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LU-2275 mdt: Avoid setting positive dispositions too early
[fs/lustre-release.git] / lustre / mdt / mdt_reint.c
index 343fcc9..81e3492 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,6 +26,8 @@
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -44,9 +44,6 @@
  * Author: Yury Umanets <umka@clusterfs.com>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_MDS
 
 #include "mdt_internal.h"
 static inline void mdt_reint_init_ma(struct mdt_thread_info *info,
                                      struct md_attr *ma)
 {
-        ma->ma_lmm = req_capsule_server_get(info->mti_pill, &RMF_MDT_MD);
-        ma->ma_lmm_size = req_capsule_get_size(info->mti_pill,
-                                               &RMF_MDT_MD, RCL_SERVER);
-
-        ma->ma_cookie = req_capsule_server_get(info->mti_pill,
-                                               &RMF_LOGCOOKIES);
-        ma->ma_cookie_size = req_capsule_get_size(info->mti_pill,
-                                                  &RMF_LOGCOOKIES,
-                                                  RCL_SERVER);
-
-        ma->ma_need = MA_INODE | MA_LOV | MA_COOKIE;
+       ma->ma_need = MA_INODE;
         ma->ma_valid = 0;
 }
 
@@ -106,8 +93,8 @@ static void mdt_obj_version_get(struct mdt_thread_info *info,
 {
         LASSERT(o);
         LASSERT(mdt_object_exists(o) >= 0);
-        if (mdt_object_exists(o) > 0)
-                *version = mo_version_get(info->mti_env, mdt_object_child(o));
+       if (mdt_object_exists(o) > 0 && !mdt_object_obf(o))
+                *version = dt_version_get(info->mti_env, mdt_obj2dt(o));
         else
                 *version = ENOENT_VERSION;
         CDEBUG(D_INODE, "FID "DFID" version is "LPX64"\n",
@@ -134,19 +121,19 @@ static int mdt_version_check(struct ptlrpc_request *req,
         /** Sanity check for malformed buffers */
         if (pre_ver == NULL) {
                 CERROR("No versions in request buffer\n");
-                cfs_spin_lock(&req->rq_export->exp_lock);
-                req->rq_export->exp_vbr_failed = 1;
-                cfs_spin_unlock(&req->rq_export->exp_lock);
-                RETURN(-EOVERFLOW);
-        } else if (pre_ver[idx] != version) {
-                CDEBUG(D_INODE, "Version mismatch "LPX64" != "LPX64"\n",
-                       pre_ver[idx], version);
-                cfs_spin_lock(&req->rq_export->exp_lock);
-                req->rq_export->exp_vbr_failed = 1;
-                cfs_spin_unlock(&req->rq_export->exp_lock);
-                RETURN(-EOVERFLOW);
-        }
-        RETURN(0);
+               spin_lock(&req->rq_export->exp_lock);
+               req->rq_export->exp_vbr_failed = 1;
+               spin_unlock(&req->rq_export->exp_lock);
+               RETURN(-EOVERFLOW);
+       } else if (pre_ver[idx] != version) {
+               CDEBUG(D_INODE, "Version mismatch "LPX64" != "LPX64"\n",
+                      pre_ver[idx], version);
+               spin_lock(&req->rq_export->exp_lock);
+               req->rq_export->exp_vbr_failed = 1;
+               spin_unlock(&req->rq_export->exp_lock);
+               RETURN(-EOVERFLOW);
+       }
+       RETURN(0);
 }
 
 /**
@@ -292,6 +279,9 @@ static int mdt_md_create(struct mdt_thread_info *info)
         if (IS_ERR(parent))
                 RETURN(PTR_ERR(parent));
 
+        if (mdt_object_obf(parent))
+                GOTO(out_put_parent, rc = -EPERM);
+
         rc = mdt_version_get_check_save(info, parent, 0);
         if (rc)
                 GOTO(out_put_parent, rc);
@@ -303,14 +293,17 @@ static int mdt_md_create(struct mdt_thread_info *info)
         lname = mdt_name(info->mti_env, (char *)rr->rr_name, rr->rr_namelen);
         rc = mdt_lookup_version_check(info, parent, lname,
                                       &info->mti_tmp_fid1, 1);
-        /* -ENOENT is expected here */
-        if (rc != 0 && rc != -ENOENT)
-                GOTO(out_put_parent, rc);
+       if (rc == 0)
+               GOTO(out_put_parent, rc = -EEXIST);
 
