* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define OSP_JOB_MAGIC 0x26112005
-/**
- * Return status: whether OSP thread should keep running
- *
- * \param[in] d OSP device
- *
- * \retval 1 should keep running
- * \retval 0 should stop
- */
+struct osp_job_req_args {
+ /** bytes reserved for ptlrpc_replay_req() */
+ struct ptlrpc_replay_async_args jra_raa;
+ struct list_head jra_link;
+ __u32 jra_magic;
+};
+
static inline int osp_sync_running(struct osp_device *d)
{
return !!(d->opd_syn_thread.t_flags & SVC_RUNNING);
struct osp_thread_info *osi = osp_env_info(env);
struct osp_device *d = lu2osp_dev(o->opo_obj.do_lu.lo_dev);
struct llog_ctxt *ctxt;
+ struct thandle *storage_th;
int rc;
ENTRY;
/* it's a layering violation, to access internals of th,
* but we can do this as a sanity check, for a while */
- LASSERT(th->th_dev == d->opd_storage);
+ LASSERT(th->th_top != NULL);
+ storage_th = thandle_get_sub_by_dt(env, th->th_top, d->opd_storage);
+ if (IS_ERR(storage_th))
+ RETURN(PTR_ERR(storage_th));
switch (type) {
case MDS_UNLINK64_REC:
}
/* we want ->dt_trans_start() to allocate per-thandle structure */
- th->th_tags |= LCT_OSP_THREAD;
+ storage_th->th_tags |= LCT_OSP_THREAD;
ctxt = llog_get_context(d->opd_obd, LLOG_MDS_OST_ORIG_CTXT);
LASSERT(ctxt);
- rc = llog_declare_add(env, ctxt->loc_handle, &osi->osi_hdr, th);
+ rc = llog_declare_add(env, ctxt->loc_handle, &osi->osi_hdr,
+ storage_th);
llog_ctxt_put(ctxt);
RETURN(rc);
struct osp_thread_info *osi = osp_env_info(env);
struct llog_ctxt *ctxt;
struct osp_txn_info *txn;
+ struct thandle *storage_th;
int rc;
ENTRY;
/* it's a layering violation, to access internals of th,
* but we can do this as a sanity check, for a while */
- LASSERT(th->th_dev == d->opd_storage);
+ LASSERT(th->th_top != NULL);
+ storage_th = thandle_get_sub_by_dt(env, th->th_top, d->opd_storage);
+ if (IS_ERR(storage_th))
+ RETURN(PTR_ERR(storage_th));
switch (type) {
case MDS_UNLINK64_REC:
LBUG();
}
- txn = osp_txn_info(&th->th_ctx);
+ txn = osp_txn_info(&storage_th->th_ctx);
LASSERT(txn);
txn->oti_current_id = osp_sync_id_get(d, txn->oti_current_id);
ctxt = llog_get_context(d->opd_obd, LLOG_MDS_OST_ORIG_CTXT);
if (ctxt == NULL)
RETURN(-ENOMEM);
+
rc = llog_add(env, ctxt->loc_handle, &osi->osi_hdr, &osi->osi_cookie,
- th);
+ storage_th);
llog_ctxt_put(ctxt);
- CDEBUG(D_OTHER, "%s: new record "DOSTID":%lu/%lu: %d\n",
- d->opd_obd->obd_name, POSTID(&osi->osi_cookie.lgc_lgl.lgl_oi),
- (unsigned long) osi->osi_cookie.lgc_lgl.lgl_ogen,
- (unsigned long) osi->osi_cookie.lgc_index, rc);
-
- if (rc > 0)
- rc = 0;
-
- if (likely(rc == 0)) {
+ if (likely(rc >= 0)) {
+ CDEBUG(D_OTHER, "%s: new record "DOSTID":%lu/%lu: %d\n",
+ d->opd_obd->obd_name,
+ POSTID(&osi->osi_cookie.lgc_lgl.lgl_oi),
+ (unsigned long)osi->osi_cookie.lgc_lgl.lgl_ogen,
+ (unsigned long)osi->osi_cookie.lgc_index, rc);
spin_lock(&d->opd_syn_lock);
d->opd_syn_changes++;
