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LU-9753 ofd: 64-bits diff variable to avoid overflow
[fs/lustre-release.git] / lustre / ofd / ofd_dev.c
index 928bf29..2476f9e 100644 (file)
@@ -23,7 +23,7 @@
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2014 Intel Corporation.
+ * Copyright (c) 2012, 2016, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -42,7 +42,7 @@
  * The OBD Filter Device (OFD) module belongs to the Object Storage
  * Server stack and connects the RPC oriented Unified Target (TGT)
  * layer (see lustre/include/lu_target.h) to the storage oriented OSD
- * layer (see lustre/doc/osd-api.txt).
+ * layer (see Documentation/osd-api.txt).
  *
  *     TGT
  *      |      DT and OBD APIs
 #define DEBUG_SUBSYSTEM S_FILTER
 
 #include <obd_class.h>
-#include <lustre_param.h>
+#include <obd_cksum.h>
+#include <uapi/linux/lustre_param.h>
 #include <lustre_fid.h>
 #include <lustre_lfsck.h>
 #include <lustre/lustre_idl.h>
 #include <lustre_dlm.h>
 #include <lustre_quota.h>
+#include <lustre_nodemap.h>
+#include <lustre_log.h>
 
 #include "ofd_internal.h"
 
@@ -166,6 +169,7 @@ static int ofd_stack_init(const struct lu_env *env,
        struct lu_device        *d;
        struct ofd_thread_info  *info = ofd_info(env);
        struct lustre_mount_info *lmi;
+       struct lustre_mount_data *lmd;
        int                      rc;
        char                    *osdname;
 
@@ -177,6 +181,10 @@ static int ofd_stack_init(const struct lu_env *env,
                RETURN(-ENODEV);
        }
 
+       lmd = s2lsi(lmi->lmi_sb)->lsi_lmd;
+       if (lmd != NULL && lmd->lmd_flags & LMD_FLG_SKIP_LFSCK)
+               m->ofd_skip_lfsck = 1;
+
        /* find bottom osd */
        OBD_ALLOC(osdname, MTI_NAME_MAXLEN);
        if (osdname == NULL)
@@ -229,15 +237,14 @@ static void ofd_stack_fini(const struct lu_env *env, struct ofd_device *m,
        if (obd->obd_fail)
                strcat(flags, "A");
        lustre_cfg_bufs_set_string(&bufs, 1, flags);
-       lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
-       if (!lcfg) {
-               CERROR("Cannot alloc lcfg!\n");
+       OBD_ALLOC(lcfg, lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
+       if (!lcfg)
                RETURN_EXIT;
-       }
+       lustre_cfg_init(lcfg, LCFG_CLEANUP, &bufs);
 
        LASSERT(top);
        top->ld_ops->ldo_process_config(env, top, lcfg);
-       lustre_cfg_free(lcfg);
+       OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
 
        lu_site_purge(env, top->ld_site, ~0);
        if (!cfs_hash_is_empty(top->ld_site->ls_obj_hash)) {
@@ -464,7 +471,7 @@ static int ofd_object_print(const struct lu_env *env, void *cookie,
        return (*p)(env, cookie, LUSTRE_OST_NAME"-object@%p", o);
 }
 
-struct lu_object_operations ofd_obj_ops = {
+static struct lu_object_operations ofd_obj_ops = {
        .loo_object_init        = ofd_object_init,
        .loo_object_free        = ofd_object_free,
        .loo_object_print       = ofd_object_print
@@ -630,21 +637,26 @@ static int ofd_prepare(const struct lu_env *env, struct lu_device *pdev,
 static int ofd_recovery_complete(const struct lu_env *env,
                                 struct lu_device *dev)
 {
+       struct ofd_thread_info  *oti = ofd_info(env);
        struct ofd_device       *ofd = ofd_dev(dev);
        struct lu_device        *next = &ofd->ofd_osd->dd_lu_dev;
-       int                      rc = 0, max_precreate;
+       int                      rc = 0;
 
        ENTRY;
 
        /*
         * Grant space for object precreation on the self export.
-        * This initial reserved space (i.e. 10MB for zfs and 280KB for ldiskfs)
+        * The initial reserved space (i.e. 10MB for zfs and 280KB for ldiskfs)
         * is enough to create 10k objects. More space is then acquired for
-        * precreation in ofd_grant_create().
+        * precreation in tgt_grant_create().
         */
-       max_precreate = OST_MAX_PRECREATE * ofd->ofd_dt_conf.ddp_inodespace / 2;
-       ofd_grant_connect(env, dev->ld_obd->obd_self_export, max_precreate,
-                         false);
+       memset(&oti->fti_ocd, 0, sizeof(oti->fti_ocd));
+       oti->fti_ocd.ocd_grant = OST_MAX_PRECREATE / 2;
+       oti->fti_ocd.ocd_grant *= ofd->ofd_lut.lut_dt_conf.ddp_inodespace;
+       oti->fti_ocd.ocd_connect_flags = OBD_CONNECT_GRANT |
+                                        OBD_CONNECT_GRANT_PARAM;
+       tgt_grant_connect(env, dev->ld_obd->obd_self_export, &oti->fti_ocd,
+                         true);
        rc = next->ld_ops->ldo_recovery_complete(env, next);
        RETURN(rc);
 }
@@ -696,8 +708,7 @@ static int ofd_procfs_init(struct ofd_device *ofd)
 
        obd->obd_uses_nid_stats = 1;
 
-       entry = lprocfs_seq_register("exports", obd->obd_proc_entry, NULL,
-                                    NULL);
+       entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
        if (IS_ERR(entry)) {
                rc = PTR_ERR(entry);
                CERROR("%s: error %d setting up lprocfs for %s\n",
@@ -826,60 +837,52 @@ int ofd_fid_init(const struct lu_env *env, struct ofd_device *ofd)
        ss->ss_lu = lu->ld_site;
        ss->ss_node_id = ofd->ofd_lut.lut_lsd.lsd_osd_index;
 
+       OBD_ALLOC(name, sizeof(obd_name) * 2 + 10);
+       if (name == NULL)
+               return -ENOMEM;
+
        OBD_ALLOC_PTR(ss->ss_server_seq);
        if (ss->ss_server_seq == NULL)
-               GOTO(out_free, rc = -ENOMEM);
-
-       OBD_ALLOC(name, strlen(obd_name) + 10);
-       if (!name) {
-               OBD_FREE_PTR(ss->ss_server_seq);
-               ss->ss_server_seq = NULL;
-               GOTO(out_free, rc = -ENOMEM);
-       }
+               GOTO(out_name, rc = -ENOMEM);
 
        rc = seq_server_init(env, ss->ss_server_seq, ofd->ofd_osd, obd_name,
                             LUSTRE_SEQ_SERVER, ss);
        if (rc) {
                CERROR("%s : seq server init error %d\n", obd_name, rc);
-               GOTO(out_free, rc);
+               GOTO(out_server, rc);
        }
        ss->ss_server_seq->lss_space.lsr_index = ss->ss_node_id;
 
        OBD_ALLOC_PTR(ss->ss_client_seq);
        if (ss->ss_client_seq == NULL)
-               GOTO(out_free, rc = -ENOMEM);
+               GOTO(out_server, rc = -ENOMEM);
 
-       snprintf(name, strlen(obd_name) + 6, "%p-super", obd_name);
+       /*
+        * It always printed as "%p", so that the name is unique in the kernel,
+        * even if the filesystem is mounted twice. So sizeof(.) * 2 is enough.
+        */
+       snprintf(name, sizeof(obd_name) * 2 + 7, "%p-super", obd_name);
        rc = seq_client_init(ss->ss_client_seq, NULL, LUSTRE_SEQ_DATA,
                             name, NULL);
        if (rc) {
                CERROR("%s : seq client init error %d\n", obd_name, rc);
-               GOTO(out_free, rc);
+               GOTO(out_client, rc);
        }
-       OBD_FREE(name, strlen(obd_name) + 10);
-       name = NULL;
 
        rc = seq_server_set_cli(env, ss->ss_server_seq, ss->ss_client_seq);
 