-        /* save version of file name for replay, it must be ENOENT here */
-        mdt_enoent_version_save(info, 1);
+       /* -ENOENT is expected here */
+       if (rc != -ENOENT)
+               GOTO(out_put_parent, rc);
+
+       /* save version of file name for replay, it must be ENOENT here */
+       mdt_enoent_version_save(info, 1);
 
-        child = mdt_object_find(info->mti_env, mdt, rr->rr_fid2);
+       child = mdt_object_new(info->mti_env, mdt, rr->rr_fid2);
         if (likely(!IS_ERR(child))) {
                 struct md_object *next = mdt_object_child(parent);
 
@@ -334,16 +327,19 @@ static int mdt_md_create(struct mdt_thread_info *info)
                 info->mti_spec.sp_cr_mode =
                         mdt_dlm_mode2mdl_mode(lh->mlh_pdo_mode);
 
-                /*
-                 * Do perform lookup sanity check. We do not know if name exists
-                 * or not.
-                 */
-                info->mti_spec.sp_cr_lookup = 1;
+               /*
+                * Do not perform lookup sanity check. We know that name does
+                * not exist.
+                */
+               info->mti_spec.sp_cr_lookup = 0;
                 info->mti_spec.sp_feat = &dt_directory_features;
 
                 rc = mdo_create(info->mti_env, next, lname,
                                 mdt_object_child(child),
                                 &info->mti_spec, ma);
+               if (rc == 0)
+                       rc = mdt_attr_get_complex(info, child, ma);
+
                 if (rc == 0) {
                         /* Return fid & attr to client. */
                         if (ma->ma_valid & MA_INODE)
@@ -361,66 +357,12 @@ out_put_parent:
         RETURN(rc);
 }
 
-/* Partial request to create object only */
-static int mdt_md_mkobj(struct mdt_thread_info *info)
-{
-        struct mdt_device      *mdt = info->mti_mdt;
-        struct mdt_object      *o;
-        struct mdt_body        *repbody;
-        struct md_attr         *ma = &info->mti_attr;
-        int rc;
-        ENTRY;
-
-        DEBUG_REQ(D_INODE, mdt_info_req(info), "Partial create "DFID"",
-                  PFID(info->mti_rr.rr_fid2));
-
-        repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
-
-        o = mdt_object_find(info->mti_env, mdt, info->mti_rr.rr_fid2);
-        if (!IS_ERR(o)) {
-                struct md_object *next = mdt_object_child(o);
-
-                ma->ma_need = MA_INODE;
-                ma->ma_valid = 0;
-
-                /*
-                 * Cross-ref create can encounter already created obj in case of
-                 * recovery, just get attr in that case.
-                 */
-                if (mdt_object_exists(o) == 1) {
-                        rc = mo_attr_get(info->mti_env, next, ma);
-                } else {
-                        /*
-                         * Here, NO permission check for object_create,
-                         * such check has been done on the original MDS.
-                         */
-                        rc = mo_object_create(info->mti_env, next,
-                                              &info->mti_spec, ma);
-                }
-                if (rc == 0) {
-                        /* Return fid & attr to client. */
-                        if (ma->ma_valid & MA_INODE)
-                                mdt_pack_attr2body(info, repbody, &ma->ma_attr,
-                                                   mdt_object_fid(o));
-                }
-                mdt_object_put(info->mti_env, o);
-        } else
-                rc = PTR_ERR(o);
-
-        mdt_create_pack_capa(info, rc, o, repbody);
-        RETURN(rc);
-}
-
-/* In the raw-setattr case, we lock the child inode.
- * In the write-back case or if being called from open,
- *               the client holds a lock already.
- * We use the ATTR_FROM_OPEN (translated into MRF_SETATTR_LOCKED by
- * mdt_setattr_unpack()) flag to tell these cases apart. */
 int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo,
                  struct md_attr *ma, int flags)
 {
         struct mdt_lock_handle  *lh;
         int do_vbr = ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID|LA_FLAGS);
+        __u64 lockpart = MDS_INODELOCK_UPDATE;
         int rc;
         ENTRY;
 
