Whamcloud - gitweb
LU-1302 llog: pass lu_env as parametr in llog functions
[fs/lustre-release.git] / lustre / obdfilter / filter_log.c
index d91e1e8..d997ae8 100644 (file)
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- *  linux/fs/obdfilter/filter_log.c
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *  Copyright (c) 2001-2003 Cluster File Systems, Inc.
- *   Author: Peter Braam <braam@clusterfs.com>
- *   Author: Andreas Dilger <adilger@clusterfs.com>
- *   Author: Phil Schwan <phil@clusterfs.com>
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdfilter/filter_log.c
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
  */
 
 #define DEBUG_SUBSYSTEM S_FILTER
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/version.h>
 
-#include <portals/list.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lustre_commit_confd.h>
-
+#include <libcfs/list.h>
+#include <obd_class.h>
+#include <lustre_log.h>
+#include <lustre_fsfilt.h>
 #include "filter_internal.h"
 
-static struct llog_handle *filter_log_create(struct obd_device *obd);
-
-/* This is a callback from the llog_* functions.
- * Assumes caller has already pushed us into the kernel context. */
-static int filter_log_close(struct llog_handle *cathandle,
-                            struct llog_handle *loghandle)
+int filter_log_sz_change(struct llog_handle *cathandle,
+                         struct ll_fid *mds_fid,
+                         __u32 ioepoch,
+                         struct llog_cookie *logcookie,
+                         struct inode *inode)
 {
-        struct llog_object_hdr *llh = loghandle->lgh_hdr;
-        struct file *file = loghandle->lgh_file;
-        struct dentry *dparent = NULL, *dchild = NULL;
-        struct lustre_handle parent_lockh;
-        struct llog_logid *lgl = &loghandle->lgh_cookie.lgc_lgl;
+        struct llog_size_change_rec *lsc;
         int rc;
+        struct ost_filterdata *ofd;
         ENTRY;
 
-        /* If we are going to delete this log, grab a ref before we close
-         * it so we don't have to immediately do another lookup. */
-        if (llh->llh_hdr.lth_type != LLOG_CATALOG_MAGIC && llh->llh_count == 0){
-                CDEBUG(D_INODE, "deleting log file "LPX64":%x\n",
-                       lgl->lgl_oid, lgl->lgl_ogen);
-                dparent = filter_parent_lock(loghandle->lgh_obd, S_IFREG,
-                                             lgl->lgl_oid,LCK_PW,&parent_lockh);
-                if (IS_ERR(dparent)) {
-                        rc = PTR_ERR(dparent);
-                        CERROR("error locking parent, orphan log %*s: rc %d\n",
-                               file->f_dentry->d_name.len,
-                               file->f_dentry->d_name.name, rc);
-                        RETURN(rc);
-                } else {
-                        dchild = dget(file->f_dentry);
-                        llog_delete_log(cathandle, loghandle);
-                }
-        } else {
-                CDEBUG(D_INODE, "closing log file "LPX64":%x\n",
-                       lgl->lgl_oid, lgl->lgl_ogen);
-        }
-
-        rc = filp_close(file, 0);
+       mutex_lock(&inode->i_mutex);
+       ofd = inode->i_private;
+
+       if (ofd && ofd->ofd_epoch >= ioepoch) {
+               if (ofd->ofd_epoch > ioepoch)
+                       CERROR("client sent old epoch %d for obj ino %ld\n",
+                              ioepoch, inode->i_ino);
+               mutex_unlock(&inode->i_mutex);
+               RETURN(0);
+       }
+
+       if (ofd && ofd->ofd_epoch < ioepoch) {
+               ofd->ofd_epoch = ioepoch;
+       } else if (!ofd) {
+               OBD_ALLOC(ofd, sizeof(*ofd));
+               if (!ofd)
+                       GOTO(out, rc = -ENOMEM);
+               igrab(inode);
+               inode->i_private = ofd;
+               ofd->ofd_epoch = ioepoch;
+       }
+       /* the decision to write a record is now made, unlock */
+       mutex_unlock(&inode->i_mutex);
+
+        OBD_ALLOC(lsc, sizeof(*lsc));
+        if (lsc == NULL)
+                RETURN(-ENOMEM);
+        lsc->lsc_hdr.lrh_len = lsc->lsc_tail.lrt_len = sizeof(*lsc);
+        lsc->lsc_hdr.lrh_type =  OST_SZ_REC;
+        lsc->lsc_fid = *mds_fid;
+        lsc->lsc_ioepoch = ioepoch;
 