-out_free:
        if (rc) {
-               if (ss->ss_server_seq) {
-                       seq_server_fini(ss->ss_server_seq, env);
-                       OBD_FREE_PTR(ss->ss_server_seq);
-                       ss->ss_server_seq = NULL;
-               }
-
-               if (ss->ss_client_seq) {
-                       seq_client_fini(ss->ss_client_seq);
-                       OBD_FREE_PTR(ss->ss_client_seq);
-                       ss->ss_client_seq = NULL;
-               }
-
-               if (name) {
-                       OBD_FREE(name, strlen(obd_name) + 10);
-                       name = NULL;
-               }
+out_client:
+               seq_client_fini(ss->ss_client_seq);
+               OBD_FREE_PTR(ss->ss_client_seq);
+               ss->ss_client_seq = NULL;
+out_server:
+               seq_server_fini(ss->ss_server_seq, env);
+               OBD_FREE_PTR(ss->ss_server_seq);
+               ss->ss_server_seq = NULL;
        }
+out_name:
+       OBD_FREE(name, sizeof(obd_name) * 2 + 10);
 
        return rc;
 }
@@ -894,14 +897,13 @@ out_free:
  * \retval             0 if successful
  * \retval             negative value on error
  */
-int ofd_set_info_hdl(struct tgt_session_info *tsi)
+static int ofd_set_info_hdl(struct tgt_session_info *tsi)
 {
        struct ptlrpc_request   *req = tgt_ses_req(tsi);
        struct ost_body         *body = NULL, *repbody;
        void                    *key, *val = NULL;
        int                      keylen, vallen, rc = 0;
        bool                     is_grant_shrink;
-       struct ofd_device       *ofd = ofd_exp(tsi->tsi_exp);
 
        ENTRY;
 
@@ -938,16 +940,12 @@ int ofd_set_info_hdl(struct tgt_session_info *tsi)
                *repbody = *body;
 
                /** handle grant shrink, similar to a read request */
-               ofd_grant_prepare_read(tsi->tsi_env, tsi->tsi_exp,
+               tgt_grant_prepare_read(tsi->tsi_env, tsi->tsi_exp,
                                       &repbody->oa);
        } else if (KEY_IS(KEY_EVICT_BY_NID)) {
                if (vallen > 0)
                        obd_export_evict_by_nid(tsi->tsi_exp->exp_obd, val);
                rc = 0;
-       } else if (KEY_IS(KEY_CAPA_KEY)) {
-               rc = ofd_update_capa_key(ofd, val);
-       } else if (KEY_IS(KEY_SPTLRPC_CONF)) {
-               rc = tgt_adapt_sptlrpc_conf(tsi->tsi_tgt, 0);
        } else {
                CERROR("%s: Unsupported key %s\n",
                       tgt_name(tsi->tsi_tgt), (char *)key);
@@ -974,7 +972,7 @@ int ofd_set_info_hdl(struct tgt_session_info *tsi)
  * \retval             negative value on error
  */
 int ofd_fiemap_get(const struct lu_env *env, struct ofd_device *ofd,
-                  struct lu_fid *fid, struct ll_user_fiemap *fiemap)
+                  struct lu_fid *fid, struct fiemap *fiemap)
 {
        struct ofd_object       *fo;
        int                      rc;
@@ -1062,13 +1060,13 @@ static int lock_region(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
  */
 static int lock_zero_regions(struct ldlm_namespace *ns,
                             struct ldlm_res_id *res_id,
-                            struct ll_user_fiemap *fiemap,
+                            struct fiemap *fiemap,
                             struct list_head *locked)
 {
        __u64 begin = fiemap->fm_start;
        unsigned int i;
        int rc = 0;
-       struct ll_fiemap_extent *fiemap_start = fiemap->fm_extents;
+       struct fiemap_extent *fiemap_start = fiemap->fm_extents;
 
        ENTRY;
 
@@ -1136,7 +1134,7 @@ unlock_zero_regions(struct ldlm_namespace *ns, struct list_head *locked)
  * \retval             0 if successful
  * \retval             negative value on error
  */
-int ofd_get_info_hdl(struct tgt_session_info *tsi)
+static int ofd_get_info_hdl(struct tgt_session_info *tsi)
 {
        struct obd_export               *exp = tsi->tsi_exp;
        struct ofd_device               *ofd = ofd_exp(exp);
@@ -1157,7 +1155,7 @@ int ofd_get_info_hdl(struct tgt_session_info *tsi)
                                      RCL_CLIENT);
 
        if (KEY_IS(KEY_LAST_ID)) {
-               obd_id          *last_id;
+               u64             *last_id;
                struct ofd_seq  *oseq;
 
                req_capsule_extend(tsi->tsi_pill, &RQF_OST_GET_INFO_LAST_ID);
@@ -1168,7 +1166,7 @@ int ofd_get_info_hdl(struct tgt_session_info *tsi)
                last_id = req_capsule_server_get(tsi->tsi_pill, &RMF_OBD_ID);
 
                oseq = ofd_seq_load(tsi->tsi_env, ofd,
-                                   (obd_seq)exp->exp_filter_data.fed_group);
+                                   (u64)exp->exp_filter_data.fed_group);
                if (IS_ERR(oseq))
                        rc = -EFAULT;
                else
@@ -1176,21 +1174,22 @@ int ofd_get_info_hdl(struct tgt_session_info *tsi)
                ofd_seq_put(tsi->tsi_env, oseq);
        } else if (KEY_IS(KEY_FIEMAP)) {
                struct ll_fiemap_info_key       *fm_key;
-               struct ll_user_fiemap           *fiemap;
+               struct fiemap                   *fiemap;
                struct lu_fid                   *fid;
 
                req_capsule_extend(tsi->tsi_pill, &RQF_OST_GET_INFO_FIEMAP);
 
                fm_key = req_capsule_client_get(tsi->tsi_pill, &RMF_FIEMAP_KEY);
-               rc = tgt_validate_obdo(tsi, &fm_key->oa);
+               rc = tgt_validate_obdo(tsi, &fm_key->lfik_oa);
                if (rc)
                        RETURN(err_serious(rc));
 
-               fid = &fm_key->oa.o_oi.oi_fid;
+               fid = &fm_key->lfik_oa.o_oi.oi_fid;
 
                CDEBUG(D_INODE, "get FIEMAP of object "DFID"\n", PFID(fid));
 
-               replylen = fiemap_count_to_size(fm_key->fiemap.fm_extent_count);
+               replylen = fiemap_count_to_size(
+                                       fm_key->lfik_fiemap.fm_extent_count);
                req_capsule_set_size(tsi->tsi_pill, &RMF_FIEMAP_VAL,
                                     RCL_SERVER, replylen);
 
@@ -1202,13 +1201,13 @@ int ofd_get_info_hdl(struct tgt_session_info *tsi)
                if (fiemap == NULL)
                        RETURN(-ENOMEM);
 
-               *fiemap = fm_key->fiemap;
+               *fiemap = fm_key->lfik_fiemap;
                rc = ofd_fiemap_get(tsi->tsi_env, ofd, fid, fiemap);
 
                /* LU-3219: Lock the sparse areas to make sure dirty
                 * flushed back from client, then call fiemap again. */
-               if (fm_key->oa.o_valid & OBD_MD_FLFLAGS &&
-                   fm_key->oa.o_flags & OBD_FL_SRVLOCK) {
+               if (fm_key->lfik_oa.o_valid & OBD_MD_FLFLAGS &&
+                   fm_key->lfik_oa.o_flags & OBD_FL_SRVLOCK) {
                        struct list_head locked;
 
                        INIT_LIST_HEAD(&locked);
@@ -1288,7 +1287,7 @@ static int ofd_getattr_hdl(struct tgt_session_info *tsi)
        struct lustre_handle     lh = { 0 };
        struct ofd_object       *fo;
        __u64                    flags = 0;
-       ldlm_mode_t              lock_mode = LCK_PR;
+       enum ldlm_mode           lock_mode = LCK_PR;
        bool                     srvlock;
        int                      rc;
        ENTRY;
@@ -1325,8 +1324,7 @@ static int ofd_getattr_hdl(struct tgt_session_info *tsi)
                __u64    curr_version;
 
                obdo_from_la(&repbody->oa, &fti->fti_attr,
-                            OFD_VALID_FLAGS | LA_UID | LA_GID);
-               tgt_drop_id(tsi->tsi_exp, &repbody->oa);
+                            OFD_VALID_FLAGS | LA_UID | LA_GID | LA_PROJID);
 
                /* Store object version in reply */
                curr_version = dt_version_get(tsi->tsi_env,
@@ -1421,8 +1419,7 @@ static int ofd_setattr_hdl(struct tgt_session_info *tsi)
                GOTO(out_put, rc);
 
        obdo_from_la(&repbody->oa, &fti->fti_attr,
-                    OFD_VALID_FLAGS | LA_UID | LA_GID);
-       tgt_drop_id(tsi->tsi_exp, &repbody->oa);
+                    OFD_VALID_FLAGS | LA_UID | LA_GID | LA_PROJID);
 
        ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_SETATTR,
                         tsi->tsi_jobid, 1);
@@ -1468,10 +1465,10 @@ static int ofd_orphans_destroy(const struct lu_env *env,
        struct lu_fid           *fid    = &info->fti_fid;
        struct ost_id           *oi     = &oa->o_oi;
        struct ofd_seq          *oseq;
-       obd_seq                  seq    = ostid_seq(oi);
-       obd_id                   end_id = ostid_id(oi);
-       obd_id                   last;
-       obd_id                   oid;
+       u64                      seq    = ostid_seq(oi);
+       u64                      end_id = ostid_id(oi);
+       u64                      last;
+       u64                      oid;
        int                      skip_orphan;
        int                      rc     = 0;
 
@@ -1530,8 +1527,7 @@ done:
                rc = ofd_seq_last_oid_write(env, ofd, oseq);
        } else {
                /* don't reuse orphan object, return last used objid */
-               ostid_set_id(oi, last);
-               rc = 0;
+               rc = ostid_set_id(oi, last);
        }
 
        GOTO(out_put, rc);
@@ -1560,11 +1556,13 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
        struct obdo             *rep_oa;
        struct obd_export       *exp = tsi->tsi_exp;
        struct ofd_device       *ofd = ofd_exp(exp);
-       obd_seq                  seq = ostid_seq(&oa->o_oi);
-       obd_id                   oid = ostid_id(&oa->o_oi);
+       u64                      seq = ostid_seq(&oa->o_oi);
+       u64                      oid = ostid_id(&oa->o_oi);
        struct ofd_seq          *oseq;
-       int                      rc = 0, diff;
+       s64 diff;
+       int rc = 0;
        int                      sync_trans = 0;
+       long                     granted = 0;
 
        ENTRY;
 
@@ -1585,14 +1583,13 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
        rep_oa = &repbody->oa;
        rep_oa->o_oi = oa->o_oi;
 
-       LASSERT(seq >= FID_SEQ_OST_MDT0);
        LASSERT(oa->o_valid & OBD_MD_FLGROUP);
 
        CDEBUG(D_INFO, "ofd_create("DOSTID")\n", POSTID(&oa->o_oi));
 
        oseq = ofd_seq_load(tsi->tsi_env, ofd, seq);
        if (IS_ERR(oseq)) {
-               CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n",
+               CERROR("%s: Can't find FID Sequence %#llx: rc = %ld\n",
                       ofd_name(ofd), seq, PTR_ERR(oseq));
                GOTO(out_sem, rc = -EINVAL);
        }
@@ -1601,7 +1598,7 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
            (oa->o_flags & OBD_FL_RECREATE_OBJS)) {
                if (!ofd_obd(ofd)->obd_recovering ||
                    oid > ofd_seq_last_oid(oseq)) {
-                       CERROR("%s: recreate objid "DOSTID" > last id "LPU64
+                       CERROR("%s: recreate objid "DOSTID" > last id %llu"
                               "\n", ofd_name(ofd), POSTID(&oa->o_oi),
                               ofd_seq_last_oid(oseq));
                        GOTO(out_nolock, rc = -EINVAL);
@@ -1626,17 +1623,26 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
                oseq->os_destroys_in_progress = 1;
                mutex_lock(&oseq->os_create_lock);
                if (!oseq->os_destroys_in_progress) {
-                       CERROR("%s:["LPU64"] destroys_in_progress already"
+                       CERROR("%s:[%llu] destroys_in_progress already"
                               " cleared\n", ofd_name(ofd), seq);
-                       ostid_set_id(&rep_oa->o_oi, ofd_seq_last_oid(oseq));
-                       GOTO(out, rc = 0);
+                       rc = ostid_set_id(&rep_oa->o_oi,
+                                         ofd_seq_last_oid(oseq));
+                       GOTO(out, rc);
                }
                diff = oid - ofd_seq_last_oid(oseq);
-               CDEBUG(D_HA, "ofd_last_id() = "LPU64" -> diff = %d\n",
-                       ofd_seq_last_oid(oseq), diff);
+               CDEBUG(D_HA, "ofd_last_id() = %llu -> diff = %lld\n",
+                      ofd_seq_last_oid(oseq), diff);
                if (-diff > OST_MAX_PRECREATE) {
-                       /* FIXME: should reset precreate_next_id on MDS */
-                       rc = 0;
+                       LCONSOLE(D_INFO, "%s: too large difference between MDS "
+                                "LAST_ID "DFID" (%llu) and OST LAST_ID "DFID" "
+                                "(%llu), trust the OST\n",
+                                ofd_name(ofd), PFID(&oa->o_oi.oi_fid), oid,
+                                PFID(&oseq->os_oi.oi_fid),
+                                ofd_seq_last_oid(oseq));
+
+                       /* Let MDS know that we are so far ahead. */
+                       rc = ostid_set_id(&rep_oa->o_oi,
+                                         ofd_seq_last_oid(oseq) + 1);
                } else if (diff < 0) {
                        rc = ofd_orphans_destroy(tsi->tsi_env, exp,
                                                 ofd, rep_oa);
@@ -1680,23 +1686,35 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
                                       ofd_name(ofd), POSTID(&oa->o_oi));
                                GOTO(out, rc = -EINVAL);
                        }
+
+                       if (diff < 0) {
+                               /* LU-5648 */
+                               CERROR("%s: invalid precreate request for "
+                                      DOSTID", last_id %llu. "
+                                      "Likely MDS last_id corruption\n",
+                                      ofd_name(ofd), POSTID(&oa->o_oi),
+                                      ofd_seq_last_oid(oseq));
+                               GOTO(out, rc = -EINVAL);
+                       }
                }
        }
        if (diff > 0) {
                cfs_time_t       enough_time = cfs_time_shift(DISK_TIMEOUT);
-               obd_id           next_id;
+               u64              next_id;
                int              created = 0;
                int              count;
 
                if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
                    !(oa->o_flags & OBD_FL_DELORPHAN)) {
                        /* don't enforce grant during orphan recovery */
-                       rc = ofd_grant_create(tsi->tsi_env,
-                                             ofd_obd(ofd)->obd_self_export,
-                                             &diff);
-                       if (rc) {
+                       granted = tgt_grant_create(tsi->tsi_env,
+                                               ofd_obd(ofd)->obd_self_export,
+                                               &diff);
+                       if (granted < 0) {
+                               rc = granted;
+                               granted = 0;
                                CDEBUG(D_HA, "%s: failed to acquire grant "
-                                      "space for precreate (%d): rc = %d\n",
+                                      "space for precreate (%lld): rc = %d\n",
                                       ofd_name(ofd), diff, rc);
                                diff = 0;
                        }
@@ -1709,26 +1727,31 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
                 * LFSCK will eventually clean up any orphans. LU-14 */
                if (diff > 5 * OST_MAX_PRECREATE) {
                        diff = OST_MAX_PRECREATE / 2;
-                       LCONSOLE_WARN("%s: precreate FID "DOSTID" is over %u "
-                                     "larger than the LAST_ID "DOSTID", only "
-                                     "precreating the last %u objects.\n",
-                                     ofd_name(ofd), POSTID(&oa->o_oi),
-                                     5 * OST_MAX_PRECREATE,
-                                     POSTID(&oseq->os_oi), diff);
+                       LCONSOLE_WARN("%s: Too many FIDs to precreate "
+                                     "OST replaced or reformatted: "
+                                     "LFSCK will clean up",
+                                     ofd_name(ofd));
+
+                       CDEBUG(D_HA, "%s: precreate FID "DOSTID" is over "
+                              "%u larger than the LAST_ID "DOSTID", only "
+                              "precreating the last %lld objects.\n",
+                              ofd_name(ofd), POSTID(&oa->o_oi),
+                              5 * OST_MAX_PRECREATE,
+                              POSTID(&oseq->os_oi), diff);
                        ofd_seq_last_oid_set(oseq, ostid_id(&oa->o_oi) - diff);
                }
 
                while (diff > 0) {
                        next_id = ofd_seq_last_oid(oseq) + 1;
-                       count = ofd_precreate_batch(ofd, diff);
+                       count = ofd_precreate_batch(ofd, (int)diff);
 
-                       CDEBUG(D_HA, "%s: reserve %d objects in group "LPX64
-                              " at "LPU64"\n", ofd_name(ofd),
+                       CDEBUG(D_HA, "%s: reserve %d objects in group %#llx"
+                              " at %llu\n", ofd_name(ofd),
                               count, seq, next_id);
 