@@ -430,15 +372,12 @@ int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo,
         lh = &info->mti_lh[MDT_LH_PARENT];
         mdt_lock_reg_init(lh, LCK_PW);
 
-        if (!(flags & MRF_SETATTR_LOCKED)) {
-                __u64 lockpart = MDS_INODELOCK_UPDATE;
-                if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID))
-                        lockpart |= MDS_INODELOCK_LOOKUP;
+        if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID))
+                lockpart |= MDS_INODELOCK_LOOKUP;
 
-                rc = mdt_object_lock(info, mo, lh, lockpart, MDT_LOCAL_LOCK);
-                if (rc != 0)
-                        RETURN(rc);
-        }
+        rc = mdt_object_lock(info, mo, lh, lockpart, MDT_LOCAL_LOCK);
+        if (rc != 0)
+                RETURN(rc);
 
         if (mdt_object_exists(mo) == 0)
                 GOTO(out_unlock, rc = -ENOENT);
@@ -480,9 +419,8 @@ static int mdt_reint_setattr(struct mdt_thread_info *info,
         struct mdt_export_data  *med = &req->rq_export->exp_mdt_data;
         struct mdt_file_data    *mfd;
         struct mdt_object       *mo;
-        struct md_object        *next;
         struct mdt_body         *repbody;
-        int                      som_au, rc;
+        int                      som_au, rc, rc2;
         ENTRY;
 
         DEBUG_REQ(D_INODE, req, "setattr "DFID" %x", PFID(rr->rr_fid1),
@@ -496,10 +434,13 @@ static int mdt_reint_setattr(struct mdt_thread_info *info,
         if (IS_ERR(mo))
                 GOTO(out, rc = PTR_ERR(mo));
 
+       if (mdt_object_obf(mo))
+               GOTO(out_put, rc = -EPERM);
+
         /* start a log jounal handle if needed */
         if (!(mdt_conn_flags(info) & OBD_CONNECT_SOM)) {
                 if ((ma->ma_attr.la_valid & LA_SIZE) ||
-                    (rr->rr_flags & MRF_SETATTR_LOCKED)) {
+                    (rr->rr_flags & MRF_OPEN_TRUNC)) {
                         /* Check write access for the O_TRUNC case */
                         if (mdt_write_read(mo) < 0)
                                 GOTO(out_put, rc = -ETXTBSY);
@@ -521,13 +462,13 @@ static int mdt_reint_setattr(struct mdt_thread_info *info,
                 repbody->ioepoch = mo->mot_ioepoch;
 
                 mdt_object_get(info->mti_env, mo);
-                mdt_mfd_set_mode(mfd, FMODE_TRUNC);
+                mdt_mfd_set_mode(mfd, MDS_FMODE_TRUNC);
                 mfd->mfd_object = mo;
                 mfd->mfd_xid = req->rq_xid;
 
-                cfs_spin_lock(&med->med_open_lock);
-                cfs_list_add(&mfd->mfd_list, &med->med_open_head);
-                cfs_spin_unlock(&med->med_open_lock);
+               spin_lock(&med->med_open_lock);
+               cfs_list_add(&mfd->mfd_list, &med->med_open_head);
+               spin_unlock(&med->med_open_lock);
                 repbody->handle.cookie = mfd->mfd_handle.h_cookie;
         }
 
@@ -538,42 +479,44 @@ static int mdt_reint_setattr(struct mdt_thread_info *info,
                 LASSERT(mdt_conn_flags(info) & OBD_CONNECT_SOM);
                 LASSERT(info->mti_ioepoch);
 
-                cfs_spin_lock(&med->med_open_lock);
-                mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
-                if (mfd == NULL) {
-                        cfs_spin_unlock(&med->med_open_lock);
+               spin_lock(&med->med_open_lock);
+               mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
+               if (mfd == NULL) {
+                       spin_unlock(&med->med_open_lock);
                         CDEBUG(D_INODE, "no handle for file close: "
                                "fid = "DFID": cookie = "LPX64"\n",
                                PFID(info->mti_rr.rr_fid1),
                                info->mti_ioepoch->handle.cookie);
                         GOTO(out_put, rc = -ESTALE);
                 }
-                LASSERT(mfd->mfd_mode == FMODE_SOM);
+                LASSERT(mfd->mfd_mode == MDS_FMODE_SOM);
                 LASSERT(!(info->mti_ioepoch->flags & MF_EPOCH_CLOSE));
 