-        llog_free_handle(loghandle); /* also removes loghandle from list */
+       rc = llog_cat_add_rec(NULL, cathandle, &lsc->lsc_hdr, logcookie, NULL);
+        OBD_FREE(lsc, sizeof(*lsc));
 
-        if (dchild != NULL) {
-                int err = vfs_unlink(dparent->d_inode, dchild);
-                if (err) {
-                        CERROR("error unlinking empty log %*s: rc %d\n",
-                               dchild->d_name.len, dchild->d_name.name, err);
-                        if (!rc)
-                                rc = err;
-                }
-                f_dput(dchild);
-                ldlm_lock_decref(&parent_lockh, LCK_PW);
+        if (rc > 0) {
+                LASSERT(rc == sizeof(*logcookie));
+                rc = 0;
         }
+
+        out:
         RETURN(rc);
 }
 
-/* This is a callback from the llog_* functions.
- * Assumes caller has already pushed us into the kernel context. */
-static struct llog_handle *filter_log_open(struct obd_device *obd,
-                                           struct llog_cookie *logcookie)
+/* When this (destroy) operation is committed, return the cancel cookie */
+void filter_cancel_cookies_cb(struct obd_device *obd, __u64 transno,
+                              void *cb_data, int error)
 {
-        struct llog_logid *lgl = &logcookie->lgc_lgl;
-        struct llog_handle *loghandle;
-        struct dentry *dchild;
+        struct llog_cookie *cookie = cb_data;
+        struct obd_llog_group *olg;
+        struct llog_ctxt *ctxt;
         int rc;
-        ENTRY;
-
-        loghandle = llog_alloc_handle();
-        if (!loghandle)
-                RETURN(ERR_PTR(-ENOMEM));
 
-        dchild = filter_fid2dentry(obd, NULL, S_IFREG, lgl->lgl_oid);
-        if (IS_ERR(dchild))
-                GOTO(out_handle, rc = PTR_ERR(dchild));
-
-        if (dchild->d_inode == NULL) {
-                CERROR("logcookie references non-existent object %*s\n",
-                       dchild->d_name.len, dchild->d_name.name);
-                GOTO(out_dentry, rc = -ENOENT);
-        }
-
-        if (dchild->d_inode->i_generation != lgl->lgl_ogen) {
-                CERROR("logcookie for %*s had different generation %x != %x\n",
-                       dchild->d_name.len, dchild->d_name.name,
-                       dchild->d_inode->i_generation, lgl->lgl_ogen);
-                GOTO(out_dentry, rc = -ESTALE);
-        }
-
-        /* dentry_open does a dput(dchild) and mntput(mnt) on error */
-        mntget(obd->u.filter.fo_vfsmnt);
-        loghandle->lgh_file = dentry_open(dchild, obd->u.filter.fo_vfsmnt,
-                                          O_RDWR);
-        if (IS_ERR(loghandle->lgh_file)) {
-                rc = PTR_ERR(loghandle->lgh_file);
-                CERROR("error opening logfile %*s: rc %d\n",
-                       dchild->d_name.len, dchild->d_name.name, rc);
-                GOTO(out_dentry, rc);
+        /* we have to find context for right group */
+        if (error != 0 || obd->obd_stopping) {
+                CDEBUG(D_INODE, "not cancel logcookie err %d stopping %d \n",
+                       error, obd->obd_stopping);
+                GOTO (out, rc = 0);
         }
-        memcpy(&loghandle->lgh_cookie, logcookie, sizeof(*logcookie));
-        loghandle->lgh_log_create = filter_log_create;
-        loghandle->lgh_log_open = filter_log_open;
-        loghandle->lgh_log_close = filter_log_close;
-        loghandle->lgh_obd = obd;
-        RETURN(loghandle);
-
-out_dentry:
-        f_dput(dchild);
-out_handle:
-        llog_free_handle(loghandle);
-        RETURN(ERR_PTR(rc));
-}
-
-/* This is a callback from the llog_* functions.
- * Assumes caller has already pushed us into the kernel context. */
-static struct llog_handle *filter_log_create(struct obd_device *obd)
-{
-        struct filter_obd *filter = &obd->u.filter;
-        struct lustre_handle parent_lockh;
-        struct dentry *dparent, *dchild;
-        struct llog_handle *loghandle;
-        struct file *file;
-        int err, rc;
-        obd_id id;
-        ENTRY;
 