                        if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY)
                            && cfs_time_after(jiffies, enough_time)) {
-                               CDEBUG(D_HA, "%s: Slow creates, %d/%d objects"
+                               CDEBUG(D_HA, "%s: Slow creates, %d/%lld objects"
                                      " created at a rate of %d/s\n",
                                      ofd_name(ofd), created, diff + created,
                                      created / DISK_TIMEOUT);
@@ -1749,7 +1772,7 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
                    lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY)
                        LCONSOLE_WARN("%s: can't create the same count of"
                                      " objects when replaying the request"
-                                     " (diff is %d). see LU-4621\n",
+                                     " (diff is %lld). see LU-4621\n",
                                      ofd_name(ofd), diff);
 
                if (created > 0)
@@ -1761,11 +1784,13 @@ static int ofd_create_hdl(struct tgt_session_info *tsi)
                               ofd_name(ofd), rc);
 
                if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
-                   !(oa->o_flags & OBD_FL_DELORPHAN))
-                       ofd_grant_commit(tsi->tsi_env,
-                                        ofd_obd(ofd)->obd_self_export, rc);
+                   !(oa->o_flags & OBD_FL_DELORPHAN)) {
+                       tgt_grant_commit(ofd_obd(ofd)->obd_self_export,
+                                        granted, rc);
+                       granted = 0;
+               }
 
-               ostid_set_id(&rep_oa->o_oi, ofd_seq_last_oid(oseq));
+               rc = ostid_set_id(&rep_oa->o_oi, ofd_seq_last_oid(oseq));
        }
        EXIT;
        ofd_counter_incr(exp, LPROC_OFD_STATS_CREATE,
@@ -1810,8 +1835,8 @@ static int ofd_destroy_hdl(struct tgt_session_info *tsi)
        struct ofd_device       *ofd = ofd_exp(tsi->tsi_exp);
        struct ofd_thread_info  *fti = tsi2ofd_info(tsi);
        struct lu_fid           *fid = &fti->fti_fid;
-       obd_id                   oid;
-       obd_count                count;
+       u64                      oid;
+       u32                      count;
        int                      rc = 0;
 
        ENTRY;
@@ -2002,6 +2027,8 @@ static int ofd_punch_hdl(struct tgt_session_info *tsi)
 
        ENTRY;
 
+       OBD_FAIL_TIMEOUT(OBD_FAIL_OST_PAUSE_PUNCH, cfs_fail_val);
+
        /* check that we do support OBD_CONNECT_TRUNCLOCK. */
        CLASSERT(OST_CONNECT_SUPPORTED & OBD_CONNECT_TRUNCLOCK);
 
@@ -2038,8 +2065,8 @@ static int ofd_punch_hdl(struct tgt_session_info *tsi)
                        RETURN(rc);
        }
 
-       CDEBUG(D_INODE, "calling punch for object "DFID", valid = "LPX64
-              ", start = "LPD64", end = "LPD64"\n", PFID(&tsi->tsi_fid),
+       CDEBUG(D_INODE, "calling punch for object "DFID", valid = %#llx"
+              ", start = %lld, end = %lld\n", PFID(&tsi->tsi_fid),
               oa->o_valid, start, end);
 
        fo = ofd_object_find_exists(tsi->tsi_env, ofd_exp(tsi->tsi_exp),
@@ -2086,6 +2113,184 @@ out:
        return rc;
 }
 
+static int ofd_ladvise_prefetch(const struct lu_env *env,
+                               struct ofd_object *fo,
+                               struct niobuf_local *lnb,
+                               __u64 start, __u64 end)
+{
+       struct ofd_thread_info  *info = ofd_info(env);
+       pgoff_t                  start_index, end_index, pages;
+       struct niobuf_remote     rnb;
+       unsigned long            nr_local;
+       int                      rc = 0;
+
+       if (end <= start)
+               RETURN(-EINVAL);
+
+       ofd_read_lock(env, fo);
+       if (!ofd_object_exists(fo))
+               GOTO(out_unlock, rc = -ENOENT);
+
+       rc = ofd_attr_get(env, fo, &info->fti_attr);
+       if (rc)
+               GOTO(out_unlock, rc);
+
+       if (end > info->fti_attr.la_size)
+               end = info->fti_attr.la_size;
+
+       if (end == 0)
+               GOTO(out_unlock, rc);
+
+       /* We need page aligned offset and length */
+       start_index = start >> PAGE_SHIFT;
+       end_index = (end - 1) >> PAGE_SHIFT;
+       pages = end_index - start_index + 1;
+       while (pages > 0) {
+               nr_local = pages <= PTLRPC_MAX_BRW_PAGES ? pages :
+                       PTLRPC_MAX_BRW_PAGES;
+               rnb.rnb_offset = start_index << PAGE_SHIFT;
+               rnb.rnb_len = nr_local << PAGE_SHIFT;
+               rc = dt_bufs_get(env, ofd_object_child(fo), &rnb, lnb, 0);
+               if (unlikely(rc < 0))
+                       break;
+               nr_local = rc;
+               rc = dt_read_prep(env, ofd_object_child(fo), lnb, nr_local);
+               dt_bufs_put(env, ofd_object_child(fo), lnb, nr_local);
+               if (unlikely(rc))
+                       break;
+               start_index += nr_local;
+               pages -= nr_local;
+       }
+
+out_unlock:
+       ofd_read_unlock(env, fo);
+       RETURN(rc);
+}
+
+/**
+ * OFD request handler for OST_LADVISE RPC.
+ *
+ * Tune cache or perfetch policies according to advices.
+ *
+ * \param[in] tsi      target session environment for this request
+ *
+ * \retval             0 if successful
+ * \retval             negative errno on error
+ */
+static int ofd_ladvise_hdl(struct tgt_session_info *tsi)
+{
+       struct ptlrpc_request *req = tgt_ses_req(tsi);
+       struct obd_export *exp = tsi->tsi_exp;
+       struct ofd_device *ofd = ofd_exp(exp);
+       struct ost_body *body, *repbody;
+       struct ofd_thread_info *info;
+       struct ofd_object *fo;
+       struct ptlrpc_thread *svc_thread = req->rq_svc_thread;
+       const struct lu_env *env = svc_thread->t_env;
+       struct tgt_thread_big_cache *tbc = svc_thread->t_data;
+       int rc = 0;
+       struct lu_ladvise *ladvise;
+       int num_advise;
+       struct ladvise_hdr *ladvise_hdr;
+       struct obd_ioobj ioo;
+       struct lustre_handle lockh = { 0 };
+       __u64 flags = 0;
+       int i;
+       struct dt_object *dob;
+       __u64 start;
+       __u64 end;
+       ENTRY;
+
+       CFS_FAIL_TIMEOUT(OBD_FAIL_OST_LADVISE_PAUSE, cfs_fail_val);
+       body = tsi->tsi_ost_body;
+
+       if ((body->oa.o_valid & OBD_MD_FLID) != OBD_MD_FLID)
+               RETURN(err_serious(-EPROTO));
+
+       ladvise_hdr = req_capsule_client_get(tsi->tsi_pill,
+                                            &RMF_OST_LADVISE_HDR);
+       if (ladvise_hdr == NULL)
+               RETURN(err_serious(-EPROTO));
+
+       if (ladvise_hdr->lah_magic != LADVISE_MAGIC ||
+           ladvise_hdr->lah_count < 1)
+               RETURN(err_serious(-EPROTO));
+
+       if ((ladvise_hdr->lah_flags & (~LF_MASK)) != 0)
+               RETURN(err_serious(-EPROTO));
+
+       ladvise = req_capsule_client_get(tsi->tsi_pill, &RMF_OST_LADVISE);
+       if (ladvise == NULL)
+               RETURN(err_serious(-EPROTO));
+
+       num_advise = req_capsule_get_size(&req->rq_pill,
+                                         &RMF_OST_LADVISE, RCL_CLIENT) /
+                                         sizeof(*ladvise);
+       if (num_advise < ladvise_hdr->lah_count)
+               RETURN(err_serious(-EPROTO));
+
+       repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+       repbody->oa = body->oa;
+
+       info = ofd_info_init(env, exp);
+
+       rc = ostid_to_fid(&info->fti_fid, &body->oa.o_oi,
+                         ofd->ofd_lut.lut_lsd.lsd_osd_index);
+       if (rc != 0)
+               RETURN(rc);
+
+       fo = ofd_object_find(env, ofd, &info->fti_fid);
+       if (IS_ERR(fo)) {
+               rc = PTR_ERR(fo);
+               RETURN(rc);
+       }
+       LASSERT(fo != NULL);
+       dob = ofd_object_child(fo);
+
+       for (i = 0; i < num_advise; i++, ladvise++) {
+               start = ladvise->lla_start;
+               end = ladvise->lla_end;
+               if (end <= start) {
+                       rc = err_serious(-EPROTO);
+                       break;
+               }
+
+               /* Handle different advice types */
+               switch (ladvise->lla_advice) {
+               default:
+                       rc = -ENOTSUPP;
+                       break;
+               case LU_LADVISE_WILLREAD:
+                       if (tbc == NULL)
+                               RETURN(-ENOMEM);
+
+                       ioo.ioo_oid = body->oa.o_oi;
+                       ioo.ioo_bufcnt = 1;
+                       rc = tgt_extent_lock(exp->exp_obd->obd_namespace,
+                                            &tsi->tsi_resid, start, end - 1,
+                                            &lockh, LCK_PR, &flags);
+                       if (rc != 0)
+                               break;
+
+                       req->rq_status = ofd_ladvise_prefetch(env, fo,
+                                                             tbc->local,
+                                                             start, end);
+                       tgt_extent_unlock(&lockh, LCK_PR);
+                       break;
+               case LU_LADVISE_DONTNEED:
+                       rc = dt_ladvise(env, dob, ladvise->lla_start,
+                                       ladvise->lla_end, LU_LADVISE_DONTNEED);
+                       break;
+               }
+               if (rc != 0)
+                       break;
+       }
+
+       ofd_object_put(env, fo);
+       req->rq_status = rc;
+       RETURN(rc);
+}
+
 /**
  * OFD request handler for OST_QUOTACTL RPC.
  *
@@ -2099,8 +2304,10 @@ out:
  */
 static int ofd_quotactl(struct tgt_session_info *tsi)
 {
-       struct obd_quotactl     *oqctl, *repoqc;
-       int                      rc;
+       struct obd_quotactl *oqctl, *repoqc;
+       struct lu_nodemap *nodemap;
+       int id;
+       int rc;
 
