_master_sub_thandle->th_tags = th->th_tags;
rc = dt_trans_start(env, top_th->tt_master_sub_thandle->th_dev,
top_th->tt_master_sub_thandle);
RETURN(rc);
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;
- st->st_sub_th->th_local = th->th_local;
+ if (th->th_sync)
+ st->st_sub_th->th_sync = th->th_sync;
+ if (th->th_local)
+ 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,
st->st_sub_th);
if (rc != 0)
GOTO(out, rc);
- sub_thandle_register_stop_cb(st, tmt);
- sub_thandle_register_commit_cb(st, tmt);
+ LASSERT(st->st_started == 0);
+ st->st_started = 1;
}
out:
th->th_result = rc;
if (likely(top_th->tt_multiple_thandle == NULL)) {
LASSERT(master_dev != NULL);
+
+ if (th->th_sync)
+ top_th->tt_master_sub_thandle->th_sync = th->th_sync;
+ if (th->th_local)
+ top_th->tt_master_sub_thandle->th_local = th->th_local;
+ top_th->tt_master_sub_thandle->th_tags = th->th_tags;
rc = dt_trans_stop(env, master_dev,
top_th->tt_master_sub_thandle);
OBD_FREE_PTR(top_th);
CERROR("%s: cannot prepare updates: rc = %d\n",
master_dev->dd_lu_dev.ld_obd->obd_name, rc);
th->th_result = rc;
+ write_updates = false;
GOTO(stop_master_trans, rc);
}
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.
CERROR("%s: write updates failed: rc = %d\n",
master_dev->dd_lu_dev.ld_obd->obd_name, rc);
th->th_result = rc;
+ write_updates = false;
GOTO(stop_master_trans, rc);
}
}
/* Step 2: Stop the transaction on the master MDT, and fill the
* 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_local)
+ master_st->st_sub_th->th_local = th->th_local;
+ 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);
+ /* If it does not write_updates, then we call submit callback
+ * here, otherwise callback is done through
+ * osd(osp)_trans_commit_cb() */
+ if (!master_st->st_started &&
+ !list_empty(&tmt->tmt_commit_list))
+ sub_trans_commit_cb_internal(tmt,
+ master_st->st_sub_th, rc);
if (rc < 0) {
th->th_result = rc;
GOTO(stop_other_trans, rc);
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;
if (st == master_st || st->st_sub_th == NULL)
continue;
- st->st_sub_th->th_sync = th->th_sync;
- st->st_sub_th->th_local = th->th_local;
+ if (th->th_sync)
+ st->st_sub_th->th_sync = th->th_sync;
+ if (th->th_local)
+ 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;
rc = dt_trans_stop(env, st->st_sub_th->th_dev,
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;
st->st_sub_th = sub_th;
sub_th->th_top = &top_th->tt_super;
+ sub_thandle_register_stop_cb(st, top_th->tt_multiple_thandle);
return st;
}
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;
/* 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));
- top_th->tt_master_sub_thandle->th_sync = 1;
- top_th->tt_super.th_sync = 1;
+ 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);
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);
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);
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? */
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;
init_waitqueue_head(&lut->lut_tdtd_commit_thread.t_ctl_waitq);
init_waitqueue_head(&tdtd->tdtd_commit_thread_waitq);
+ init_waitqueue_head(&tdtd->tdtd_recovery_threads_waitq);
atomic_set(&tdtd->tdtd_refcount, 0);
+ atomic_set(&tdtd->tdtd_recovery_threads_count, 0);
tdtd->tdtd_lut = lut;
rc = distribute_txn_commit_batchid_init(env, tdtd);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff