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LU-4429 llite: fix open lock matching in ll_md_blocking_ast()
[fs/lustre-release.git] / lustre / llite / file.c
index 648b40a..f726ff2 100644 (file)
@@ -119,8 +119,9 @@ out:
 }
 
 static int ll_close_inode_openhandle(struct obd_export *md_exp,
-                                     struct inode *inode,
-                                     struct obd_client_handle *och)
+                                    struct inode *inode,
+                                    struct obd_client_handle *och,
+                                    const __u64 *data_version)
 {
         struct obd_export *exp = ll_i2mdexp(inode);
         struct md_op_data *op_data;
@@ -144,7 +145,14 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp,
         if (op_data == NULL)
                 GOTO(out, rc = -ENOMEM); // XXX We leak openhandle and request here.
 
-        ll_prepare_close(inode, op_data, och);
+       ll_prepare_close(inode, op_data, och);
+       if (data_version != NULL) {
+               /* Pass in data_version implies release. */
+               op_data->op_bias |= MDS_HSM_RELEASE;
+               op_data->op_data_version = *data_version;
+               op_data->op_lease_handle = och->och_lease_handle;
+               op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
+       }
         epoch_close = (op_data->op_flags & MF_EPOCH_CLOSE);
         rc = md_close(md_exp, op_data, och->och_mod, &req);
         if (rc == -EAGAIN) {
@@ -154,14 +162,17 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp,
                  * OSTs and send setattr to back to MDS. */
                 rc = ll_som_update(inode, op_data);
                 if (rc) {
-                        CERROR("inode %lu mdc Size-on-MDS update failed: "
-                               "rc = %d\n", inode->i_ino, rc);
-                        rc = 0;
-                }
-        } else if (rc) {
-                CERROR("inode %lu mdc close failed: rc = %d\n",
-                       inode->i_ino, rc);
-        }
+                       CERROR("%s: inode "DFID" mdc Size-on-MDS update"
+                              " failed: rc = %d\n",
+                              ll_i2mdexp(inode)->exp_obd->obd_name,
+                              PFID(ll_inode2fid(inode)), rc);
+                       rc = 0;
+               }
+       } else if (rc) {
+               CERROR("%s: inode "DFID" mdc close failed: rc = %d\n",
+                      ll_i2mdexp(inode)->exp_obd->obd_name,
+                      PFID(ll_inode2fid(inode)), rc);
+       }
 
        /* DATA_MODIFIED flag was successfully sent on close, cancel data
         * modification flag. */
@@ -173,15 +184,23 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp,
                spin_unlock(&lli->lli_lock);
        }
 
-        ll_finish_md_op_data(op_data);
-
         if (rc == 0) {
                 rc = ll_objects_destroy(req, inode);
                 if (rc)
-                        CERROR("inode %lu ll_objects destroy: rc = %d\n",
-                               inode->i_ino, rc);
+                       CERROR("%s: inode "DFID
+                              " ll_objects destroy: rc = %d\n",
+                              ll_i2mdexp(inode)->exp_obd->obd_name,
+                              PFID(ll_inode2fid(inode)), rc);
         }
 
+       if (rc == 0 && op_data->op_bias & MDS_HSM_RELEASE) {
+               struct mdt_body *body;
+               body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+               if (!(body->valid & OBD_MD_FLRELEASED))
+                       rc = -EBUSY;
+       }
+
+        ll_finish_md_op_data(op_data);
         EXIT;
 out:
 
@@ -199,44 +218,47 @@ out:
         return rc;
 }
 
-int ll_md_real_close(struct inode *inode, int flags)
+int ll_md_real_close(struct inode *inode, fmode_t fmode)
 {
-        struct ll_inode_info *lli = ll_i2info(inode);
-        struct obd_client_handle **och_p;
-        struct obd_client_handle *och;
-        __u64 *och_usecount;
-        int rc = 0;
-        ENTRY;
+       struct ll_inode_info *lli = ll_i2info(inode);
+       struct obd_client_handle **och_p;
+       struct obd_client_handle *och;
+       __u64 *och_usecount;
+       int rc = 0;
+       ENTRY;
 
-        if (flags & FMODE_WRITE) {
-                och_p = &lli->lli_mds_write_och;
-                och_usecount = &lli->lli_open_fd_write_count;
-        } else if (flags & FMODE_EXEC) {
-                och_p = &lli->lli_mds_exec_och;
-                och_usecount = &lli->lli_open_fd_exec_count;
-        } else {
-                LASSERT(flags & FMODE_READ);
-                och_p = &lli->lli_mds_read_och;
-                och_usecount = &lli->lli_open_fd_read_count;
-        }
+       if (fmode & FMODE_WRITE) {
+               och_p = &lli->lli_mds_write_och;
+               och_usecount = &lli->lli_open_fd_write_count;
+       } else if (fmode & FMODE_EXEC) {
+               och_p = &lli->lli_mds_exec_och;
+               och_usecount = &lli->lli_open_fd_exec_count;
+       } else {
+               LASSERT(fmode & FMODE_READ);
+               och_p = &lli->lli_mds_read_och;
+               och_usecount = &lli->lli_open_fd_read_count;
+       }
 
        mutex_lock(&lli->lli_och_mutex);
-        if (*och_usecount) { /* There are still users of this handle, so
-                                skip freeing it. */
+       if (*och_usecount > 0) {
+               /* There are still users of this handle, so skip
+                * freeing it. */
                mutex_unlock(&lli->lli_och_mutex);
-                RETURN(0);
-        }
-        och=*och_p;
-        *och_p = NULL;
+               RETURN(0);
+       }
+
+       och = *och_p;
+       *och_p = NULL;
        mutex_unlock(&lli->lli_och_mutex);
 
-        if (och) { /* There might be a race and somebody have freed this och
-                      already */
-                rc = ll_close_inode_openhandle(ll_i2sbi(inode)->ll_md_exp,
-                                               inode, och);
-        }
+       if (och != NULL) {
+               /* There might be a race and this handle may already
+                * be closed. */
+               rc = ll_close_inode_openhandle(ll_i2sbi(inode)->ll_md_exp,
+                                              inode, och, NULL);
+       }
 