-        loghandle = llog_alloc_handle();
-        if (!loghandle)
-                RETURN(ERR_PTR(-ENOMEM));
-
- retry:
-        id = filter_next_id(filter);
-
-        dparent = filter_parent_lock(obd, S_IFREG, id, LCK_PW, &parent_lockh);
-        if (IS_ERR(dparent))
-                GOTO(out_ctxt, rc = PTR_ERR(dparent));
-
-        dchild = filter_fid2dentry(obd, dparent, S_IFREG, id);
-        if (IS_ERR(dchild))
-                GOTO(out_lock, rc = PTR_ERR(dchild));
-
-        if (dchild->d_inode != NULL) {
-                /* This would only happen if lastobjid was bad on disk */
-                CERROR("Serious error: objid %*s already exists; is this "
-                       "filesystem corrupt?  I will try to work around it.\n",
-                       dchild->d_name.len, dchild->d_name.name);
-                f_dput(dchild);
-                ldlm_lock_decref(&parent_lockh, LCK_PW);
-                goto retry;
+        olg = filter_find_olg(obd, cookie->lgc_lgl.lgl_oseq);
+        if (!olg) {
+                CDEBUG(D_HA, "unknown group "LPU64"!\n", cookie->lgc_lgl.lgl_oseq);
+                GOTO(out, rc = 0);
         }
 
-        rc = vfs_create(dparent->d_inode, dchild, S_IFREG);
-        if (rc) {
-                CERROR("log create failed rc = %d\n", rc);
-                GOTO(out_child, rc);
+        ctxt = llog_group_get_ctxt(olg, cookie->lgc_subsys + 1);
+        if (!ctxt) {
+                CERROR("no valid context for group "LPU64"\n",
+                        cookie->lgc_lgl.lgl_oseq);
+                GOTO(out, rc = 0);
         }
 
-        rc = filter_update_server_data(obd, filter->fo_rcvd_filp,
-                                       filter->fo_fsd);
-        if (rc) {
-                CERROR("can't write lastobjid but log created: rc %d\n",rc);
-                GOTO(out_destroy, rc);
-        }
+        OBD_FAIL_TIMEOUT(OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT, 30);
 
-        /* dentry_open does a dput(dchild) and mntput(mnt) on error */
-        mntget(filter->fo_vfsmnt);
-        file = dentry_open(dchild, filter->fo_vfsmnt, O_RDWR | O_LARGEFILE);
-        if (IS_ERR(file)) {
-                rc = PTR_ERR(file);
-                CERROR("error opening log file "LPX64": rc %d\n", id, rc);
-                GOTO(out_destroy, rc);
-        }
-        ldlm_lock_decref(&parent_lockh, LCK_PW);
-
-        loghandle->lgh_file = file;
-        loghandle->lgh_cookie.lgc_lgl.lgl_oid = id;
-        loghandle->lgh_cookie.lgc_lgl.lgl_ogen = dchild->d_inode->i_generation;
-        loghandle->lgh_log_create = filter_log_create;
-        loghandle->lgh_log_open = filter_log_open;
-        loghandle->lgh_log_close = filter_log_close;
-        loghandle->lgh_obd = obd;
-
-        RETURN(loghandle);
-
-out_destroy:
-        err = vfs_unlink(dparent->d_inode, dchild);
-        if (err)
-                CERROR("error unlinking %*s on error: rc %d\n",
-                       dchild->d_name.len, dchild->d_name.name, err);
-out_child:
-        f_dput(dchild);
-out_lock:
-        ldlm_lock_decref(&parent_lockh, LCK_PW);
-out_ctxt:
-        llog_free_handle(loghandle);
-        RETURN(ERR_PTR(rc));
+       rc = llog_cancel(NULL, ctxt, NULL, 1, cookie, 0);
+        if (rc)
+                CERROR("error cancelling log cookies: rc = %d\n", rc);
+        llog_ctxt_put(ctxt);
+out:
+        OBD_FREE(cookie, sizeof(*cookie));
 }
 
