* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
struct ofd_device *ofd, struct lu_fid *fid,
struct lu_attr *la, int niocount,
struct niobuf_remote *rnb, int *nr_local,
- struct niobuf_local *lnb,
- struct obd_trans_info *oti)
+ struct niobuf_local *lnb, char *jobid)
{
struct ofd_object *fo;
int i, j, rc, tot_bytes = 0;
GOTO(unlock, rc = -ENOENT);
/* parse remote buffers to local buffers and prepare the latter */
+ *nr_local = 0;
for (i = 0, j = 0; i < niocount; i++) {
rc = dt_bufs_get(env, ofd_object_child(fo), rnb + i,
lnb + j, 0, ofd_object_capa(env, fo));
- LASSERT(rc > 0);
+ if (unlikely(rc < 0))
+ GOTO(buf_put, rc);
LASSERT(rc <= PTLRPC_MAX_BRW_PAGES);
/* correct index for local buffers to continue with */
j += rc;
+ *nr_local += rc;
LASSERT(j <= PTLRPC_MAX_BRW_PAGES);
tot_bytes += rnb[i].rnb_len;
}
- *nr_local = j;
LASSERT(*nr_local > 0 && *nr_local <= PTLRPC_MAX_BRW_PAGES);
rc = dt_attr_get(env, ofd_object_child(fo), la,
ofd_object_capa(env, fo));
rc = dt_read_prep(env, ofd_object_child(fo), lnb, *nr_local);
if (unlikely(rc))
GOTO(buf_put, rc);
- lprocfs_counter_add(ofd_obd(ofd)->obd_stats,
- LPROC_OFD_READ_BYTES, tot_bytes);
- ofd_counter_incr(exp, LPROC_OFD_STATS_READ,
- oti->oti_jobid, tot_bytes);
+
+ ofd_counter_incr(exp, LPROC_OFD_STATS_READ, jobid, tot_bytes);
RETURN(0);
buf_put:
struct lu_attr *la, struct obdo *oa,
int objcount, struct obd_ioobj *obj,
struct niobuf_remote *rnb, int *nr_local,
- struct niobuf_local *lnb,
- struct obd_trans_info *oti)
+ struct niobuf_local *lnb, char *jobid)
{
struct ofd_object *fo;
int i, j, k, rc = 0, tot_bytes = 0;
GOTO(out, rc = -ENOENT);
}
- /* Always sync if syncjournal parameter is set */
- oti->oti_sync_write = ofd->ofd_syncjournal;
-
/* Process incoming grant info, set OBD_BRW_GRANTED flag and grant some
* space back if possible */
ofd_grant_prepare_write(env, exp, oa, rnb, obj->ioo_bufcnt);
/* parse remote buffers to local buffers and prepare the latter */
+ *nr_local = 0;
for (i = 0, j = 0; i < obj->ioo_bufcnt; i++) {
rc = dt_bufs_get(env, ofd_object_child(fo),
rnb + i, lnb + j, 1,
ofd_object_capa(env, fo));
- LASSERT(rc > 0);
+ if (unlikely(rc < 0))
+ GOTO(err, rc);
LASSERT(rc <= PTLRPC_MAX_BRW_PAGES);
/* correct index for local buffers to continue with */
for (k = 0; k < rc; k++) {
lnb[j+k].lnb_flags = rnb[i].rnb_flags;
if (!(rnb[i].rnb_flags & OBD_BRW_GRANTED))
lnb[j+k].lnb_rc = -ENOSPC;
- if (!(rnb[i].rnb_flags & OBD_BRW_ASYNC))
- oti->oti_sync_write = 1;
/* remote client can't break through quota */
if (exp_connect_rmtclient(exp))
lnb[j+k].lnb_flags &= ~OBD_BRW_NOQUOTA;
}
j += rc;
+ *nr_local += rc;
LASSERT(j <= PTLRPC_MAX_BRW_PAGES);
tot_bytes += rnb[i].rnb_len;
}
- *nr_local = j;
LASSERT(*nr_local > 0 && *nr_local <= PTLRPC_MAX_BRW_PAGES);
rc = dt_write_prep(env, ofd_object_child(fo), lnb, *nr_local);
- if (unlikely(rc != 0)) {
- dt_bufs_put(env, ofd_object_child(fo), lnb, *nr_local);
- ofd_read_unlock(env, fo);
- /* ofd_grant_prepare_write() was called, so we must commit */
- ofd_grant_commit(env, exp, rc);
- GOTO(out, rc);
- }
+ if (unlikely(rc != 0))
+ GOTO(err, rc);
- lprocfs_counter_add(ofd_obd(ofd)->obd_stats,
- LPROC_OFD_WRITE_BYTES, tot_bytes);
- ofd_counter_incr(exp, LPROC_OFD_STATS_WRITE,
- oti->oti_jobid, tot_bytes);
+ ofd_counter_incr(exp, LPROC_OFD_STATS_WRITE, jobid, tot_bytes);
RETURN(0);
+err:
+ dt_bufs_put(env, ofd_object_child(fo), lnb, *nr_local);
+ ofd_read_unlock(env, fo);
+ /* ofd_grant_prepare_write() was called, so we must commit */
+ ofd_grant_commit(env, exp, rc);
out:
/* let's still process incoming grant information packed in the oa,
* but without enforcing grant since we won't proceed with the write.