-        RETURN(rc);
+       RETURN(rc);
 }
 
 int ll_md_close(struct obd_export *md_exp, struct inode *inode,
@@ -264,7 +286,7 @@ int ll_md_close(struct obd_export *md_exp, struct inode *inode,
        }
 
        if (fd->fd_och != NULL) {
-               rc = ll_close_inode_openhandle(md_exp, inode, fd->fd_och);
+               rc = ll_close_inode_openhandle(md_exp, inode, fd->fd_och, NULL);
                fd->fd_och = NULL;
                GOTO(out, rc);
        }
@@ -273,7 +295,7 @@ int ll_md_close(struct obd_export *md_exp, struct inode *inode,
            we can skip talking to MDS */
         if (file->f_dentry->d_inode) { /* Can this ever be false? */
                 int lockmode;
-                int flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_TEST_LOCK;
+               __u64 flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_TEST_LOCK;
                 struct lustre_handle lockh;
                 struct inode *inode = file->f_dentry->d_inode;
                 ldlm_policy_data_t policy = {.l_inodebits={MDS_INODELOCK_OPEN}};
@@ -326,21 +348,21 @@ int ll_file_release(struct inode *inode, struct file *file)
         int rc;
         ENTRY;
 
-        CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
-               inode->i_generation, inode);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n",
+              PFID(ll_inode2fid(inode)), inode);
 
 #ifdef CONFIG_FS_POSIX_ACL
-        if (sbi->ll_flags & LL_SBI_RMT_CLIENT &&
-            inode == inode->i_sb->s_root->d_inode) {
-                struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
-
-                LASSERT(fd != NULL);
-                if (unlikely(fd->fd_flags & LL_FILE_RMTACL)) {
-                        fd->fd_flags &= ~LL_FILE_RMTACL;
-                        rct_del(&sbi->ll_rct, cfs_curproc_pid());
-                        et_search_free(&sbi->ll_et, cfs_curproc_pid());
-                }
-        }
+       if (sbi->ll_flags & LL_SBI_RMT_CLIENT &&
+           inode == inode->i_sb->s_root->d_inode) {
+               struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
+
+               LASSERT(fd != NULL);
+               if (unlikely(fd->fd_flags & LL_FILE_RMTACL)) {
+                       fd->fd_flags &= ~LL_FILE_RMTACL;
+                       rct_del(&sbi->ll_rct, current_pid());
+                       et_search_free(&sbi->ll_et, current_pid());
+               }
+       }
 #endif
 
         if (inode->i_sb->s_root != file->f_dentry)
@@ -379,6 +401,8 @@ static int ll_intent_file_open(struct file *file, void *lmm,
 {
         struct ll_sb_info *sbi = ll_i2sbi(file->f_dentry->d_inode);
         struct dentry *parent = file->f_dentry->d_parent;
+        const char *name = file->f_dentry->d_name.name;
+        const int len = file->f_dentry->d_name.len;
         struct md_op_data *op_data;
         struct ptlrpc_request *req;
         __u32 opc = LUSTRE_OPC_ANY;
@@ -403,10 +427,9 @@ static int ll_intent_file_open(struct file *file, void *lmm,
                         opc = LUSTRE_OPC_CREATE;
         }
 
-       op_data  = ll_prep_md_op_data(NULL, parent->d_inode,
-                                     file->f_dentry->d_inode, NULL, 0,
-                                     O_RDWR, opc, NULL);
-
+        op_data  = ll_prep_md_op_data(NULL, parent->d_inode,
+                                      file->f_dentry->d_inode, name, len,
+                                      O_RDWR, opc, NULL);
         if (IS_ERR(op_data))
                 RETURN(PTR_ERR(op_data));
 
@@ -440,8 +463,7 @@ static int ll_intent_file_open(struct file *file, void *lmm,
                                  itp, NULL);
 
 out:
-        ptlrpc_req_finished(itp->d.lustre.it_data);
-        it_clear_disposition(itp, DISP_ENQ_COMPLETE);
+       ptlrpc_req_finished(req);
         ll_intent_drop_lock(itp);
 
         RETURN(rc);
@@ -474,7 +496,7 @@ static int ll_och_fill(struct obd_export *md_exp, struct lookup_intent *it,
        och->och_magic = OBD_CLIENT_HANDLE_MAGIC;
        och->och_flags = it->it_flags;
 
-       return md_set_open_replay_data(md_exp, och, req);
+       return md_set_open_replay_data(md_exp, och, it);
 }
 
 int ll_local_open(struct file *file, struct lookup_intent *it,
@@ -532,8 +554,8 @@ int ll_file_open(struct inode *inode, struct file *file)
         int rc = 0, opendir_set = 0;
         ENTRY;
 
-        CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), flags %o\n", inode->i_ino,
-               inode->i_generation, inode, file->f_flags);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), flags %o\n",
+              PFID(ll_inode2fid(inode)), inode, file->f_flags);
 
         it = file->private_data; /* XXX: compat macro */
         file->private_data = NULL; /* prevent ll_local_open assertion */
@@ -548,7 +570,7 @@ int ll_file_open(struct inode *inode, struct file *file)
                if (lli->lli_opendir_key == NULL && lli->lli_sai == NULL &&
                    lli->lli_opendir_pid == 0) {
                        lli->lli_opendir_key = fd;
-                       lli->lli_opendir_pid = cfs_curproc_pid();
+                       lli->lli_opendir_pid = current_pid();
                        opendir_set = 1;
                }
                spin_unlock(&lli->lli_sa_lock);
@@ -650,16 +672,18 @@ restart:
                  * (bug 3430) */
                 /* XXX (green): Should not we bail out on any error here, not
                  * just open error? */
-                rc = it_open_error(DISP_OPEN_OPEN, it);
-                if (rc)
-                        GOTO(out_och_free, rc);
+               rc = it_open_error(DISP_OPEN_OPEN, it);
+               if (rc != 0)
+                       GOTO(out_och_free, rc);
 
-                LASSERT(it_disposition(it, DISP_ENQ_OPEN_REF));
+               LASSERTF(it_disposition(it, DISP_ENQ_OPEN_REF),
+                        "inode %p: disposition %x, status %d\n", inode,
+                        it_disposition(it, ~0), it->d.lustre.it_status);
 
-                rc = ll_local_open(file, it, fd, *och_p);
-                if (rc)
-                        GOTO(out_och_free, rc);
-        }
+               rc = ll_local_open(file, it, fd, *och_p);
+               if (rc)
+                       GOTO(out_och_free, rc);
+       }
        mutex_unlock(&lli->lli_och_mutex);
         fd = NULL;
 
@@ -734,7 +758,7 @@ static int ll_md_blocking_lease_ast(struct ldlm_lock *lock,
  * Acquire a lease and open the file.
  */
 struct obd_client_handle *ll_lease_open(struct inode *inode, struct file *file,
-                                       fmode_t fmode)
+                                       fmode_t fmode, __u64 open_flags)
 {
        struct lookup_intent it = { .it_op = IT_OPEN };
        struct ll_sb_info *sbi = ll_i2sbi(inode);
@@ -803,7 +827,8 @@ struct obd_client_handle *ll_lease_open(struct inode *inode, struct file *file,
        /* To tell the MDT this openhandle is from the same owner */
        op_data->op_handle = old_handle;
 
-       it.it_flags = fmode | MDS_OPEN_LOCK | MDS_OPEN_BY_FID | MDS_OPEN_LEASE;
+       it.it_flags = fmode | open_flags;
+       it.it_flags |= MDS_OPEN_LOCK | MDS_OPEN_BY_FID | MDS_OPEN_LEASE;
        rc = md_intent_lock(sbi->ll_md_exp, op_data, NULL, 0, &it, 0, &req,
                                ll_md_blocking_lease_ast,
        /* LDLM_FL_NO_LRU: To not put the lease lock into LRU list, otherwise
@@ -814,10 +839,7 @@ struct obd_client_handle *ll_lease_open(struct inode *inode, struct file *file,
         * doesn't deal with openhandle, so normal openhandle will be leaked. */
                                LDLM_FL_NO_LRU | LDLM_FL_EXCL);
        ll_finish_md_op_data(op_data);
-       if (req != NULL) {
-               ptlrpc_req_finished(req);
-               it_clear_disposition(&it, DISP_ENQ_COMPLETE);
-       }
+       ptlrpc_req_finished(req);
        if (rc < 0)
                GOTO(out_release_it, rc);
 
@@ -849,20 +871,24 @@ struct obd_client_handle *ll_lease_open(struct inode *inode, struct file *file,
        RETURN(och);
 
 out_close:
-       rc2 = ll_close_inode_openhandle(sbi->ll_md_exp, inode, och);
-       if (rc2)
-               CERROR("Close openhandle returned %d\n", rc2);
-
-       /* cancel open lock */
+       /* Cancel open lock */
        if (it.d.lustre.it_lock_mode != 0) {
                ldlm_lock_decref_and_cancel(&och->och_lease_handle,
-                                               it.d.lustre.it_lock_mode);
+                                           it.d.lustre.it_lock_mode);
                it.d.lustre.it_lock_mode = 0;
+               och->och_lease_handle.cookie = 0ULL;
        }
+       rc2 = ll_close_inode_openhandle(sbi->ll_md_exp, inode, och, NULL);
+       if (rc2 < 0)
+               CERROR("%s: error closing file "DFID": %d\n",
+                      ll_get_fsname(inode->i_sb, NULL, 0),
+                      PFID(&ll_i2info(inode)->lli_fid), rc2);
+       och = NULL; /* och has been freed in ll_close_inode_openhandle() */
 out_release_it:
        ll_intent_release(&it);
 out:
-       OBD_FREE_PTR(och);
+       if (och != NULL)
+               OBD_FREE_PTR(och);
        RETURN(ERR_PTR(rc));
 }
 EXPORT_SYMBOL(ll_lease_open);
@@ -884,7 +910,7 @@ int ll_lease_close(struct obd_client_handle *och, struct inode *inode,
                lock_res_and_lock(lock);
                cancelled = ldlm_is_cancel(lock);
                unlock_res_and_lock(lock);
-               ldlm_lock_put(lock);
+               LDLM_LOCK_PUT(lock);
        }
 
        CDEBUG(D_INODE, "lease for "DFID" broken? %d\n",
@@ -895,15 +921,16 @@ int ll_lease_close(struct obd_client_handle *och, struct inode *inode,
        if (lease_broken != NULL)
                *lease_broken = cancelled;
 
-       rc = ll_close_inode_openhandle(ll_i2sbi(inode)->ll_md_exp, inode, och);
+       rc = ll_close_inode_openhandle(ll_i2sbi(inode)->ll_md_exp, inode, och,
+                                      NULL);
        RETURN(rc);
 }
 EXPORT_SYMBOL(ll_lease_close);
 
 /* Fills the obdo with the attributes for the lsm */
 static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
-                          struct obd_capa *capa, struct obdo *obdo,
-                          __u64 ioepoch, int sync)
+                         struct obd_capa *capa, struct obdo *obdo,
+                         __u64 ioepoch, int dv_flags)
 {
         struct ptlrpc_request_set *set;
         struct obd_info            oinfo = { { { 0 } } };
@@ -925,10 +952,12 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
                                OBD_MD_FLGROUP | OBD_MD_FLEPOCH |
                                OBD_MD_FLDATAVERSION;
         oinfo.oi_capa = capa;
-        if (sync) {
-                oinfo.oi_oa->o_valid |= OBD_MD_FLFLAGS;
-                oinfo.oi_oa->o_flags |= OBD_FL_SRVLOCK;
-        }
+       if (dv_flags & (LL_DV_WR_FLUSH | LL_DV_RD_FLUSH)) {
+               oinfo.oi_oa->o_valid |= OBD_MD_FLFLAGS;
+               oinfo.oi_oa->o_flags |= OBD_FL_SRVLOCK;
+               if (dv_flags & LL_DV_WR_FLUSH)
+                       oinfo.oi_oa->o_flags |= OBD_FL_FLUSH;
+       }
 
         set = ptlrpc_prep_set();
         if (set == NULL) {
@@ -940,12 +969,17 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
                         rc = ptlrpc_set_wait(set);
                 ptlrpc_set_destroy(set);
         }
-        if (rc == 0)
-                oinfo.oi_oa->o_valid &= (OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ |
-                                         OBD_MD_FLATIME | OBD_MD_FLMTIME |
-                                         OBD_MD_FLCTIME | OBD_MD_FLSIZE |
-                                         OBD_MD_FLDATAVERSION);
-        RETURN(rc);
+       if (rc == 0) {
+               oinfo.oi_oa->o_valid &= (OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ |
+                                        OBD_MD_FLATIME | OBD_MD_FLMTIME |
+                                        OBD_MD_FLCTIME | OBD_MD_FLSIZE |
+                                        OBD_MD_FLDATAVERSION | OBD_MD_FLFLAGS);
+               if (dv_flags & LL_DV_WR_FLUSH &&
+                   !(oinfo.oi_oa->o_valid & OBD_MD_FLFLAGS &&
+                     oinfo.oi_oa->o_flags & OBD_FL_FLUSH))
+                       RETURN(-ENOTSUPP);
+       }
+       RETURN(rc);
 }
 