        ENTRY;
 
@@ -2112,17 +2319,35 @@ static int ofd_quotactl(struct tgt_session_info *tsi)
        if (repoqc == NULL)
                RETURN(err_serious(-ENOMEM));
 
-       /* report success for quota on/off for interoperability with current MDT
-        * stack */
-       if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF)
-               RETURN(0);
-
        *repoqc = *oqctl;
+
+       nodemap = nodemap_get_from_exp(tsi->tsi_exp);
+       if (IS_ERR(nodemap))
+               RETURN(PTR_ERR(nodemap));
+
+       id = repoqc->qc_id;
+       if (oqctl->qc_type == USRQUOTA)
+               id = nodemap_map_id(nodemap, NODEMAP_UID,
+                                   NODEMAP_CLIENT_TO_FS,
+                                   repoqc->qc_id);
+       else if (oqctl->qc_type == GRPQUOTA)
+               id = nodemap_map_id(nodemap, NODEMAP_GID,
+                                   NODEMAP_CLIENT_TO_FS,
+                                   repoqc->qc_id);
+
+       nodemap_putref(nodemap);
+
+       if (repoqc->qc_id != id)
+               swap(repoqc->qc_id, id);
+
        rc = lquotactl_slv(tsi->tsi_env, tsi->tsi_tgt->lut_bottom, repoqc);
 
        ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_QUOTACTL,
                         tsi->tsi_jobid, 1);
 
+       if (repoqc->qc_id != id)
+               swap(repoqc->qc_id, id);
+
        RETURN(rc);
 }
 
@@ -2136,59 +2361,17 @@ static int ofd_quotactl(struct tgt_session_info *tsi)
  *
  * \retval             amount of time to extend the timeout with
  */
-static inline int prolong_timeout(struct ptlrpc_request *req,
-                                 struct ldlm_lock *lock)
+static inline int prolong_timeout(struct ptlrpc_request *req)
 {
        struct ptlrpc_service_part *svcpt = req->rq_rqbd->rqbd_svcpt;
+       time_t req_timeout;
 
        if (AT_OFF)
                return obd_timeout / 2;
 
-       /* We are in the middle of the process - BL AST is sent, CANCEL
-         is ahead. Take half of AT + IO process time. */
-       return at_est2timeout(at_get(&svcpt->scp_at_estimate)) +
-               (ldlm_bl_timeout(lock) >> 1);
-}
-
-/**
- * Prolong single lock timeout.
- *
- * This is supplemental function to the ofd_prolong_locks(). It prolongs
- * a single lock.
- *
- * \param[in] tsi      target session environment for this request
- * \param[in] lock     LDLM lock to prolong
- * \param[in] extent   related extent
- * \param[in] timeout  timeout value to add
- *
- * \retval             0 if lock is not suitable for prolongation
- * \retval             1 if lock was prolonged successfully
- */
-static int ofd_prolong_one_lock(struct tgt_session_info *tsi,
-                               struct ldlm_lock *lock,
-                               struct ldlm_extent *extent)
-{
-       int timeout = prolong_timeout(tgt_ses_req(tsi), lock);
-
-       if (lock->l_flags & LDLM_FL_DESTROYED) /* lock already cancelled */
-               return 0;
-
-       /* XXX: never try to grab resource lock here because we're inside
-        * exp_bl_list_lock; in ldlm_lockd.c to handle waiting list we take
-        * res lock and then exp_bl_list_lock. */
-
-       if (!(lock->l_flags & LDLM_FL_AST_SENT))
-               /* ignore locks not being cancelled */
-               return 0;
-
-       LDLM_DEBUG(lock, "refreshed for req x"LPU64" ext("LPU64"->"LPU64") "
-                        "to %ds.\n", tgt_ses_req(tsi)->rq_xid, extent->start,
-                        extent->end, timeout);
-
-       /* OK. this is a possible lock the user holds doing I/O
-        * let's refresh eviction timer for it */
-       ldlm_refresh_waiting_lock(lock, timeout);
-       return 1;
+       req_timeout = req->rq_deadline - req->rq_arrival_time.tv_sec;
+       return max_t(time_t, at_est2timeout(at_get(&svcpt->scp_at_estimate)),
+                    req_timeout);
 }
 
 /**
@@ -2211,25 +2394,26 @@ static int ofd_prolong_one_lock(struct tgt_session_info *tsi,
  * request may cover multiple locks.
  *
  * \param[in] tsi      target session environment for this request
- * \param[in] start    start of extent
- * \param[in] end      end of extent
+ * \param[in] data     struct of data to prolong locks
  *
- * \retval             number of prolonged locks
  */
-static int ofd_prolong_extent_locks(struct tgt_session_info *tsi,
-                                   __u64 start, __u64 end)
+static void ofd_prolong_extent_locks(struct tgt_session_info *tsi,
+                                   struct ldlm_prolong_args *data)
 {
-       struct obd_export       *exp = tsi->tsi_exp;
        struct obdo             *oa  = &tsi->tsi_ost_body->oa;
-       struct ldlm_extent       extent = {
-               .start = start,
-               .end = end
-       };
        struct ldlm_lock        *lock;
-       int                      lock_count = 0;
 
        ENTRY;
 
+       data->lpa_timeout = prolong_timeout(tgt_ses_req(tsi));
+       data->lpa_export = tsi->tsi_exp;
+       data->lpa_resid = tsi->tsi_resid;
+
+       CDEBUG(D_RPCTRACE, "Prolong locks for req %p with x%llu"
+              " ext(%llu->%llu)\n", tgt_ses_req(tsi),
+              tgt_ses_req(tsi)->rq_xid, data->lpa_extent.start,
+              data->lpa_extent.end);
+
        if (oa->o_valid & OBD_MD_FLHANDLE) {
                /* mostly a request should be covered by only one lock, try
                 * fast path. */
@@ -2237,37 +2421,21 @@ static int ofd_prolong_extent_locks(struct tgt_session_info *tsi,
                if (lock != NULL) {
                        /* Fast path to check if the lock covers the whole IO
                         * region exclusively. */
-                       if (lock->l_granted_mode == LCK_PW &&
-                           ldlm_extent_contain(&lock->l_policy_data.l_extent,
-                                               &extent)) {
+                       if (ldlm_extent_contain(&lock->l_policy_data.l_extent,
+                                               &data->lpa_extent)) {
                                /* bingo */
-                               LASSERT(lock->l_export == exp);
-                               lock_count = ofd_prolong_one_lock(tsi, lock,
-                                                                 &extent);
+                               LASSERT(lock->l_export == data->lpa_export);
+                               ldlm_lock_prolong_one(lock, data);
                                LDLM_LOCK_PUT(lock);
-                               RETURN(lock_count);
+                               RETURN_EXIT;
                        }
+                       lock->l_last_used = cfs_time_current();
                        LDLM_LOCK_PUT(lock);
                }
        }
 