-/* This is called from filter_setup() and should be single threaded */
-struct llog_handle *filter_get_catalog(struct obd_device *obd)
+/* Callback for processing the unlink log record received from MDS by
+ * llog_client_api. */
+static int filter_recov_log_unlink_cb(struct llog_ctxt *ctxt,
+                                      struct llog_rec_hdr *rec,
+                                      struct llog_cookie *cookie)
 {
-        struct filter_obd *filter = &obd->u.filter;
-        struct filter_server_data *fsd = filter->fo_fsd;
-        struct obd_run_ctxt saved;
-        struct llog_handle *cathandle = NULL;
-        int rc;
+        struct obd_export *exp = ctxt->loc_obd->obd_self_export;
+        struct llog_unlink_rec *lur;
+        struct obdo *oa;
+        obd_id oid;
+        obd_count count;
+        int rc = 0;
         ENTRY;
 
-        push_ctxt(&saved, &filter->fo_ctxt, NULL);
-        if (fsd->fsd_catalog_oid) {
-                struct llog_cookie catcookie;
-
-                catcookie.lgc_lgl.lgl_oid = le64_to_cpu(fsd->fsd_catalog_oid);
-                catcookie.lgc_lgl.lgl_ogen = le32_to_cpu(fsd->fsd_catalog_ogen);
-                cathandle = filter_log_open(obd, &catcookie);
-                if (IS_ERR(cathandle)) {
-                        CERROR("error opening catalog "LPX64":%x: rc %d\n",
-                               catcookie.lgc_lgl.lgl_oid,
-                               catcookie.lgc_lgl.lgl_ogen,
-                               (int)PTR_ERR(cathandle));
-                        fsd->fsd_catalog_oid = 0;
-                        fsd->fsd_catalog_ogen = 0;
-                }
+        lur = (struct llog_unlink_rec *)rec;
+        OBDO_ALLOC(oa);
+        if (oa == NULL)
+                RETURN(-ENOMEM);
+        oa->o_valid |= OBD_MD_FLCOOKIE;
+        oa->o_id = lur->lur_oid;
+        oa->o_seq = lur->lur_oseq;
+        oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+        oa->o_lcookie = *cookie;
+        oid = oa->o_id;
+        /* objid gap may require to destroy several objects in row */
+        count = lur->lur_count + 1;
+
+        /* This check is only valid before FID-on-OST and it should
+         * be removed after FID-on-OST is implemented */
+        if (oa->o_seq > FID_SEQ_OST_MAX) {
+                CERROR("%s: invalid group number "LPU64" > MAX_CMD_GROUP %u\n",
+                        exp->exp_obd->obd_name, oa->o_seq, FID_SEQ_OST_MAX);
+                RETURN(-EINVAL);
         }
 
-        if (!fsd->fsd_catalog_oid) {
-                struct llog_logid *lgl;
-
-                cathandle = filter_log_create(obd);
-                if (IS_ERR(cathandle)) {
-                        CERROR("error creating new catalog: rc %d\n",
-                               (int)PTR_ERR(cathandle));
-                        GOTO(out, cathandle);
-                }
-                lgl = &cathandle->lgh_cookie.lgc_lgl;
-                fsd->fsd_catalog_oid = cpu_to_le64(lgl->lgl_oid);
-                fsd->fsd_catalog_ogen = cpu_to_le32(lgl->lgl_ogen);
-                rc = filter_update_server_data(obd, filter->fo_rcvd_filp, fsd);
-                if (rc) {
-                        CERROR("error writing new catalog to disk: rc %d\n",rc);
-                        GOTO(out_handle, rc);
-                }
+        while (count > 0) {
+                rc = filter_destroy(NULL, exp, oa, NULL, NULL, NULL, NULL);
+                if (rc == 0)
+                        CDEBUG(D_RPCTRACE, "object "LPU64" is destroyed\n",
+                               oid);
+                else if (rc != -ENOENT)
+                        CEMERG("error destroying object "LPU64": %d\n",
+                               oid, rc);
+                else
+                        rc = 0;
+                count--;
+                oid++;
         }
+        OBDO_FREE(oa);
 