 /**
@@ -962,7 +996,7 @@ int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
 
        lsm = ccc_inode_lsm_get(inode);
        rc = ll_lsm_getattr(lsm, ll_i2dtexp(inode),
-                           capa, obdo, ioepoch, sync);
+                               capa, obdo, ioepoch, sync ? LL_DV_RD_FLUSH : 0);
        capa_put(capa);
        if (rc == 0) {
                struct ost_id *oi = lsm ? &lsm->lsm_oi : &obdo->o_oi;
@@ -1039,6 +1073,33 @@ int ll_glimpse_ioctl(struct ll_sb_info *sbi, struct lov_stripe_md *lsm,
         return rc;
 }
 
+static bool file_is_noatime(const struct file *file)
+{
+       const struct vfsmount *mnt = file->f_path.mnt;
+       const struct inode *inode = file->f_path.dentry->d_inode;
+
+       /* Adapted from file_accessed() and touch_atime().*/
+       if (file->f_flags & O_NOATIME)
+               return true;
+
+       if (inode->i_flags & S_NOATIME)
+               return true;
+
+       if (IS_NOATIME(inode))
+               return true;
+
+       if (mnt->mnt_flags & (MNT_NOATIME | MNT_READONLY))
+               return true;
+
+       if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode))
+               return true;
+
+       if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))
+               return true;
+
+       return false;
+}
+
 void ll_io_init(struct cl_io *io, const struct file *file, int write)
 {
         struct inode *inode = file->f_dentry->d_inode;
@@ -1058,6 +1119,8 @@ void ll_io_init(struct cl_io *io, const struct file *file, int write)
         } else if (file->f_flags & O_APPEND) {
                 io->ci_lockreq = CILR_MANDATORY;
         }
+
+       io->ci_noatime = file_is_noatime(file);
 }
 
 static ssize_t
@@ -1067,9 +1130,12 @@ ll_file_io_generic(const struct lu_env *env, struct vvp_io_args *args,
 {
        struct ll_inode_info *lli = ll_i2info(file->f_dentry->d_inode);
        struct ll_file_data  *fd  = LUSTRE_FPRIVATE(file);
-        struct cl_io         *io;
-        ssize_t               result;
-        ENTRY;
+       struct cl_io         *io;
+       ssize_t               result;
+       ENTRY;
+
+       CDEBUG(D_VFSTRACE, "file: %s, type: %d ppos: "LPU64", count: %zd\n",
+               file->f_dentry->d_name.name, iot, *ppos, count);
 
 restart:
         io = ccc_env_thread_io(env);
@@ -1092,12 +1158,11 @@ restart:
                         if ((iot == CIT_WRITE) &&
                             !(cio->cui_fd->fd_flags & LL_FILE_GROUP_LOCKED)) {
                                if (mutex_lock_interruptible(&lli->
-                                                               lli_write_mutex))
-                                        GOTO(out, result = -ERESTARTSYS);
-                                write_mutex_locked = 1;
-                        } else if (iot == CIT_READ) {
-                               down_read(&lli->lli_trunc_sem);
-                        }
+                                                       lli_write_mutex))
+                                       GOTO(out, result = -ERESTARTSYS);
+                               write_mutex_locked = 1;
+                       }
+                       down_read(&lli->lli_trunc_sem);
                         break;
                 case IO_SENDFILE:
                         vio->u.sendfile.cui_actor = args->u.sendfile.via_actor;
@@ -1112,10 +1177,10 @@ restart:
                         LBUG();
                 }
                 result = cl_io_loop(env, io);
-                if (write_mutex_locked)
-                       mutex_unlock(&lli->lli_write_mutex);
-                else if (args->via_io_subtype == IO_NORMAL && iot == CIT_READ)
+               if (args->via_io_subtype == IO_NORMAL)
                        up_read(&lli->lli_trunc_sem);
+               if (write_mutex_locked)
+                       mutex_unlock(&lli->lli_write_mutex);
         } else {
                 /* cl_io_rw_init() handled IO */
                 result = io->ci_result;
@@ -1151,6 +1216,7 @@ out:
                        fd->fd_write_failed = true;
                }
        }
+       CDEBUG(D_VFSTRACE, "iot: %d, result: %zd\n", iot, result);
 
        return result;
 }
@@ -1416,7 +1482,8 @@ static int ll_lov_recreate_fid(struct inode *inode, unsigned long arg)
 }
 
 int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
-                             int flags, struct lov_user_md *lum, int lum_size)
+                             __u64  flags, struct lov_user_md *lum,
+                            int lum_size)
 {
        struct lov_stripe_md *lsm = NULL;
        struct lookup_intent oit = {.it_op = IT_OPEN, .it_flags = flags};
@@ -1426,8 +1493,8 @@ int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
        lsm = ccc_inode_lsm_get(inode);
        if (lsm != NULL) {
                ccc_inode_lsm_put(inode, lsm);
-               CDEBUG(D_IOCTL, "stripe already exists for ino %lu\n",
-                      inode->i_ino);
+               CDEBUG(D_IOCTL, "stripe already exists for inode "DFID"\n",
+                      PFID(ll_inode2fid(inode)));
                RETURN(-EEXIST);
        }
 