return rc;
}
-int ofd_preprw(const struct lu_env* env, int cmd, struct obd_export *exp,
+int ofd_preprw(const struct lu_env *env, int cmd, struct obd_export *exp,
struct obdo *oa, int objcount, struct obd_ioobj *obj,
struct niobuf_remote *rnb, int *nr_local,
struct niobuf_local *lnb, struct obd_trans_info *oti,
struct lustre_capa *capa)
{
+ struct tgt_session_info *tsi = tgt_ses_info(env);
struct ofd_device *ofd = ofd_exp(exp);
struct ofd_thread_info *info;
+ char *jobid;
int rc = 0;
- rc = lu_env_refill((struct lu_env *)env);
- LASSERT(rc == 0);
- info = ofd_info_init(env, exp);
+ if (*nr_local > PTLRPC_MAX_BRW_PAGES) {
+ CERROR("%s: bulk has too many pages %d, which exceeds the"
+ "maximum pages per RPC of %d\n",
+ exp->exp_obd->obd_name, *nr_local, PTLRPC_MAX_BRW_PAGES);
+ RETURN(-EPROTO);
+ }
+
+ if (tgt_ses_req(tsi) == NULL) { /* echo client case */
+ LASSERT(oti != NULL);
+ lu_env_refill((struct lu_env *)env);
+ info = ofd_info_init(env, exp);
+ ofd_oti2info(info, oti);
+ jobid = oti->oti_jobid;
+ } else {
+ info = tsi2ofd_info(tsi);
+ jobid = tsi->tsi_jobid;
+ }
LASSERT(oa != NULL);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT)) {
struct ofd_seq *oseq;
+
oseq = ofd_seq_load(env, ofd, ostid_seq(&oa->o_oi));
if (IS_ERR(oseq)) {
CERROR("%s: Can not find seq for "DOSTID
la_from_obdo(&info->fti_attr, oa, OBD_MD_FLGETATTR);
rc = ofd_preprw_write(env, exp, ofd, &info->fti_fid,
&info->fti_attr, oa, objcount,
- obj, rnb, nr_local, lnb, oti);
+ obj, rnb, nr_local, lnb, jobid);
}
} else if (cmd == OBD_BRW_READ) {
rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oa->o_oi),
ofd_grant_prepare_read(env, exp, oa);
rc = ofd_preprw_read(env, exp, ofd, &info->fti_fid,
&info->fti_attr, obj->ioo_bufcnt,
- rnb, nr_local, lnb, oti);
+ rnb, nr_local, lnb, jobid);
obdo_from_la(oa, &info->fti_attr, LA_ATIME);
}
} else {
ofd_commitrw_write(const struct lu_env *env, struct ofd_device *ofd,
struct lu_fid *fid, struct lu_attr *la,
struct filter_fid *ff, int objcount,
- int niocount, struct niobuf_local *lnb,
- struct obd_trans_info *oti, int old_rc)
+ int niocount, struct niobuf_local *lnb, int old_rc)
{
struct ofd_thread_info *info = ofd_info(env);
struct ofd_object *fo;
struct thandle *th;
int rc = 0;
int retries = 0;
+ int i;
ENTRY;
if (IS_ERR(th))
GOTO(out, rc = PTR_ERR(th));
- th->th_sync |= oti->oti_sync_write;
+ th->th_sync |= ofd->ofd_syncjournal;
+ if (th->th_sync == 0) {
+ for (i = 0; i < niocount; i++) {
+ if (!(lnb[i].lnb_flags & OBD_BRW_ASYNC)) {
+ th->th_sync = 1;
+ break;
+ }
+ }
+ }
if (OBD_FAIL_CHECK(OBD_FAIL_OST_DQACQ_NET))
GOTO(out_stop, rc = -EINPROGRESS);
struct niobuf_local *lnb, struct obd_trans_info *oti,
int old_rc)
{
- struct ofd_thread_info *info;
+ struct ofd_thread_info *info = ofd_info(env);
struct ofd_mod_data *fmd;
__u64 valid;
struct ofd_device *ofd = ofd_exp(exp);
struct filter_fid *ff = NULL;
int rc = 0;
- info = ofd_info(env);
- ofd_oti2info(info, oti);
-
LASSERT(npages > 0);
rc = ostid_to_fid(&info->fti_fid, &oa->o_oi, 0);
rc = ofd_commitrw_write(env, ofd, &info->fti_fid,
&info->fti_attr, ff, objcount, npages,
- lnb, oti, old_rc);
+ lnb, old_rc);
if (rc == 0)
obdo_from_la(oa, &info->fti_attr,
OFD_VALID_FLAGS | LA_GID | LA_UID);
}
}
rc = ofd_commitrw_read(env, ofd, &info->fti_fid, objcount,
- npages, lnb);
+ npages, lnb);
if (old_rc)
rc = old_rc;
} else {
rc = -EPROTO;
}
- ofd_info2oti(info, oti);
+ if (oti != NULL)
+ ofd_info2oti(info, oti);
RETURN(rc);
}