-       spin_lock_bh(&exp->exp_bl_list_lock);
-       list_for_each_entry(lock, &exp->exp_bl_list, l_exp_list) {
-               LASSERT(lock->l_flags & LDLM_FL_AST_SENT);
-               LASSERT(lock->l_resource->lr_type == LDLM_EXTENT);
-
-               if (!ldlm_res_eq(&tsi->tsi_resid, &lock->l_resource->lr_name))
-                       continue;
-
-               if (!ldlm_extent_overlap(&lock->l_policy_data.l_extent,
-                                        &extent))
-                       continue;
-
-               lock_count += ofd_prolong_one_lock(tsi, lock, &extent);
-       }
-       spin_unlock_bh(&exp->exp_bl_list_lock);
-
-       RETURN(lock_count);
+       ldlm_resource_prolong(data);
+       EXIT;
 }
 
 /**
@@ -2292,11 +2460,11 @@ static int ofd_prolong_extent_locks(struct tgt_session_info *tsi,
 static int ofd_rw_hpreq_lock_match(struct ptlrpc_request *req,
                                   struct ldlm_lock *lock)
 {
-       struct niobuf_remote    *rnb;
-       struct obd_ioobj        *ioo;
-       ldlm_mode_t              mode;
-       struct ldlm_extent       ext;
-       __u32                    opc = lustre_msg_get_opc(req->rq_reqmsg);
+       struct niobuf_remote *rnb;
+       struct obd_ioobj *ioo;
+       enum ldlm_mode  mode;
+       struct ldlm_extent ext;
+       __u32 opc = lustre_msg_get_opc(req->rq_reqmsg);
 
        ENTRY;
 
@@ -2314,8 +2482,10 @@ static int ofd_rw_hpreq_lock_match(struct ptlrpc_request *req,
        if (!ostid_res_name_eq(&ioo->ioo_oid, &lock->l_resource->lr_name))
                RETURN(0);
 
-       /* a bulk write can only hold a reference on a PW extent lock */
-       mode = LCK_PW;
+       /* a bulk write can only hold a reference on a PW extent lock
+        * or GROUP lock.
+        */
+       mode = LCK_PW | LCK_GROUP;
        if (opc == OST_READ)
                /* whereas a bulk read can be protected by either a PR or PW
                 * extent lock */
@@ -2331,20 +2501,22 @@ static int ofd_rw_hpreq_lock_match(struct ptlrpc_request *req,
  * Implementation of ptlrpc_hpreq_ops::hpreq_lock_check for OFD RW requests.
  *
  * Check for whether the given PTLRPC request (\a req) is blocking
- * an LDLM lock cancel.
+ * an LDLM lock cancel. Also checks whether the request is covered by an LDLM
+ * lock.
  *
  * \param[in] req      the incoming request
  *
  * \retval             1 if \a req is blocking an LDLM lock cancel
  * \retval             0 if it is not
+ * \retval             -ESTALE if lock is not found
  */
 static int ofd_rw_hpreq_check(struct ptlrpc_request *req)
 {
        struct tgt_session_info *tsi;
        struct obd_ioobj        *ioo;
        struct niobuf_remote    *rnb;
-       __u64                    start, end;
-       int                      lock_count;
+       int opc;
+       struct ldlm_prolong_args pa = { 0 };
 
        ENTRY;
 
@@ -2356,6 +2528,9 @@ static int ofd_rw_hpreq_check(struct ptlrpc_request *req)
         * Use LASSERT below because malformed RPCs should have
         * been filtered out in tgt_hpreq_handler().
         */
+       opc = lustre_msg_get_opc(req->rq_reqmsg);
+       LASSERT(opc == OST_READ || opc == OST_WRITE);
+
        ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
        LASSERT(ioo != NULL);
 
@@ -2363,21 +2538,28 @@ static int ofd_rw_hpreq_check(struct ptlrpc_request *req)
        LASSERT(rnb != NULL);
        LASSERT(!(rnb->rnb_flags & OBD_BRW_SRVLOCK));
 
-       start = rnb->rnb_offset;
+       pa.lpa_mode = LCK_PW | LCK_GROUP;
+       if (opc == OST_READ)
+               pa.lpa_mode |= LCK_PR;
+
+       pa.lpa_extent.start = rnb->rnb_offset;
        rnb += ioo->ioo_bufcnt - 1;
-       end = rnb->rnb_offset + rnb->rnb_len - 1;
+       pa.lpa_extent.end = rnb->rnb_offset + rnb->rnb_len - 1;
 
        DEBUG_REQ(D_RPCTRACE, req, "%s %s: refresh rw locks: "DFID
-                                  " ("LPU64"->"LPU64")\n",
-                 tgt_name(tsi->tsi_tgt), current->comm,
-                 PFID(&tsi->tsi_fid), start, end);
+                 " (%llu->%llu)\n", tgt_name(tsi->tsi_tgt),
+                 current->comm, PFID(&tsi->tsi_fid), pa.lpa_extent.start,
+                 pa.lpa_extent.end);
 
-       lock_count = ofd_prolong_extent_locks(tsi, start, end);
+       ofd_prolong_extent_locks(tsi, &pa);
 
        CDEBUG(D_DLMTRACE, "%s: refreshed %u locks timeout for req %p.\n",
-              tgt_name(tsi->tsi_tgt), lock_count, req);
+              tgt_name(tsi->tsi_tgt), pa.lpa_blocks_cnt, req);
+
+       if (pa.lpa_blocks_cnt > 0)
+               RETURN(1);
 
-       RETURN(lock_count > 0);
+       RETURN(pa.lpa_locks_cnt > 0 ? 0 : -ESTALE);
 }
 
 /**
@@ -2411,6 +2593,10 @@ static int ofd_punch_hpreq_lock_match(struct ptlrpc_request *req,
                                      struct ldlm_lock *lock)
 {
        struct tgt_session_info *tsi;
+       struct obdo             *oa;
+       struct ldlm_extent       ext;
+
+       ENTRY;
 
        /* Don't use tgt_ses_info() to get session info, because lock_match()
         * can be called while request has no processing thread yet. */
@@ -2423,27 +2609,42 @@ static int ofd_punch_hpreq_lock_match(struct ptlrpc_request *req,
        LASSERT(tsi->tsi_ost_body != NULL);
        if (tsi->tsi_ost_body->oa.o_valid & OBD_MD_FLHANDLE &&
            tsi->tsi_ost_body->oa.o_handle.cookie == lock->l_handle.h_cookie)
-               return 1;
+               RETURN(1);
 
-       return 0;
+       oa = &tsi->tsi_ost_body->oa;
+       ext.start = oa->o_size;
+       ext.end   = oa->o_blocks;
+
+       LASSERT(lock->l_resource != NULL);
+       if (!ostid_res_name_eq(&oa->o_oi, &lock->l_resource->lr_name))
+               RETURN(0);
+
+       if (!(lock->l_granted_mode & (LCK_PW | LCK_GROUP)))
+               RETURN(0);
+
+       RETURN(ldlm_extent_overlap(&lock->l_policy_data.l_extent, &ext));
 }
 
 /**
  * Implementation of ptlrpc_hpreq_ops::hpreq_lock_check for OST_PUNCH request.
  *
  * High-priority queue request check for whether the given punch request
- * (\a req) is blocking an LDLM lock cancel.
+ * (\a req) is blocking an LDLM lock cancel. Also checks whether the request is
+ * covered by an LDLM lock.
+ *
+
  *
  * \param[in] req      the incoming request
  *
  * \retval             1 if \a req is blocking an LDLM lock cancel
  * \retval             0 if it is not
+ * \retval             -ESTALE if lock is not found
  */
 static int ofd_punch_hpreq_check(struct ptlrpc_request *req)
 {
        struct tgt_session_info *tsi;
        struct obdo             *oa;
-       int                      lock_count;
+       struct ldlm_prolong_args pa = { 0 };
 
        ENTRY;
 
@@ -2456,17 +2657,24 @@ static int ofd_punch_hpreq_check(struct ptlrpc_request *req)
        LASSERT(!(oa->o_valid & OBD_MD_FLFLAGS &&
                  oa->o_flags & OBD_FL_SRVLOCK));
 