@@ -1538,7 +1605,7 @@ out:
 static int ll_lov_setea(struct inode *inode, struct file *file,
                             unsigned long arg)
 {
-       int                      flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
+       __u64                    flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
        struct lov_user_md      *lump;
        int                      lum_size = sizeof(struct lov_user_md) +
                                            sizeof(struct lov_user_ost_data);
@@ -1571,7 +1638,7 @@ static int ll_lov_setstripe(struct inode *inode, struct file *file,
        struct lov_user_md_v1   *lumv1p = (struct lov_user_md_v1 *)arg;
        struct lov_user_md_v3   *lumv3p = (struct lov_user_md_v3 *)arg;
        int                      lum_size, rc;
-       int                      flags = FMODE_WRITE;
+       __u64                    flags = FMODE_WRITE;
        ENTRY;
 
        /* first try with v1 which is smaller than v3 */
@@ -1724,14 +1791,14 @@ int ll_release_openhandle(struct dentry *dentry, struct lookup_intent *it)
        ll_och_fill(ll_i2sbi(inode)->ll_md_exp, it, och);
 
         rc = ll_close_inode_openhandle(ll_i2sbi(inode)->ll_md_exp,
-                                       inode, och);
- out:
-        /* this one is in place of ll_file_open */
-        if (it_disposition(it, DISP_ENQ_OPEN_REF)) {
-                ptlrpc_req_finished(it->d.lustre.it_data);
-                it_clear_disposition(it, DISP_ENQ_OPEN_REF);
-        }
-        RETURN(rc);
+                                      inode, och, NULL);
+out:
+       /* this one is in place of ll_file_open */
+       if (it_disposition(it, DISP_ENQ_OPEN_REF)) {
+               ptlrpc_req_finished(it->d.lustre.it_data);
+               it_clear_disposition(it, DISP_ENQ_OPEN_REF);
+       }
+       RETURN(rc);
 }
 
 /**
@@ -1895,11 +1962,12 @@ error:
  * This value is computed using stripe object version on OST.
  * Version is computed using server side locking.
  *
- * @param extent_lock  Take extent lock. Not needed if a process is already
- *                    holding the OST object group locks.
+ * @param sync if do sync on the OST side;
+ *             0: no sync
+ *             LL_DV_RD_FLUSH: flush dirty pages, LCK_PR on OSTs
+ *             LL_DV_WR_FLUSH: drop all caching pages, LCK_PW on OSTs
  */
-int ll_data_version(struct inode *inode, __u64 *data_version,
-                   int extent_lock)
+int ll_data_version(struct inode *inode, __u64 *data_version, int flags)
 {
        struct lov_stripe_md    *lsm = NULL;
        struct ll_sb_info       *sbi = ll_i2sbi(inode);
@@ -1919,7 +1987,7 @@ int ll_data_version(struct inode *inode, __u64 *data_version,
        if (obdo == NULL)
                GOTO(out, rc = -ENOMEM);
 
-       rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, obdo, 0, extent_lock);
+       rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, obdo, 0, flags);
        if (rc == 0) {
                if (!(obdo->o_valid & OBD_MD_FLDATAVERSION))
                        rc = -EOPNOTSUPP;
@@ -1934,6 +2002,53 @@ out:
        RETURN(rc);
 }
 
+/*
+ * Trigger a HSM release request for the provided inode.
+ */
+int ll_hsm_release(struct inode *inode)
+{
+       struct cl_env_nest nest;
+       struct lu_env *env;
+       struct obd_client_handle *och = NULL;
+       __u64 data_version = 0;
+       int rc;
+       ENTRY;
+
+       CDEBUG(D_INODE, "%s: Releasing file "DFID".\n",
+              ll_get_fsname(inode->i_sb, NULL, 0),
+              PFID(&ll_i2info(inode)->lli_fid));
+
+       och = ll_lease_open(inode, NULL, FMODE_WRITE, MDS_OPEN_RELEASE);
+       if (IS_ERR(och))
+               GOTO(out, rc = PTR_ERR(och));
+
+       /* Grab latest data_version and [am]time values */
+       rc = ll_data_version(inode, &data_version, LL_DV_WR_FLUSH);
+       if (rc != 0)
+               GOTO(out, rc);
+
+       env = cl_env_nested_get(&nest);
+       if (IS_ERR(env))
+               GOTO(out, rc = PTR_ERR(env));
+
+       ll_merge_lvb(env, inode);
+       cl_env_nested_put(&nest, env);
+
+       /* Release the file.
+        * NB: lease lock handle is released in mdc_hsm_release_pack() because
+        * we still need it to pack l_remote_handle to MDT. */
+       rc = ll_close_inode_openhandle(ll_i2sbi(inode)->ll_md_exp, inode, och,
+                                      &data_version);
+       och = NULL;
+
+       EXIT;
+out:
+       if (och != NULL && !IS_ERR(och)) /* close the file */
+               ll_lease_close(och, inode, NULL);
+
+       return rc;
+}
+
 struct ll_swap_stack {
        struct iattr             ia1, ia2;
        __u64                    dv1, dv2;
@@ -2095,6 +2210,86 @@ free:
        RETURN(rc);
 }
 