spin_unlock(&d->opd_syn_lock);
}
-
- RETURN(rc);
+ /* return 0 always here, error case just cause no llog record */
+ RETURN(0);
}
int osp_sync_add(const struct lu_env *env, struct osp_object *o,
}
int osp_sync_gap(const struct lu_env *env, struct osp_device *d,
- struct lu_fid *fid, int lost, struct thandle *th)
+ struct lu_fid *fid, int lost, struct thandle *th)
{
return osp_sync_add_rec(env, d, fid, MDS_UNLINK64_REC, lost, th, NULL);
}
static void osp_sync_request_commit_cb(struct ptlrpc_request *req)
{
struct osp_device *d = req->rq_cb_data;
+ struct osp_job_req_args *jra;
CDEBUG(D_HA, "commit req %p, transno "LPU64"\n", req, req->rq_transno);
/* do not do any opd_dyn_rpc_* accounting here
* it's done in osp_sync_interpret sooner or later */
-
LASSERT(d);
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
- LASSERT(list_empty(&req->rq_exp_list));
+
+ jra = ptlrpc_req_async_args(req);
+ LASSERT(jra->jra_magic == OSP_JOB_MAGIC);
+ LASSERT(list_empty(&jra->jra_link));
ptlrpc_request_addref(req);
spin_lock(&d->opd_syn_lock);
- list_add(&req->rq_exp_list, &d->opd_syn_committed_there);
+ list_add(&jra->jra_link, &d->opd_syn_committed_there);
spin_unlock(&d->opd_syn_lock);
/* XXX: some batching wouldn't hurt */
struct ptlrpc_request *req, void *aa, int rc)
{
struct osp_device *d = req->rq_cb_data;
+ struct osp_job_req_args *jra = aa;
- if (req->rq_svc_thread != (void *) OSP_JOB_MAGIC)
- DEBUG_REQ(D_ERROR, req, "bad magic %p\n", req->rq_svc_thread);
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
+ if (jra->jra_magic != OSP_JOB_MAGIC) {
+ DEBUG_REQ(D_ERROR, req, "bad magic %u\n", jra->jra_magic);
+ LBUG();
+ }
LASSERT(d);
CDEBUG(D_HA, "reply req %p/%d, rc %d, transno %u\n", req,
* but object doesn't exist anymore - cancell llog record
*/
LASSERT(req->rq_transno == 0);
- LASSERT(list_empty(&req->rq_exp_list));
+ LASSERT(list_empty(&jra->jra_link));
ptlrpc_request_addref(req);
spin_lock(&d->opd_syn_lock);
- list_add(&req->rq_exp_list, &d->opd_syn_committed_there);
+ list_add(&jra->jra_link, &d->opd_syn_committed_there);
spin_unlock(&d->opd_syn_lock);
wake_up(&d->opd_syn_waitq);
static void osp_sync_send_new_rpc(struct osp_device *d,
struct ptlrpc_request *req)
{
+ struct osp_job_req_args *jra;
+
LASSERT(d->opd_syn_rpc_in_flight <= d->opd_syn_max_rpc_in_flight);
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
+
+ jra = ptlrpc_req_async_args(req);
+ jra->jra_magic = OSP_JOB_MAGIC;
+ INIT_LIST_HEAD(&jra->jra_link);
ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
}
body->oa.o_lcookie.lgc_lgl = llh->lgh_id;
body->oa.o_lcookie.lgc_subsys = LLOG_MDS_OST_ORIG_CTXT;
body->oa.o_lcookie.lgc_index = h->lrh_index;
- INIT_LIST_HEAD(&req->rq_exp_list);
- req->rq_svc_thread = (void *) OSP_JOB_MAGIC;
req->rq_interpret_reply = osp_sync_interpret;
req->rq_commit_cb = osp_sync_request_commit_cb;
}
/**
- * Prepare OUT-based object destroy RPC.