+       pa.lpa_mode = LCK_PW | LCK_GROUP;
+       pa.lpa_extent.start = oa->o_size;
+       pa.lpa_extent.end   = oa->o_blocks;
+
        CDEBUG(D_DLMTRACE,
-              "%s: refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
+              "%s: refresh locks: %llu/%llu (%llu->%llu)\n",
               tgt_name(tsi->tsi_tgt), tsi->tsi_resid.name[0],
-              tsi->tsi_resid.name[1], oa->o_size, oa->o_blocks);
+              tsi->tsi_resid.name[1], pa.lpa_extent.start, pa.lpa_extent.end);
 
-       lock_count = ofd_prolong_extent_locks(tsi, oa->o_size, oa->o_blocks);
+       ofd_prolong_extent_locks(tsi, &pa);
 
        CDEBUG(D_DLMTRACE, "%s: refreshed %u locks timeout for req %p.\n",
-              tgt_name(tsi->tsi_tgt), lock_count, req);
+              tgt_name(tsi->tsi_tgt), pa.lpa_blocks_cnt, req);
+
+       if (pa.lpa_blocks_cnt > 0)
+               RETURN(1);
 
-       RETURN(lock_count > 0);
+       RETURN(pa.lpa_locks_cnt > 0 ? 0 : -ESTALE);
 }
 
 /**
@@ -2482,13 +2690,13 @@ static void ofd_punch_hpreq_fini(struct ptlrpc_request *req)
        ofd_punch_hpreq_check(req);
 }
 
-struct ptlrpc_hpreq_ops ofd_hpreq_rw = {
+static struct ptlrpc_hpreq_ops ofd_hpreq_rw = {
        .hpreq_lock_match       = ofd_rw_hpreq_lock_match,
        .hpreq_check            = ofd_rw_hpreq_check,
        .hpreq_fini             = ofd_rw_hpreq_fini
 };
 
-struct ptlrpc_hpreq_ops ofd_hpreq_punch = {
+static struct ptlrpc_hpreq_ops ofd_hpreq_punch = {
        .hpreq_lock_match       = ofd_punch_hpreq_lock_match,
        .hpreq_check            = ofd_punch_hpreq_check,
        .hpreq_fini             = ofd_punch_hpreq_fini
@@ -2517,7 +2725,9 @@ static void ofd_hp_brw(struct tgt_session_info *tsi)
                LASSERT(rnb != NULL); /* must exist after request preprocessing */
 
                /* no high priority if server lock is needed */
-               if (rnb->rnb_flags & OBD_BRW_SRVLOCK)
+               if (rnb->rnb_flags & OBD_BRW_SRVLOCK ||
+                   (lustre_msg_get_flags(tgt_ses_req(tsi)->rq_reqmsg)
+                    & MSG_REPLAY))
                        return;
        }
        tgt_ses_req(tsi)->rq_ops = &ofd_hpreq_rw;
@@ -2536,8 +2746,10 @@ static void ofd_hp_punch(struct tgt_session_info *tsi)
 {
        LASSERT(tsi->tsi_ost_body != NULL); /* must exists if we are here */
        /* no high-priority if server lock is needed */
-       if (tsi->tsi_ost_body->oa.o_valid & OBD_MD_FLFLAGS &&
-           tsi->tsi_ost_body->oa.o_flags & OBD_FL_SRVLOCK)
+       if ((tsi->tsi_ost_body->oa.o_valid & OBD_MD_FLFLAGS &&
+            tsi->tsi_ost_body->oa.o_flags & OBD_FL_SRVLOCK) ||
+           tgt_conn_flags(tsi) & OBD_CONNECT_MDS ||
+           lustre_msg_get_flags(tgt_ses_req(tsi)->rq_reqmsg) & MSG_REPLAY)
                return;
        tgt_ses_req(tsi)->rq_ops = &ofd_hpreq_punch;
 }
@@ -2585,6 +2797,7 @@ TGT_OST_HDL_HP(HABEO_CORPUS| HABEO_REFERO | MUTABOR,
                                                        ofd_hp_punch),
 TGT_OST_HDL(HABEO_CORPUS| HABEO_REFERO,        OST_SYNC,       ofd_sync_hdl),
 TGT_OST_HDL(0          | HABEO_REFERO, OST_QUOTACTL,   ofd_quotactl),
+TGT_OST_HDL(HABEO_CORPUS | HABEO_REFERO, OST_LADVISE,  ofd_ladvise_hdl),
 };
 
 static struct tgt_opc_slice ofd_common_slice[] = {
@@ -2619,6 +2832,11 @@ static struct tgt_opc_slice ofd_common_slice[] = {
                .tos_hs         = tgt_lfsck_handlers
        },
        {
+               .tos_opc_start  = SEC_FIRST_OPC,
+               .tos_opc_end    = SEC_LAST_OPC,
+               .tos_hs         = tgt_sec_ctx_handlers
+       },
+       {
                .tos_hs         = NULL
        }
 };
@@ -2648,7 +2866,6 @@ static void ofd_key_exit(const struct lu_context *ctx,
 
        info->fti_xid = 0;
        info->fti_pre_version = 0;
-       info->fti_used = 0;
 
        memset(&info->fti_attr, 0, sizeof info->fti_attr);
 }
@@ -2678,11 +2895,15 @@ struct lu_context_key ofd_thread_key = {
 static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
                     struct lu_device_type *ldt, struct lustre_cfg *cfg)
 {
-       const char              *dev = lustre_cfg_string(cfg, 0);
-       struct ofd_thread_info  *info = NULL;
-       struct obd_device       *obd;
-       struct obd_statfs       *osfs;
-       int                      rc;
+       const char *dev = lustre_cfg_string(cfg, 0);
+       struct ofd_thread_info *info = NULL;
+       struct obd_device *obd;
+       struct tg_grants_data *tgd = &m->ofd_lut.lut_tgd;
+       struct obd_statfs *osfs;
+       struct lu_fid fid;
+       struct nm_config_file *nodemap_config;
+       struct obd_device_target *obt;
+       int rc;
 
        ENTRY;
 
@@ -2696,7 +2917,8 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
        if (rc != 0)
                RETURN(rc);
 
-       obd->u.obt.obt_magic = OBT_MAGIC;
+       obt = &obd->u.obt;
+       obt->obt_magic = OBT_MAGIC;
 
        m->ofd_fmd_max_num = OFD_FMD_MAX_NUM_DEFAULT;
        m->ofd_fmd_max_age = OFD_FMD_MAX_AGE_DEFAULT;
@@ -2705,21 +2927,22 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
        m->ofd_raid_degraded = 0;
        m->ofd_syncjournal = 0;
        ofd_slc_set(m);
-       m->ofd_grant_compat_disable = 0;
+       tgd->tgd_grant_compat_disable = 0;
        m->ofd_soft_sync_limit = OFD_SOFT_SYNC_LIMIT_DEFAULT;
 
        /* statfs data */
-       spin_lock_init(&m->ofd_osfs_lock);
-       m->ofd_osfs_age = cfs_time_shift_64(-1000);
-       m->ofd_osfs_unstable = 0;
-       m->ofd_statfs_inflight = 0;
-       m->ofd_osfs_inflight = 0;
+       spin_lock_init(&tgd->tgd_osfs_lock);
+       tgd->tgd_osfs_age = cfs_time_shift_64(-1000);
+       tgd->tgd_osfs_unstable = 0;
+       tgd->tgd_statfs_inflight = 0;
+       tgd->tgd_osfs_inflight = 0;
 
        /* grant data */
-       spin_lock_init(&m->ofd_grant_lock);
-       m->ofd_tot_dirty = 0;
-       m->ofd_tot_granted = 0;
-       m->ofd_tot_pending = 0;
+       spin_lock_init(&tgd->tgd_grant_lock);
+       tgd->tgd_tot_dirty = 0;
+       tgd->tgd_tot_granted = 0;
+       tgd->tgd_tot_pending = 0;
+
        m->ofd_seq_count = 0;
        init_waitqueue_head(&m->ofd_inconsistency_thread.t_ctl_waitq);
        INIT_LIST_HEAD(&m->ofd_inconsistency_list);
@@ -2728,12 +2951,6 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
        spin_lock_init(&m->ofd_batch_lock);
        init_rwsem(&m->ofd_lastid_rwsem);
 
-       obd->u.filter.fo_fl_oss_capa = 0;
-       INIT_LIST_HEAD(&obd->u.filter.fo_capa_keys);
-       obd->u.filter.fo_capa_hash = init_capa_hash();
-       if (obd->u.filter.fo_capa_hash == NULL)
-               RETURN(-ENOMEM);
-
        m->ofd_dt_dev.dd_lu_dev.ld_ops = &ofd_lu_ops;
        m->ofd_dt_dev.dd_lu_dev.ld_obd = obd;
        /* set this lu_device to obd, because error handling need it */
@@ -2761,7 +2978,7 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
 
        info = ofd_info_init(env, NULL);
        if (info == NULL)
-               RETURN(-EFAULT);
+               GOTO(err_fini_proc, rc = -EFAULT);
 
        rc = ofd_stack_init(env, m, cfg);
        if (rc) {
@@ -2771,24 +2988,6 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
 
        ofd_procfs_add_brw_stats_symlink(m);
 