+static int ll_hsm_state_set(struct inode *inode, struct hsm_state_set *hss)
+{
+       struct md_op_data       *op_data;
+       int                      rc;
+
+       /* Non-root users are forbidden to set or clear flags which are
+        * NOT defined in HSM_USER_MASK. */
+       if (((hss->hss_setmask | hss->hss_clearmask) & ~HSM_USER_MASK) &&
+           !cfs_capable(CFS_CAP_SYS_ADMIN))
+               RETURN(-EPERM);
+
+       op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+                                    LUSTRE_OPC_ANY, hss);
+       if (IS_ERR(op_data))
+               RETURN(PTR_ERR(op_data));
+
+       rc = obd_iocontrol(LL_IOC_HSM_STATE_SET, ll_i2mdexp(inode),
+                          sizeof(*op_data), op_data, NULL);
+
+       ll_finish_md_op_data(op_data);
+
+       RETURN(rc);
+}
+
+static int ll_hsm_import(struct inode *inode, struct file *file,
+                        struct hsm_user_import *hui)
+{
+       struct hsm_state_set    *hss = NULL;
+       struct iattr            *attr = NULL;
+       int                      rc;
+       ENTRY;
+
+       if (!S_ISREG(inode->i_mode))
+               RETURN(-EINVAL);
+
+       /* set HSM flags */
+       OBD_ALLOC_PTR(hss);
+       if (hss == NULL)
+               GOTO(out, rc = -ENOMEM);
+
+       hss->hss_valid = HSS_SETMASK | HSS_ARCHIVE_ID;
+       hss->hss_archive_id = hui->hui_archive_id;
+       hss->hss_setmask = HS_ARCHIVED | HS_EXISTS | HS_RELEASED;
+       rc = ll_hsm_state_set(inode, hss);
+       if (rc != 0)
+               GOTO(out, rc);
+
+       OBD_ALLOC_PTR(attr);
+       if (attr == NULL)
+               GOTO(out, rc = -ENOMEM);
+
+       attr->ia_mode = hui->hui_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+       attr->ia_mode |= S_IFREG;
+       attr->ia_uid = hui->hui_uid;
+       attr->ia_gid = hui->hui_gid;
+       attr->ia_size = hui->hui_size;
+       attr->ia_mtime.tv_sec = hui->hui_mtime;
+       attr->ia_mtime.tv_nsec = hui->hui_mtime_ns;
+       attr->ia_atime.tv_sec = hui->hui_atime;
+       attr->ia_atime.tv_nsec = hui->hui_atime_ns;
+
+       attr->ia_valid = ATTR_SIZE | ATTR_MODE | ATTR_FORCE |
+                        ATTR_UID | ATTR_GID |
+                        ATTR_MTIME | ATTR_MTIME_SET |
+                        ATTR_ATIME | ATTR_ATIME_SET;
+
+       rc = ll_setattr_raw(file->f_dentry, attr, true);
+       if (rc == -ENODATA)
+               rc = 0;
+
+out:
+       if (hss != NULL)
+               OBD_FREE_PTR(hss);
+
+       if (attr != NULL)
+               OBD_FREE_PTR(attr);
+
+       RETURN(rc);
+}
+
 long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        struct inode            *inode = file->f_dentry->d_inode;
@@ -2102,8 +2297,8 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
        int                      flags, rc;
        ENTRY;
 
-        CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p),cmd=%x\n", inode->i_ino,
-               inode->i_generation, inode, cmd);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), cmd=%x\n",
+              PFID(ll_inode2fid(inode)), inode, cmd);
         ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_IOCTL, 1);
 
         /* asm-ppc{,64} declares TCGETS, et. al. as type 't' not 'T' */
@@ -2201,13 +2396,13 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                RETURN(ll_fid2path(inode, (void *)arg));
        case LL_IOC_DATA_VERSION: {
                struct ioc_data_version idv;
-               int                     rc;
+               int rc;
 
                if (copy_from_user(&idv, (char *)arg, sizeof(idv)))
                        RETURN(-EFAULT);
 
-               rc = ll_data_version(inode, &idv.idv_version,
-                               !(idv.idv_flags & LL_DV_NOFLUSH));
+               idv.idv_flags &= LL_DV_RD_FLUSH | LL_DV_WR_FLUSH;
+               rc = ll_data_version(inode, &idv.idv_version, idv.idv_flags);
 
                if (rc == 0 && copy_to_user((char *) arg, &idv, sizeof(idv)))
                        RETURN(-EFAULT);
@@ -2257,37 +2452,19 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                RETURN(rc);
        }
        case LL_IOC_HSM_STATE_SET: {
-               struct md_op_data       *op_data;
                struct hsm_state_set    *hss;
                int                      rc;
 
                OBD_ALLOC_PTR(hss);
                if (hss == NULL)
                        RETURN(-ENOMEM);
+
                if (copy_from_user(hss, (char *)arg, sizeof(*hss))) {
                        OBD_FREE_PTR(hss);
                        RETURN(-EFAULT);
                }
 
-               /* Non-root users are forbidden to set or clear flags which are
-                * NOT defined in HSM_USER_MASK. */
-               if (((hss->hss_setmask | hss->hss_clearmask) & ~HSM_USER_MASK)
-                   && !cfs_capable(CFS_CAP_SYS_ADMIN)) {
-                       OBD_FREE_PTR(hss);
-                       RETURN(-EPERM);
-               }
-
-               op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
-                                            LUSTRE_OPC_ANY, hss);
-               if (IS_ERR(op_data)) {
-                       OBD_FREE_PTR(hss);
-                       RETURN(PTR_ERR(op_data));
-               }
-
-               rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
-                                  op_data, NULL);
-
-               ll_finish_md_op_data(op_data);
+               rc = ll_hsm_state_set(inode, hss);
 
                OBD_FREE_PTR(hss);
                RETURN(rc);
@@ -2361,7 +2538,7 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                CDEBUG(D_INODE, "Set lease with mode %d\n", mode);
 
                /* apply for lease */
-               och = ll_lease_open(inode, file, mode);
+               och = ll_lease_open(inode, file, mode, 0);
                if (IS_ERR(och))
                        RETURN(PTR_ERR(och));
 
@@ -2395,11 +2572,27 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                                        rc = och->och_flags &
                                                (FMODE_READ | FMODE_WRITE);
                                unlock_res_and_lock(lock);
-                               ldlm_lock_put(lock);
+                               LDLM_LOCK_PUT(lock);
                        }
                }
                mutex_unlock(&lli->lli_och_mutex);
+               RETURN(rc);
+       }
+       case LL_IOC_HSM_IMPORT: {
+               struct hsm_user_import *hui;
+
+               OBD_ALLOC_PTR(hui);
+               if (hui == NULL)
+                       RETURN(-ENOMEM);
 
+               if (copy_from_user(hui, (void *)arg, sizeof(*hui))) {
+                       OBD_FREE_PTR(hui);
+                       RETURN(-EFAULT);
+               }
+
+               rc = ll_hsm_import(inode, file, hui);
+
+               OBD_FREE_PTR(hui);
                RETURN(rc);
        }
        default: {
@@ -2490,8 +2683,8 @@ loff_t ll_file_seek(struct file *file, loff_t offset, int origin)
        ENTRY;
        retval = offset + ((origin == SEEK_END) ? i_size_read(inode) :
                           (origin == SEEK_CUR) ? file->f_pos : 0);
-       CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), to=%llu=%#llx(%d)\n",
-              inode->i_ino, inode->i_generation, inode, retval, retval,
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), to=%llu=%#llx(%d)\n",
+              PFID(ll_inode2fid(inode)), inode, retval, retval,
               origin);
        ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_LLSEEK, 1);
 