- *
- * The function allocates a new RPC with OUT format. Then initializes the RPC
- * to contain OUT_DESTROY update against the object specified in the llog
- * record provided by the caller.
- *
- * \param[in] env LU environment provided by the caller
- * \param[in] osp OSP device
- * \param[in] llh llog handle where the record is stored
- * \param[in] h llog record
- * \param[out] reqp request prepared
- *
- * \retval 0 on success
- * \retval negative negated errno on error
- */
-static int osp_prep_unlink_update_req(const struct lu_env *env,
- struct osp_device *osp,
- struct llog_handle *llh,
- struct llog_rec_hdr *h,
- struct ptlrpc_request **reqp)
-{
- struct llog_unlink64_rec *rec = (struct llog_unlink64_rec *)h;
- struct dt_update_request *update = NULL;
- struct ptlrpc_request *req;
- struct llog_cookie lcookie;
- const void *buf;
- __u16 size;
- int rc;
- ENTRY;
-
- update = dt_update_request_create(&osp->opd_dt_dev);
- if (IS_ERR(update))
- RETURN(PTR_ERR(update));
-
- /* This can only happens for unlink slave directory, so decrease
- * ref for ".." and "." */
- rc = out_update_pack(env, &update->dur_buf, OUT_REF_DEL, &rec->lur_fid,
- 0, NULL, NULL, 0);
- if (rc != 0)
- GOTO(out, rc);
-
- rc = out_update_pack(env, &update->dur_buf, OUT_REF_DEL, &rec->lur_fid,
- 0, NULL, NULL, 0);
- if (rc != 0)
- GOTO(out, rc);
-
- lcookie.lgc_lgl = llh->lgh_id;
- lcookie.lgc_subsys = LLOG_MDS_OST_ORIG_CTXT;
- lcookie.lgc_index = h->lrh_index;
- size = sizeof(lcookie);
- buf = &lcookie;
-
- rc = out_update_pack(env, &update->dur_buf, OUT_DESTROY, &rec->lur_fid,
- 1, &size, &buf, 0);
- if (rc != 0)
- GOTO(out, rc);
-
- rc = out_prep_update_req(env, osp->opd_obd->u.cli.cl_import,
- update->dur_buf.ub_req, &req);
- if (rc != 0)
- GOTO(out, rc);
-
- INIT_LIST_HEAD(&req->rq_exp_list);
- req->rq_svc_thread = (void *)OSP_JOB_MAGIC;
-
- req->rq_interpret_reply = osp_sync_interpret;
- req->rq_commit_cb = osp_sync_request_commit_cb;
- req->rq_cb_data = osp;
-
- ptlrpc_request_set_replen(req);
- *reqp = req;
-out:
- if (update != NULL)
- dt_update_request_destroy(update);
-
- RETURN(rc);
-}
-
-/**
* Generate a request for unlink change.