-        rc = llog_init_catalog(cathandle, &obd->u.filter.fo_mdc_uuid);
-        if (rc)
-                GOTO(out_handle, rc);
-out:
-        pop_ctxt(&saved, &filter->fo_ctxt, NULL);
-        RETURN(cathandle);
-
-out_handle:
-        filter_log_close(cathandle, cathandle);
-        cathandle = ERR_PTR(rc);
-        goto out;
+        RETURN(rc);
 }
 
-void filter_put_catalog(struct llog_handle *cathandle)
+/* Callback for processing the setattr log record received from MDS by
+ * llog_client_api. */
+static int filter_recov_log_setattr_cb(struct llog_ctxt *ctxt,
+                                       struct llog_rec_hdr *rec,
+                                       struct llog_cookie *cookie)
 {
-        struct llog_handle *loghandle, *n;
-        int rc;
+        struct obd_device *obd = ctxt->loc_obd;
+        struct obd_export *exp = obd->obd_self_export;
+        struct obd_info oinfo = { { { 0 } } };
+        obd_id oid;
+        int rc = 0;
         ENTRY;
 
-        list_for_each_entry_safe(loghandle, n, &cathandle->lgh_list, lgh_list)
-                filter_log_close(cathandle, loghandle);
-
-        rc = filp_close(cathandle->lgh_file, 0);
-        if (rc)
-                CERROR("error closing catalog: rc %d\n", rc);
-
-        llog_free_handle(cathandle);
-        EXIT;
-}
+        OBDO_ALLOC(oinfo.oi_oa);
+        if (oinfo.oi_oa == NULL)
+                RETURN(-ENOMEM);
 
-int filter_log_cancel(struct lustre_handle *conn, struct lov_stripe_md *lsm,
-                      int num_cookies, struct llog_cookie *logcookies,
-                      int flags)
-{
-        struct obd_device *obd = class_conn2obd(conn);
-        struct obd_run_ctxt saved;
-        int rc;
-        ENTRY;
+       if (rec->lrh_type == MDS_SETATTR64_REC) {
+                struct llog_setattr64_rec *lsr = (struct llog_setattr64_rec *)rec;
+
+                oinfo.oi_oa->o_id = lsr->lsr_oid;
+                oinfo.oi_oa->o_seq = lsr->lsr_oseq;
+                oinfo.oi_oa->o_uid = lsr->lsr_uid;
+                oinfo.oi_oa->o_gid = lsr->lsr_gid;
+       } else {
+               CERROR("%s: wrong llog type %#x\n", obd->obd_name,
+                      rec->lrh_type);
+               RETURN(-EINVAL);
+       }
+
+        oinfo.oi_oa->o_valid |= (OBD_MD_FLID | OBD_MD_FLUID | OBD_MD_FLGID |
+                                 OBD_MD_FLCOOKIE);
+        oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+        oinfo.oi_oa->o_lcookie = *cookie;
+        oid = oinfo.oi_oa->o_id;
+
+        rc = filter_setattr(NULL, exp, &oinfo, NULL);
+        OBDO_FREE(oinfo.oi_oa);
+
+        if (rc == -ENOENT) {
+                CDEBUG(D_RPCTRACE, "object already removed, send cookie\n");
+               llog_cancel(NULL, ctxt, NULL, 1, cookie, 0);
+                RETURN(0);
+        }
 
-        push_ctxt(&saved, &obd->u.filter.fo_ctxt, NULL);
-        rc = llog_cancel_records(obd->u.filter.fo_catalog, num_cookies,
-                                 logcookies);
-        pop_ctxt(&saved, &obd->u.filter.fo_ctxt, NULL);
+        if (rc == 0)
+                CDEBUG(D_RPCTRACE, "object "LPU64" is chown/chgrp\n", oid);
 