@@ -2610,8 +2803,8 @@ int ll_fsync(struct file *file, struct dentry *dentry, int datasync)
         int rc, err;
         ENTRY;
 
-        CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
-               inode->i_generation, inode);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n",
+              PFID(ll_inode2fid(inode)), inode);
         ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_FSYNC, 1);
 
 #ifdef HAVE_FILE_FSYNC_4ARGS
@@ -2636,8 +2829,8 @@ int ll_fsync(struct file *file, struct dentry *dentry, int datasync)
         }
 
         oc = ll_mdscapa_get(inode);
-        err = md_sync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), oc,
-                      &req);
+       err = md_fsync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), oc,
+                      &req);
         capa_put(oc);
         if (!rc)
                 rc = err;
@@ -2675,13 +2868,13 @@ int ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock)
        struct md_op_data *op_data;
        struct lustre_handle lockh = {0};
        ldlm_policy_data_t flock = {{0}};
-       int flags = 0;
+       __u64 flags = 0;
        int rc;
        int rc2 = 0;
        ENTRY;
 
-        CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu file_lock=%p\n",
-               inode->i_ino, file_lock);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID" file_lock=%p\n",
+              PFID(ll_inode2fid(inode)), file_lock);
 
         ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_FLOCK, 1);
 
@@ -2766,9 +2959,10 @@ int ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock)
         if (IS_ERR(op_data))
                 RETURN(PTR_ERR(op_data));
 
-        CDEBUG(D_DLMTRACE, "inode=%lu, pid=%u, flags=%#x, mode=%u, "
-               "start="LPU64", end="LPU64"\n", inode->i_ino, flock.l_flock.pid,
-               flags, einfo.ei_mode, flock.l_flock.start, flock.l_flock.end);
+       CDEBUG(D_DLMTRACE, "inode="DFID", pid=%u, flags="LPX64", mode=%u, "
+              "start="LPU64", end="LPU64"\n", PFID(ll_inode2fid(inode)),
+              flock.l_flock.pid, flags, einfo.ei_mode,
+              flock.l_flock.start, flock.l_flock.end);
 
         rc = md_enqueue(sbi->ll_md_exp, &einfo, NULL,
                         op_data, &lockh, &flock, 0, NULL /* req */, flags);
@@ -2852,7 +3046,8 @@ int ll_have_md_lock(struct inode *inode, __u64 *bits,  ldlm_mode_t l_req_mode)
 }
 
 ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits,
-                            struct lustre_handle *lockh, __u64 flags)
+                           struct lustre_handle *lockh, __u64 flags,
+                           ldlm_mode_t mode)
 {
         ldlm_policy_data_t policy = { .l_inodebits = {bits}};
         struct lu_fid *fid;
@@ -2862,10 +3057,10 @@ ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits,
         fid = &ll_i2info(inode)->lli_fid;
         CDEBUG(D_INFO, "trying to match res "DFID"\n", PFID(fid));
 
-        rc = md_lock_match(ll_i2mdexp(inode), LDLM_FL_BLOCK_GRANTED|flags,
-                          fid, LDLM_IBITS, &policy,
-                           LCK_CR|LCK_CW|LCK_PR|LCK_PW, lockh);
-        RETURN(rc);
+       rc = md_lock_match(ll_i2mdexp(inode), LDLM_FL_BLOCK_GRANTED|flags,
+                          fid, LDLM_IBITS, &policy, mode, lockh);
+
+       RETURN(rc);
 }
 
 static int ll_inode_revalidate_fini(struct inode *inode, int rc)
@@ -2898,8 +3093,8 @@ int __ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it,
 
         LASSERT(inode != NULL);
 
-        CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p),name=%s\n",
-               inode->i_ino, inode->i_generation, inode, dentry->d_name.name);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p),name=%s\n",
+              PFID(ll_inode2fid(inode)), inode, dentry->d_name.name);
 
         exp = ll_i2mdexp(inode);
 
@@ -2914,7 +3109,7 @@ int __ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it,
                         oit.it_op = IT_LOOKUP;
 
                 /* Call getattr by fid, so do not provide name at all. */
-                op_data = ll_prep_md_op_data(NULL, dentry->d_parent->d_inode,
+                op_data = ll_prep_md_op_data(NULL, dentry->d_inode,
                                              dentry->d_inode, NULL, 0, 0,
                                              LUSTRE_OPC_ANY, NULL);
                 if (IS_ERR(op_data))
@@ -3056,7 +3251,6 @@ int ll_getattr(struct vfsmount *mnt, struct dentry *de, struct kstat *stat)
         return ll_getattr_it(mnt, de, &it, stat);
 }
 
-#ifdef HAVE_LINUX_FIEMAP_H
 int ll_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
                 __u64 start, __u64 len)
 {
@@ -3089,7 +3283,6 @@ int ll_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
         OBD_FREE_LARGE(fiemap, num_bytes);
         return rc;
 }
-#endif
 
 struct posix_acl * ll_get_acl(struct inode *inode, int type)
 {
@@ -3170,8 +3363,8 @@ int ll_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
                         RETURN(rc);
         }
 
-       CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), inode mode %x mask %o\n",
-              inode->i_ino, inode->i_generation, inode, inode->i_mode, mask);
+       CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), inode mode %x mask %o\n",
+              PFID(ll_inode2fid(inode)), inode, inode->i_mode, mask);
 
        if (ll_i2sbi(inode)->ll_flags & LL_SBI_RMT_CLIENT)
                return lustre_check_remote_perm(inode, mask);
@@ -3241,9 +3434,7 @@ struct inode_operations ll_file_inode_operations = {
        .getxattr       = ll_getxattr,
        .listxattr      = ll_listxattr,
        .removexattr    = ll_removexattr,
-#ifdef  HAVE_LINUX_FIEMAP_H
        .fiemap         = ll_fiemap,
-#endif
 #ifdef HAVE_IOP_GET_ACL
        .get_acl        = ll_get_acl,
 #endif
@@ -3398,10 +3589,10 @@ static int ll_layout_fetch(struct inode *inode, struct ldlm_lock *lock)
        ENTRY;
 
        CDEBUG(D_INODE, DFID" LVB_READY=%d l_lvb_data=%p l_lvb_len=%d\n",
-              PFID(ll_inode2fid(inode)), !!(lock->l_flags & LDLM_FL_LVB_READY),
+              PFID(ll_inode2fid(inode)), ldlm_is_lvb_ready(lock),
               lock->l_lvb_data, lock->l_lvb_len);
 