                 class_handle_unhash(&mfd->mfd_handle);
                 cfs_list_del_init(&mfd->mfd_list);
-                cfs_spin_unlock(&med->med_open_lock);
-
-                /* Close the found mfd, update attributes. */
-                ma->ma_lmm_size = info->mti_mdt->mdt_max_mdsize;
-                OBD_ALLOC_LARGE(ma->ma_lmm, info->mti_mdt->mdt_max_mdsize);
-                if (ma->ma_lmm == NULL)
-                        GOTO(out_put, rc = -ENOMEM);
+               spin_unlock(&med->med_open_lock);
 
                 mdt_mfd_close(info, mfd);
-
-                OBD_FREE_LARGE(ma->ma_lmm, info->mti_mdt->mdt_max_mdsize);
-        } else {
+       } else if ((ma->ma_valid & MA_INODE) && ma->ma_attr.la_valid) {
+               LASSERT((ma->ma_valid & MA_LOV) == 0);
                 rc = mdt_attr_set(info, mo, ma, rr->rr_flags);
                 if (rc)
                         GOTO(out_put, rc);
-        }
+       } else if ((ma->ma_valid & MA_LOV) && (ma->ma_valid & MA_INODE)) {
+               struct lu_buf *buf  = &info->mti_buf;
+               LASSERT(ma->ma_attr.la_valid == 0);
+               buf->lb_buf = ma->ma_lmm;
+               buf->lb_len = ma->ma_lmm_size;
+               rc = mo_xattr_set(info->mti_env, mdt_object_child(mo),
+                                 buf, XATTR_NAME_LOV, 0);
+               if (rc)
+                       GOTO(out_put, rc);
+       } else
+               LBUG();
 
         ma->ma_need = MA_INODE;
         ma->ma_valid = 0;
-        next = mdt_object_child(mo);
-        rc = mo_attr_get(info->mti_env, next, ma);
+       rc = mdt_attr_get_complex(info, mo, ma);
         if (rc != 0)
                 GOTO(out_put, rc);
 
@@ -598,7 +541,13 @@ static int mdt_reint_setattr(struct mdt_thread_info *info,
 out_put:
         mdt_object_put(info->mti_env, mo);
 out:
-        mdt_shrink_reply(info);
+        if (rc == 0)
+               mdt_counter_incr(req, LPROC_MDT_SETATTR);
+
+        mdt_client_compatibility(info);
+        rc2 = mdt_fix_reply(info);
+        if (rc == 0)
+                rc = rc2;
         return rc;
 }
 
@@ -615,35 +564,29 @@ static int mdt_reint_create(struct mdt_thread_info *info,
         if (info->mti_dlm_req)
                 ldlm_request_cancel(mdt_info_req(info), info->mti_dlm_req, 0);
 
+       LASSERT(info->mti_rr.rr_namelen > 0);
         switch (info->mti_attr.ma_attr.la_mode & S_IFMT) {
-        case S_IFDIR:{
-                /* Cross-ref case. */
-                /* TODO: we can add LPROC_MDT_CROSS for cross-ref stats */
-                if (info->mti_cross_ref) {
-                        rc = mdt_md_mkobj(info);
-                } else {
-                        LASSERT(info->mti_rr.rr_namelen > 0);
-                        mdt_counter_incr(req->rq_export, LPROC_MDT_MKDIR);
-                        rc = mdt_md_create(info);
-                }
-                break;
-        }
+       case S_IFDIR:
+               mdt_counter_incr(req, LPROC_MDT_MKDIR);
+               break;
         case S_IFREG:
         case S_IFLNK:
         case S_IFCHR:
         case S_IFBLK:
         case S_IFIFO:
-        case S_IFSOCK:{
-                /* Special file should stay on the same node as parent. */
-                LASSERT(info->mti_rr.rr_namelen > 0);
-                mdt_counter_incr(req->rq_export, LPROC_MDT_MKNOD);
-                rc = mdt_md_create(info);
-                break;
-        }
-        default:
-                rc = err_serious(-EOPNOTSUPP);
-        }
-        RETURN(rc);
+       case S_IFSOCK:
+               /* Special file should stay on the same node as parent. */
+               mdt_counter_incr(req, LPROC_MDT_MKNOD);
+               break;
+       default:
+               CERROR("%s: Unsupported mode %o\n",
+                      mdt2obd_dev(info->mti_mdt)->obd_name,
+                      info->mti_attr.ma_attr.la_mode);
+               RETURN(err_serious(-EOPNOTSUPP));
+       }
+
+       rc = mdt_md_create(info);
+       RETURN(rc);
 }
 