-       /* populate cached statfs data */
-       osfs = &ofd_info(env)->fti_u.osfs;
-       rc = ofd_statfs_internal(env, m, osfs, 0, NULL);
-       if (rc != 0) {
-               CERROR("%s: can't get statfs data, rc %d\n", obd->obd_name, rc);
-               GOTO(err_fini_stack, rc);
-       }
-       if (!IS_PO2(osfs->os_bsize)) {
-               CERROR("%s: blocksize (%d) is not a power of 2\n",
-                               obd->obd_name, osfs->os_bsize);
-               GOTO(err_fini_stack, rc = -EPROTO);
-       }
-       m->ofd_blockbits = fls(osfs->os_bsize) - 1;
-
-       m->ofd_precreate_batch = OFD_PRECREATE_BATCH_DEFAULT;
-       if (osfs->os_bsize * osfs->os_blocks < OFD_PRECREATE_SMALL_FS)
-               m->ofd_precreate_batch = OFD_PRECREATE_BATCH_SMALL;
-
        snprintf(info->fti_u.name, sizeof(info->fti_u.name), "%s-%s",
                 "filter"/*LUSTRE_OST_NAME*/, obd->obd_uuid.uuid);
        m->ofd_namespace = ldlm_namespace_new(obd, info->fti_u.name,
@@ -2806,15 +3005,7 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
        ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
                           "filter_ldlm_cb_client", &obd->obd_ldlm_client);
 
-       dt_conf_get(env, m->ofd_osd, &m->ofd_dt_conf);
-
-       /* Allow at most ddp_grant_reserved% of the available filesystem space
-        * to be granted to clients, so that any errors in the grant overhead
-        * calculations do not allow granting more space to clients than can be
-        * written. Assumes that in aggregate the grant overhead calculations do
-        * not have more than ddp_grant_reserved% estimation error in them. */
-       m->ofd_grant_ratio =
-               ofd_grant_ratio_conv(m->ofd_dt_conf.ddp_grant_reserved);
+       dt_conf_get(env, m->ofd_osd, &m->ofd_lut.lut_dt_conf);
 
        rc = tgt_init(env, &m->ofd_lut, obd, m->ofd_osd, ofd_common_slice,
                      OBD_FAIL_OST_ALL_REQUEST_NET,
@@ -2822,22 +3013,72 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
        if (rc)
                GOTO(err_free_ns, rc);
 
+       /* populate cached statfs data */
+       osfs = &ofd_info(env)->fti_u.osfs;
+       rc = tgt_statfs_internal(env, &m->ofd_lut, osfs, 0, NULL);
+       if (rc != 0) {
+               CERROR("%s: can't get statfs data, rc %d\n", obd->obd_name, rc);
+               GOTO(err_fini_lut, rc);
+       }
+       if (!is_power_of_2(osfs->os_bsize)) {
+               CERROR("%s: blocksize (%d) is not a power of 2\n",
+                       obd->obd_name, osfs->os_bsize);
+               GOTO(err_fini_lut, rc = -EPROTO);
+       }
+       tgd->tgd_blockbits = fls(osfs->os_bsize) - 1;
+
+       if (DT_DEF_BRW_SIZE < (1U << tgd->tgd_blockbits))
+               m->ofd_brw_size = 1U << tgd->tgd_blockbits;
+       else
+               m->ofd_brw_size = DT_DEF_BRW_SIZE;
+
+       m->ofd_cksum_types_supported = cksum_types_supported_server();
+       m->ofd_precreate_batch = OFD_PRECREATE_BATCH_DEFAULT;
+       if (osfs->os_bsize * osfs->os_blocks < OFD_PRECREATE_SMALL_FS)
+               m->ofd_precreate_batch = OFD_PRECREATE_BATCH_SMALL;
+
        rc = ofd_fs_setup(env, m, obd);
        if (rc)
                GOTO(err_fini_lut, rc);
 
-       rc = ofd_start_inconsistency_verification_thread(m);
+       fid.f_seq = FID_SEQ_LOCAL_NAME;
+       fid.f_oid = 1;
+       fid.f_ver = 0;
+       rc = local_oid_storage_init(env, m->ofd_osd, &fid,
+                                   &m->ofd_los);
        if (rc != 0)
                GOTO(err_fini_fs, rc);
 
+       nodemap_config = nm_config_file_register_tgt(env, m->ofd_osd,
+                                                    m->ofd_los);
+       if (IS_ERR(nodemap_config)) {
+               rc = PTR_ERR(nodemap_config);
+               if (rc != -EROFS)
+                       GOTO(err_fini_los, rc);
+       } else {
+               obt->obt_nodemap_config_file = nodemap_config;
+       }
+
+       rc = ofd_start_inconsistency_verification_thread(m);
+       if (rc != 0)
+               GOTO(err_fini_nm, rc);
+
+       tgt_adapt_sptlrpc_conf(&m->ofd_lut);
+
        RETURN(0);
 
+err_fini_nm:
+       nm_config_file_deregister_tgt(env, obt->obt_nodemap_config_file);
+       obt->obt_nodemap_config_file = NULL;
+err_fini_los:
+       local_oid_storage_fini(env, m->ofd_los);
+       m->ofd_los = NULL;
 err_fini_fs:
        ofd_fs_cleanup(env, m);
 err_fini_lut:
        tgt_fini(env, &m->ofd_lut);
 err_free_ns:
-       ldlm_namespace_free(m->ofd_namespace, 0, obd->obd_force);
+       ldlm_namespace_free(m->ofd_namespace, NULL, obd->obd_force);
        obd->obd_namespace = m->ofd_namespace = NULL;
 err_fini_stack:
        ofd_stack_fini(env, m, &m->ofd_osd->dd_lu_dev);
@@ -2865,6 +3106,10 @@ static void ofd_fini(const struct lu_env *env, struct ofd_device *m)
        stop.ls_flags = 0;
        lfsck_stop(env, m->ofd_osd, &stop);
        target_recovery_fini(obd);
+       if (m->ofd_namespace != NULL)
+               ldlm_namespace_free_prior(m->ofd_namespace, NULL,
+                                         d->ld_obd->obd_force);
+
        obd_exports_barrier(obd);
        obd_zombie_barrier();
 
@@ -2872,13 +3117,16 @@ static void ofd_fini(const struct lu_env *env, struct ofd_device *m)
        ofd_stop_inconsistency_verification_thread(m);
        lfsck_degister(env, m->ofd_osd);
        ofd_fs_cleanup(env, m);
+       nm_config_file_deregister_tgt(env, obd->u.obt.obt_nodemap_config_file);
+       obd->u.obt.obt_nodemap_config_file = NULL;
 
-       ofd_free_capa_keys(m);
-       cleanup_capa_hash(obd->u.filter.fo_capa_hash);
+       if (m->ofd_los != NULL) {
+               local_oid_storage_fini(env, m->ofd_los);
+               m->ofd_los = NULL;
+       }
 
        if (m->ofd_namespace != NULL) {
-               ldlm_namespace_free(m->ofd_namespace, NULL,
-                                   d->ld_obd->obd_force);
+               ldlm_namespace_free_post(m->ofd_namespace);
                d->ld_obd->obd_namespace = m->ofd_namespace = NULL;
        }
 
@@ -2995,7 +3243,7 @@ static struct lu_device_type ofd_device_type = {
  * \retval             0 if successful
  * \retval             negative value on error
  */
-int __init ofd_init(void)
+static int __init ofd_init(void)
 {
        int                             rc;
 
@@ -3020,15 +3268,16 @@ int __init ofd_init(void)
  * This function is called upon OFD module unloading.
  * It frees all related structures and unregisters OFD device type.
  */
-void __exit ofd_exit(void)
+static void __exit ofd_exit(void)
 {
        ofd_fmd_exit();
        lu_kmem_fini(ofd_caches);
        class_unregister_type(LUSTRE_OST_NAME);
 }
 
-MODULE_AUTHOR("Whamcloud, Inc. <http://www.whamcloud.com/>");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
 MODULE_DESCRIPTION("Lustre Object Filtering Device");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
 MODULE_LICENSE("GPL");
 
 module_init(ofd_init);