*
* The function prepares a new RPC, initializes it with unlink(destroy)
ENTRY;
LASSERT(h->lrh_type == MDS_UNLINK64_REC);
+ req = osp_sync_new_job(d, llh, h, OST_DESTROY,
+ &RQF_OST_DESTROY);
+ if (IS_ERR(req))
+ RETURN(PTR_ERR(req));
- if (d->opd_connect_mdt) {
- rc = osp_prep_unlink_update_req(env, d, llh, h, &req);
- if (rc != 0)
- RETURN(rc);
- } else {
- req = osp_sync_new_job(d, llh, h, OST_DESTROY,
- &RQF_OST_DESTROY);
- if (IS_ERR(req))
- RETURN(PTR_ERR(req));
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
- rc = fid_to_ostid(&rec->lur_fid, &body->oa.o_oi);
- if (rc < 0)
- RETURN(rc);
- body->oa.o_misc = rec->lur_count;
- body->oa.o_valid = OBD_MD_FLGROUP | OBD_MD_FLID |
- OBD_MD_FLOBJCOUNT;
- }
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
+ rc = fid_to_ostid(&rec->lur_fid, &body->oa.o_oi);
+ if (rc < 0)
+ RETURN(rc);
+ body->oa.o_misc = rec->lur_count;
+ body->oa.o_valid = OBD_MD_FLGROUP | OBD_MD_FLID |
+ OBD_MD_FLOBJCOUNT;
osp_sync_send_new_rpc(d, req);
RETURN(1);
}
struct obd_device *obd = d->opd_obd;
struct obd_import *imp = obd->u.cli.cl_import;
struct ost_body *body;
- struct ptlrpc_request *req, *tmp;
+ struct ptlrpc_request *req;
struct llog_ctxt *ctxt;
struct llog_handle *llh;
struct list_head list;
INIT_LIST_HEAD(&d->opd_syn_committed_there);
spin_unlock(&d->opd_syn_lock);
- list_for_each_entry_safe(req, tmp, &list, rq_exp_list) {
+ while (!list_empty(&list)) {
struct llog_cookie *lcookie = NULL;
-
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
- list_del_init(&req->rq_exp_list);
-
- if (d->opd_connect_mdt) {
- struct object_update_request *ureq;
- struct object_update *update;
- ureq = req_capsule_client_get(&req->rq_pill,
- &RMF_OUT_UPDATE);
- LASSERT(ureq != NULL &&
- ureq->ourq_magic == UPDATE_REQUEST_MAGIC);
-
- /* 1st/2nd is for decref . and .., 3rd one is for
- * destroy, where the log cookie is stored.
- * See osp_prep_unlink_update_req */
- update = object_update_request_get(ureq, 2, NULL);
- LASSERT(update != NULL);
- lcookie = object_update_param_get(update, 0, NULL);
- LASSERT(lcookie != NULL);
- } else {
- body = req_capsule_client_get(&req->rq_pill,
- &RMF_OST_BODY);
- LASSERT(body);
- lcookie = &body->oa.o_lcookie;
- }
+ struct osp_job_req_args *jra;
+
+ jra = list_entry(list.next, struct osp_job_req_args, jra_link);
+ LASSERT(jra->jra_magic == OSP_JOB_MAGIC);
+ list_del_init(&jra->jra_link);
+
+ req = container_of((void *)jra, struct ptlrpc_request,
+ rq_async_args);
+ body = req_capsule_client_get(&req->rq_pill,
+ &RMF_OST_BODY);
+ LASSERT(body);
+ lcookie = &body->oa.o_lcookie;
/* import can be closing, thus all commit cb's are
* called we can check committness directly */
if (req->rq_transno <= imp->imp_peer_committed_transno) {
OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
obd->obd_lvfs_ctxt.dt = d->opd_storage;
- if (d->opd_connect_mdt)
- lu_local_obj_fid(fid, SLAVE_LLOG_CATALOGS_OID);
- else
- lu_local_obj_fid(fid, LLOG_CATALOGS_OID);
+ lu_local_obj_fid(fid, LLOG_CATALOGS_OID);
rc = llog_osd_get_cat_list(env, d->opd_storage, d->opd_index, 1,
&osi->osi_cid, fid);
- if (rc) {
- CERROR("%s: can't get id from catalogs: rc = %d\n",
- obd->obd_name, rc);
- RETURN(rc);
+ if (rc < 0) {
+ if (rc != -EFAULT) {
+ CERROR("%s: can't get id from catalogs: rc = %d\n",
+ obd->obd_name, rc);
+ RETURN(rc);
+ }
+
+ /* After sparse OST indices is supported, the CATALOG file
+ * may become a sparse file that results in failure on
+ * reading. Skip this error as the llog will be created
+ * later */
+ memset(&osi->osi_cid, 0, sizeof(osi->osi_cid));
+ rc = 0;
}
CDEBUG(D_INFO, "%s: Init llog for %d - catid "DOSTID":%x\n",
git://git.whamcloud.com / fs / lustre-release.git / blobdiff