 /*
@@ -675,59 +618,30 @@ static int mdt_reint_unlink(struct mdt_thread_info *info,
                 RETURN(err_serious(-ENOENT));
 
         /*
-         * step 1: lock the parent. Note, this may be child in case of
-         * remote operation denoted by ->mti_cross_ref flag.
+        * step 1: lock the parent.
          */
         parent_lh = &info->mti_lh[MDT_LH_PARENT];
-        if (info->mti_cross_ref) {
-                /*
-                 * Init reg lock for cross ref case when we need to do only
-                 * ref del locally.
-                 */
-                mdt_lock_reg_init(parent_lh, LCK_PW);
-        } else {
-                mdt_lock_pdo_init(parent_lh, LCK_PW, rr->rr_name,
-                                  rr->rr_namelen);
-        }
+       mdt_lock_pdo_init(parent_lh, LCK_PW, rr->rr_name,
+                         rr->rr_namelen);
+
         mp = mdt_object_find_lock(info, rr->rr_fid1, parent_lh,
                                   MDS_INODELOCK_UPDATE);
-        if (IS_ERR(mp)) {
-                rc = PTR_ERR(mp);
-                /* errors are possible here in cross-ref cases, see below */
-                if (info->mti_cross_ref)
-                        rc = 0;
-                GOTO(out, rc);
-        }
+       if (IS_ERR(mp))
+               GOTO(out, rc = PTR_ERR(mp));
+
+        if (mdt_object_obf(mp))
+                GOTO(out_unlock_parent, rc = -EPERM);
 
         rc = mdt_version_get_check_save(info, mp, 0);
         if (rc)
                 GOTO(out_unlock_parent, rc);
 
         mdt_reint_init_ma(info, ma);
-        if (!ma->ma_lmm || !ma->ma_cookie)
-                GOTO(out_unlock_parent, rc = -EINVAL);
-
-        if (info->mti_cross_ref) {
-                /*
-                 * Remote partial operation. It is possible that replay may
-                 * happen on parent MDT and this operation will be repeated.
-                 * Therefore the object absense is allowed case and nothing
-                 * should be done here.
-                 */
-                if (mdt_object_exists(mp) > 0) {
-                        mdt_set_capainfo(info, 0, rr->rr_fid1, BYPASS_CAPA);
-                        rc = mo_ref_del(info->mti_env,
-                                        mdt_object_child(mp), ma);
-                        if (rc == 0)
-                                mdt_handle_last_unlink(info, mp, ma);
-                } else
-                        rc = 0;
-                GOTO(out_unlock_parent, rc);
-        }
 
         /* step 2: find & lock the child */
         lname = mdt_name(info->mti_env, (char *)rr->rr_name, rr->rr_namelen);
         /* lookup child object along with version checking */
+        fid_zero(child_fid);
         rc = mdt_lookup_version_check(info, mp, lname, child_fid, 1);
         if (rc != 0)
                  GOTO(out_unlock_parent, rc);
@@ -758,13 +672,15 @@ static int mdt_reint_unlink(struct mdt_thread_info *info,
         mdt_set_capainfo(info, 1, child_fid, BYPASS_CAPA);
         rc = mdo_unlink(info->mti_env, mdt_object_child(mp),
                         mdt_object_child(mc), lname, ma);
+       if (rc == 0 && !lu_object_is_dying(&mc->mot_header))
+               rc = mdt_attr_get_complex(info, mc, ma);
         if (rc == 0)
                 mdt_handle_last_unlink(info, mc, ma);
 