         RETURN(rc);
 }
 
-int filter_log_op_create(struct llog_handle *cathandle, struct ll_fid *mds_fid,
-                         obd_id oid, obd_count ogen,
-                         struct llog_cookie *logcookie)
+int filter_recov_log_mds_ost_cb(const struct lu_env *env,
+                               struct llog_handle *llh,
+                               struct llog_rec_hdr *rec, void *data)
 {
-        struct llog_create_rec *lcr;
-        int rc;
+        struct llog_ctxt *ctxt = llh->lgh_ctxt;
+        struct llog_cookie cookie;
+        int rc = 0;
         ENTRY;
 
-        OBD_ALLOC(lcr, sizeof(*lcr));
-        if (lcr == NULL)
-                RETURN(-ENOMEM);
-        lcr->lcr_hdr.lth_len = lcr->lcr_end_len = sizeof(*lcr);
-        lcr->lcr_hdr.lth_type = OST_CREATE_REC;
-        lcr->lcr_fid.id = mds_fid->id;
-        lcr->lcr_fid.generation = mds_fid->generation;
-        lcr->lcr_fid.f_type = mds_fid->f_type;
-        lcr->lcr_oid = oid;
-        lcr->lcr_ogen = ogen;
-
-        rc = llog_add_record(cathandle, &lcr->lcr_hdr, logcookie);
-        OBD_FREE(lcr, sizeof(*lcr));
+        if (ctxt->loc_obd->obd_stopping)
+                RETURN(LLOG_PROC_BREAK);
 
-        if (rc > 0) {
-                LASSERT(rc == sizeof(*logcookie));
-                rc = 0;
+        if (rec == NULL) {
+                cfs_spin_lock(&ctxt->loc_obd->u.filter.fo_flags_lock);
+                ctxt->loc_obd->u.filter.fo_mds_ost_sync = 0;
+                cfs_spin_unlock(&ctxt->loc_obd->u.filter.fo_flags_lock);
+                RETURN(0);
         }
-        RETURN(rc);
-}
-
-int filter_log_op_orphan(struct llog_handle *cathandle, obd_id oid,
-                         obd_count ogen, struct llog_cookie *logcookie)
-{
-        struct llog_orphan_rec *lor;
-        int rc;
-        ENTRY;
 
-        OBD_ALLOC(lor, sizeof(*lor));
-        if (lor == NULL)
-                RETURN(-ENOMEM);
-        lor->lor_hdr.lth_len = lor->lor_end_len = sizeof(*lor);
-        lor->lor_hdr.lth_type = OST_ORPHAN_REC;
-        lor->lor_oid = oid;
-        lor->lor_ogen = ogen;
-
-        rc = llog_add_record(cathandle, &lor->lor_hdr, logcookie);
+        if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
+                CERROR("log is not plain\n");
+                RETURN(-EINVAL);
+        }
 
-        if (rc > 0) {
-                LASSERT(rc == sizeof(*logcookie));
-                rc = 0;
+        OBD_FAIL_TIMEOUT(OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT, 30);
+        cookie.lgc_lgl = llh->lgh_id;
+        cookie.lgc_subsys = LLOG_MDS_OST_ORIG_CTXT;
+        cookie.lgc_index = rec->lrh_index;
+
+        switch (rec->lrh_type) {
+        case MDS_UNLINK_REC:
+                rc = filter_recov_log_unlink_cb(ctxt, rec, &cookie);
+                break;
+        case MDS_SETATTR64_REC:
+                rc = filter_recov_log_setattr_cb(ctxt, rec, &cookie);
+                break;
+        case LLOG_GEN_REC: {
+                struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
+
+                if (llog_gen_lt(lgr->lgr_gen, ctxt->loc_gen))
+                        rc = 0;
+                else
+                        rc = LLOG_PROC_BREAK;
+                CDEBUG(D_HA, "fetch generation log, send cookie\n");
+               llog_cancel(NULL, ctxt, NULL, 1, &cookie, 0);
+                RETURN(rc);
+                }
+                break;
+        default:
+                CERROR("log record type %08x unknown\n", rec->lrh_type);
+                RETURN(-EINVAL);
+                break;
         }
+
         RETURN(rc);
 }