-       if ((lock->l_lvb_data != NULL) && (lock->l_flags & LDLM_FL_LVB_READY))
+       if ((lock->l_lvb_data != NULL) && ldlm_is_lvb_ready(lock))
                RETURN(0);
 
        /* if layout lock was granted right away, the layout is returned
@@ -3474,14 +3665,14 @@ static int ll_layout_lock_set(struct lustre_handle *lockh, ldlm_mode_t mode,
        LASSERT(lock != NULL);
        LASSERT(ldlm_has_layout(lock));
 
-       LDLM_DEBUG(lock, "File %p/"DFID" being reconfigured: %d.\n",
-                  inode, PFID(&lli->lli_fid), reconf);
+       LDLM_DEBUG(lock, "file "DFID"(%p) being reconfigured: %d\n",
+                  PFID(&lli->lli_fid), inode, reconf);
 
        /* in case this is a caching lock and reinstate with new inode */
        md_set_lock_data(sbi->ll_md_exp, &lockh->cookie, inode, NULL);
 
        lock_res_and_lock(lock);
-       lvb_ready = !!(lock->l_flags & LDLM_FL_LVB_READY);
+       lvb_ready = ldlm_is_lvb_ready(lock);
        unlock_res_and_lock(lock);
        /* checking lvb_ready is racy but this is okay. The worst case is
         * that multi processes may configure the file on the same time. */
@@ -3544,9 +3735,9 @@ out:
 
        /* wait for IO to complete if it's still being used. */
        if (wait_layout) {
-               CDEBUG(D_INODE, "%s: %p/"DFID" wait for layout reconf.\n",
-                       ll_get_fsname(inode->i_sb, NULL, 0),
-                       inode, PFID(&lli->lli_fid));
+               CDEBUG(D_INODE, "%s: "DFID"(%p) wait for layout reconf\n",
+                      ll_get_fsname(inode->i_sb, NULL, 0),
+                      PFID(&lli->lli_fid), inode);
 
                memset(&conf, 0, sizeof conf);
                conf.coc_opc = OBJECT_CONF_WAIT;
@@ -3555,8 +3746,9 @@ out:
                if (rc == 0)
                        rc = -EAGAIN;
 
-               CDEBUG(D_INODE, "file: "DFID" waiting layout return: %d.\n",
-                       PFID(&lli->lli_fid), rc);
+               CDEBUG(D_INODE, "%s file="DFID" waiting layout return: %d\n",
+                      ll_get_fsname(inode->i_sb, NULL, 0),
+                      PFID(&lli->lli_fid), rc);
        }
        RETURN(rc);
 }
@@ -3601,7 +3793,8 @@ int ll_layout_refresh(struct inode *inode, __u32 *gen)
 
        /* mostly layout lock is caching on the local side, so try to match
         * it before grabbing layout lock mutex. */
-       mode = ll_take_md_lock(inode, MDS_INODELOCK_LAYOUT, &lockh, 0);
+       mode = ll_take_md_lock(inode, MDS_INODELOCK_LAYOUT, &lockh, 0,
+                              LCK_CR | LCK_CW | LCK_PR | LCK_PW);
        if (mode != 0) { /* hit cached lock */
                rc = ll_layout_lock_set(&lockh, mode, inode, gen, false);
                if (rc == 0)
@@ -3616,7 +3809,8 @@ int ll_layout_refresh(struct inode *inode, __u32 *gen)
 
 again:
        /* try again. Maybe somebody else has done this. */
-       mode = ll_take_md_lock(inode, MDS_INODELOCK_LAYOUT, &lockh, 0);
+       mode = ll_take_md_lock(inode, MDS_INODELOCK_LAYOUT, &lockh, 0,
+                              LCK_CR | LCK_CW | LCK_PR | LCK_PW);
        if (mode != 0) { /* hit cached lock */
                rc = ll_layout_lock_set(&lockh, mode, inode, gen, true);
                if (rc == -EAGAIN)
@@ -3627,7 +3821,7 @@ again:
        }
 
        op_data = ll_prep_md_op_data(NULL, inode, inode, NULL,
-                       0, 0, LUSTRE_OPC_ANY, NULL);
+                                    0, 0, LUSTRE_OPC_ANY, NULL);
        if (IS_ERR(op_data)) {
                mutex_unlock(&lli->lli_layout_mutex);
                RETURN(PTR_ERR(op_data));
@@ -3638,9 +3832,9 @@ again:
        it.it_op = IT_LAYOUT;
        lockh.cookie = 0ULL;
 
-       LDLM_DEBUG_NOLOCK("%s: requeue layout lock for file %p/"DFID".\n",
-                       ll_get_fsname(inode->i_sb, NULL, 0), inode,
-                       PFID(&lli->lli_fid));
+       LDLM_DEBUG_NOLOCK("%s: requeue layout lock for file "DFID"(%p)\n",
+                         ll_get_fsname(inode->i_sb, NULL, 0),
+                         PFID(&lli->lli_fid), inode);
 
        rc = md_enqueue(sbi->ll_md_exp, &einfo, &it, op_data, &lockh,
                        NULL, 0, NULL, 0);
@@ -3669,7 +3863,7 @@ again:
 /**
  *  This function send a restore request to the MDT
  */
-int ll_layout_restore(struct inode *inode)
+int ll_layout_restore(struct inode *inode, loff_t offset, __u64 length)
 {
        struct hsm_user_request *hur;
        int                      len, rc;
@@ -3686,7 +3880,8 @@ int ll_layout_restore(struct inode *inode)
        hur->hur_request.hr_flags = 0;
        memcpy(&hur->hur_user_item[0].hui_fid, &ll_i2info(inode)->lli_fid,
               sizeof(hur->hur_user_item[0].hui_fid));
-       hur->hur_user_item[0].hui_extent.length = -1;
+       hur->hur_user_item[0].hui_extent.offset = offset;
+       hur->hur_user_item[0].hui_extent.length = length;
        hur->hur_request.hr_itemcount = 1;
        rc = obd_iocontrol(LL_IOC_HSM_REQUEST, cl_i2sbi(inode)->ll_md_exp,
                           len, hur, NULL);