         if (ma->ma_valid & MA_INODE) {
                 switch (ma->ma_attr.la_mode & S_IFMT) {
                 case S_IFDIR:
-                        mdt_counter_incr(req->rq_export, LPROC_MDT_RMDIR);
+                       mdt_counter_incr(req, LPROC_MDT_RMDIR);
                         break;
                 case S_IFREG:
                 case S_IFLNK:
@@ -772,7 +688,7 @@ static int mdt_reint_unlink(struct mdt_thread_info *info,
                 case S_IFBLK:
                 case S_IFIFO:
                 case S_IFSOCK:
-                        mdt_counter_incr(req->rq_export, LPROC_MDT_UNLINK);
+                       mdt_counter_incr(req, LPROC_MDT_UNLINK);
                         break;
                 default:
                         LASSERTF(0, "bad file type %o unlinking\n",
@@ -816,21 +732,6 @@ static int mdt_reint_link(struct mdt_thread_info *info,
         if (info->mti_dlm_req)
                 ldlm_request_cancel(req, info->mti_dlm_req, 0);
 
-        if (info->mti_cross_ref) {
-                /* MDT holding name ask us to add ref. */
-                lhs = &info->mti_lh[MDT_LH_CHILD];
-                mdt_lock_reg_init(lhs, LCK_EX);
-                ms = mdt_object_find_lock(info, rr->rr_fid1, lhs,
-                                          MDS_INODELOCK_UPDATE);
-                if (IS_ERR(ms))
-                        RETURN(PTR_ERR(ms));
-
-                mdt_set_capainfo(info, 0, rr->rr_fid1, BYPASS_CAPA);
-                rc = mo_ref_add(info->mti_env, mdt_object_child(ms), ma);
-                mdt_object_unlock_put(info, ms, lhs, rc);
-                RETURN(rc);
-        }
-
         /* Invalid case so return error immediately instead of
          * processing it */
         if (lu_fid_eq(rr->rr_fid1, rr->rr_fid2))
@@ -845,6 +746,9 @@ static int mdt_reint_link(struct mdt_thread_info *info,
         if (IS_ERR(mp))
                 RETURN(PTR_ERR(mp));
 
+        if (mdt_object_obf(mp))
+                GOTO(out_unlock_parent, rc = -EPERM);
+
         rc = mdt_version_get_check_save(info, mp, 0);
         if (rc)
                 GOTO(out_unlock_parent, rc);
@@ -888,7 +792,7 @@ static int mdt_reint_link(struct mdt_thread_info *info,
                       mdt_object_child(ms), lname, ma);
 
         if (rc == 0)
-                mdt_counter_incr(req->rq_export, LPROC_MDT_LINK);
+               mdt_counter_incr(req, LPROC_MDT_LINK);
 
         EXIT;
 out_unlock_child:
@@ -929,87 +833,13 @@ static int mdt_pdir_hash_lock(struct mdt_thread_info *info,
         return rc;
 }
 
-/* partial operation for rename */
-static int mdt_reint_rename_tgt(struct mdt_thread_info *info)
-{
-        struct mdt_reint_record *rr = &info->mti_rr;
-        struct ptlrpc_request   *req = mdt_info_req(info);
-        struct md_attr          *ma = &info->mti_attr;
-        struct mdt_object       *mtgtdir;
-        struct mdt_object       *mtgt = NULL;
-        struct mdt_lock_handle  *lh_tgtdir;
-        struct mdt_lock_handle  *lh_tgt = NULL;
-        struct lu_fid           *tgt_fid = &info->mti_tmp_fid1;
-        struct lu_name          *lname;
-        int                      rc;
-        ENTRY;
-
-        DEBUG_REQ(D_INODE, req, "rename_tgt: insert (%s->"DFID") in "DFID,
-                  rr->rr_tgt, PFID(rr->rr_fid2), PFID(rr->rr_fid1));
-
-        /* step 1: lookup & lock the tgt dir. */
-        lh_tgtdir = &info->mti_lh[MDT_LH_PARENT];
-        mdt_lock_pdo_init(lh_tgtdir, LCK_PW, rr->rr_tgt,
-                          rr->rr_tgtlen);
-        mtgtdir = mdt_object_find_lock(info, rr->rr_fid1, lh_tgtdir,
-                                       MDS_INODELOCK_UPDATE);
-        if (IS_ERR(mtgtdir))
-                RETURN(PTR_ERR(mtgtdir));
-
-        /* step 2: find & lock the target object if exists. */
-        mdt_set_capainfo(info, 0, rr->rr_fid1, BYPASS_CAPA);
-        lname = mdt_name(info->mti_env, (char *)rr->rr_tgt, rr->rr_tgtlen);
-        rc = mdo_lookup(info->mti_env, mdt_object_child(mtgtdir),
-                        lname, tgt_fid, &info->mti_spec);
-        if (rc != 0 && rc != -ENOENT) {
-                GOTO(out_unlock_tgtdir, rc);
-        } else if (rc == 0) {
-                /*
-                 * In case of replay that name can be already inserted, check
-                 * that and do nothing if so.
-                 */
-                if (lu_fid_eq(tgt_fid, rr->rr_fid2))
-                        GOTO(out_unlock_tgtdir, rc);
-
-                lh_tgt = &info->mti_lh[MDT_LH_CHILD];
-                mdt_lock_reg_init(lh_tgt, LCK_EX);
-
-                mtgt = mdt_object_find_lock(info, tgt_fid, lh_tgt,
-                                            MDS_INODELOCK_LOOKUP);
-                if (IS_ERR(mtgt))
-                        GOTO(out_unlock_tgtdir, rc = PTR_ERR(mtgt));
-
-                mdt_reint_init_ma(info, ma);
-                if (!ma->ma_lmm || !ma->ma_cookie)
-                        GOTO(out_unlock_tgt, rc = -EINVAL);
-
-                rc = mdo_rename_tgt(info->mti_env, mdt_object_child(mtgtdir),
-                                    mdt_object_child(mtgt), rr->rr_fid2,
-                                    lname, ma);
-        } else /* -ENOENT */ {
-                rc = mdo_name_insert(info->mti_env, mdt_object_child(mtgtdir),
-                                     lname, rr->rr_fid2, ma);
-        }
-
-        /* handle last link of tgt object */
-        if (rc == 0 && mtgt)
-                mdt_handle_last_unlink(info, mtgt, ma);
-
-        EXIT;
-out_unlock_tgt:
-        if (mtgt)
-                mdt_object_unlock_put(info, mtgt, lh_tgt, rc);
-out_unlock_tgtdir:
-        mdt_object_unlock_put(info, mtgtdir, lh_tgtdir, rc);
-        return rc;
-}
-
 static int mdt_rename_lock(struct mdt_thread_info *info,
                            struct lustre_handle *lh)
 {
         struct ldlm_namespace *ns     = info->mti_mdt->mdt_namespace;
         ldlm_policy_data_t    *policy = &info->mti_policy;
         struct ldlm_res_id    *res_id = &info->mti_res_id;
+       __u64                  flags = 0;
         struct md_site        *ms;
         int rc;
         ENTRY;
@@ -1021,7 +851,7 @@ static int mdt_rename_lock(struct mdt_thread_info *info,
         policy->l_inodebits.bits = MDS_INODELOCK_UPDATE;
 
         if (ms->ms_control_exp == NULL) {
-                int flags = LDLM_FL_LOCAL_ONLY | LDLM_FL_ATOMIC_CB;
+               flags = LDLM_FL_LOCAL_ONLY | LDLM_FL_ATOMIC_CB;
 
                 /*
                  * Current node is controller, that is mdt0, where we should
@@ -1030,19 +860,19 @@ static int mdt_rename_lock(struct mdt_thread_info *info,
                 rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
                                             LCK_EX, &flags, ldlm_blocking_ast,
                                             ldlm_completion_ast, NULL, NULL, 0,
-                                            &info->mti_exp->exp_handle.h_cookie,
+                                           LVB_T_NONE,
+                                           &info->mti_exp->exp_handle.h_cookie,
                                             lh);
         } else {
                 struct ldlm_enqueue_info einfo = { LDLM_IBITS, LCK_EX,
                      ldlm_blocking_ast, ldlm_completion_ast, NULL, NULL, NULL };
-                int flags = 0;
-
                 /*
                  * This is the case mdt0 is remote node, issue DLM lock like
                  * other clients.
                  */
                 rc = ldlm_cli_enqueue(ms->ms_control_exp, NULL, &einfo, res_id,
-                                      policy, &flags, NULL, 0, lh, 0);
+                                     policy, &flags, NULL, 0, LVB_T_NONE, lh,
+                                     0);
         }
 
         RETURN(rc);
@@ -1122,11 +952,6 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
         if (info->mti_dlm_req)
                 ldlm_request_cancel(req, info->mti_dlm_req, 0);
 
-        if (info->mti_cross_ref) {
-                rc = mdt_reint_rename_tgt(info);
-                RETURN(rc);
-        }
-
         DEBUG_REQ(D_INODE, req, "rename "DFID"/%s to "DFID"/%s",
                   PFID(rr->rr_fid1), rr->rr_name,
                   PFID(rr->rr_fid2), rr->rr_tgt);
@@ -1148,6 +973,9 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
         if (IS_ERR(msrcdir))
                 GOTO(out_rename_lock, rc = PTR_ERR(msrcdir));
 
+        if (mdt_object_obf(msrcdir))
+                GOTO(out_unlock_source, rc = -EPERM);
+
         rc = mdt_version_get_check_save(info, msrcdir, 0);
         if (rc)
                 GOTO(out_unlock_source, rc);
@@ -1172,6 +1000,9 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
                 if (IS_ERR(mtgtdir))
                         GOTO(out_unlock_source, rc = PTR_ERR(mtgtdir));
 
+                if (mdt_object_obf(mtgtdir))
+                        GOTO(out_put_target, rc = -EPERM);
+
                 /* check early, the real version will be saved after locking */
                 rc = mdt_version_get_check(info, mtgtdir, 1);
                 if (rc)
@@ -1195,6 +1026,7 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
         /* step 3: find & lock the old object. */
         lname = mdt_name(info->mti_env, (char *)rr->rr_name, rr->rr_namelen);
         mdt_name_copy(&slname, lname);
+        fid_zero(old_fid);
         rc = mdt_lookup_version_check(info, msrcdir, &slname, old_fid, 2);
         if (rc != 0)
                 GOTO(out_unlock_target, rc);
@@ -1206,6 +1038,11 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
         if (IS_ERR(mold))
                 GOTO(out_unlock_target, rc = PTR_ERR(mold));
 
+       if (mdt_object_obf(mold)) {
+               mdt_object_put(info->mti_env, mold);
+               GOTO(out_unlock_target, rc = -EPERM);
+       }
+
         lh_oldp = &info->mti_lh[MDT_LH_OLD];
         mdt_lock_reg_init(lh_oldp, LCK_EX);
         rc = mdt_object_lock(info, mold, lh_oldp, MDS_INODELOCK_LOOKUP,
@@ -1224,6 +1061,7 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
         /* new target object may not exist now */
         lname = mdt_name(info->mti_env, (char *)rr->rr_tgt, rr->rr_tgtlen);
         /* lookup with version checking */
+        fid_zero(new_fid);
         rc = mdt_lookup_version_check(info, mtgtdir, lname, new_fid, 3);
         if (rc == 0) {
                 /* the new_fid should have been filled at this moment */
@@ -1239,6 +1077,11 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
                 if (IS_ERR(mnew))
                         GOTO(out_unlock_old, rc = PTR_ERR(mnew));
 
+               if (mdt_object_obf(mnew)) {
+                       mdt_object_put(info->mti_env, mnew);
+                       GOTO(out_unlock_old, rc = -EPERM);
+               }
+
                 rc = mdt_object_lock(info, mnew, lh_newp,
                                      MDS_INODELOCK_FULL, MDT_CROSS_LOCK);
                 if (rc != 0) {
@@ -1256,8 +1099,6 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
 
         /* step 5: rename it */
         mdt_reint_init_ma(info, ma);
-        if (!ma->ma_lmm || !ma->ma_cookie)
-                GOTO(out_unlock_new, rc = -EINVAL);
 
         mdt_fail_write(info->mti_env, info->mti_mdt->mdt_bottom,
                        OBD_FAIL_MDS_REINT_RENAME_WRITE);
@@ -1275,9 +1116,12 @@ static int mdt_reint_rename(struct mdt_thread_info *info,
 
         /* handle last link of tgt object */
         if (rc == 0) {
-                mdt_counter_incr(req->rq_export, LPROC_MDT_RENAME);
+               mdt_counter_incr(req, LPROC_MDT_RENAME);
                 if (mnew)
                         mdt_handle_last_unlink(info, mnew, ma);
+
+               mdt_rename_counter_tally(info, info->mti_mdt, req,
+                                         msrcdir, mtgtdir);
         }
 
         EXIT;