-/* -*- 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.
*
* 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
- *
- * 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Orphan handling code
*
* Author: Mike Pershin <tappro@clusterfs.com>
+ * Pravin B Shelar <pravin.shelar@sun.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <obd.h>
#include <obd_class.h>
-#include <lustre_ver.h>
#include <obd_support.h>
#include <lustre_fid.h>
#include "mdd_internal.h"
-const char orph_index_name[] = "orphans";
-
-static const struct dt_index_features orph_index_features = {
- .dif_flags = DT_IND_UPDATE,
- .dif_keysize_min = sizeof(struct orph_key),
- .dif_keysize_max = sizeof(struct orph_key),
- .dif_recsize_min = sizeof(loff_t),
- .dif_recsize_max = sizeof(loff_t)
-};
+static const char mdd_orphan_index_name[] = MDT_ORPHAN_DIR;
+static const char dotdot[] = "..";
enum {
- ORPH_OP_UNLINK,
- ORPH_OP_TRUNCATE
+ ORPH_OP_UNLINK,
};
-static struct orph_key *orph_key_fill(const struct lu_env *env,
- const struct lu_fid *lf, __u32 op)
+/* obsolete after 2.11, needed for upgrades from older 2.x versions */
+#define ORPHAN_FILE_NAME_FORMAT_20 "%016llx:%08x:%08x:%2x"
+
+static struct dt_key *mdd_orphan_key_fill(const struct lu_env *env,
+ const struct lu_fid *lf)
{
- struct orph_key *key = &mdd_env_info(env)->mti_orph_key;
- LASSERT(key);
- fid_cpu_to_be(&key->ok_fid, lf);
- key->ok_op = cpu_to_be32(op);
- return key;
+ char *key = mdd_env_info(env)->mti_key;
+
+ LASSERT(key);
+ snprintf(key, sizeof(mdd_env_info(env)->mti_key),
+ DFID_NOBRACE, PFID(lf));
+
+ return (struct dt_key *)key;
}
-static int orph_index_insert(const struct lu_env *env,
- struct mdd_object *obj, __u32 op,
- loff_t *offset, struct thandle *th)
+/* compatibility with orphan files created in versions before 2.11 */
+static struct dt_key *mdd_orphan_key_fill_20(const struct lu_env *env,
+ const struct lu_fid *lf)
{
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- struct dt_object *dor = mdd->mdd_orphans;
- struct orph_key *key = orph_key_fill(env, mdo2fid(obj), op);
- int rc;
- ENTRY;
-
- rc = dor->do_index_ops->dio_insert(env, dor, (struct dt_rec *)offset,
- (struct dt_key *)key, th,
- BYPASS_CAPA);
- RETURN(rc);
+ char *key = mdd_env_info(env)->mti_key;
+
+ LASSERT(key);
+ snprintf(key, sizeof(mdd_env_info(env)->mti_key),
+ ORPHAN_FILE_NAME_FORMAT_20,
+ fid_seq(lf), fid_oid(lf), fid_ver(lf), ORPH_OP_UNLINK);
+
+ return (struct dt_key *)key;
}
-static int orph_index_delete(const struct lu_env *env,
- struct mdd_object *obj, __u32 op,
- struct thandle *th)
+static inline int mdd_orphan_insert_obj(const struct lu_env *env,
+ struct mdd_device *mdd,
+ struct mdd_object *obj,
+ struct thandle *th)
{
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- struct dt_object *dor = mdd->mdd_orphans;
- struct orph_key *key = orph_key_fill(env, mdo2fid(obj), op);
- int rc;
- ENTRY;
- LASSERT(dor);
- rc = dor->do_index_ops->dio_delete(env, dor,
- (struct dt_key *)key, th,
- BYPASS_CAPA);
- RETURN(rc);
+ struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
+ struct dt_object *dor = mdd->mdd_orphans;
+ const struct lu_fid *lf = mdo2fid(obj);
+ struct dt_key *key = mdd_orphan_key_fill(env, lf);
+ rec->rec_fid = lf;
+ rec->rec_type = mdd_object_type(obj);
+
+ return dt_insert(env, dor, (const struct dt_rec *)rec, key, th);
}
-static inline struct orph_key *orph_key_empty(const struct lu_env *env,
- __u32 op)
+int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
+ umode_t mode, struct thandle *th)
{
- struct orph_key *key = &mdd_env_info(env)->mti_orph_key;
- LASSERT(key);
- fid_zero(&key->ok_fid);
- key->ok_op = cpu_to_be32(op);
- return key;
+ struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ struct dt_key *key;
+ int rc;
+
+ key = mdd_orphan_key_fill(env, mdo2fid(obj));
+
+ rec->rec_fid = mdo2fid(obj);
+ rec->rec_type = mode;
+ rc = dt_declare_insert(env, mdd->mdd_orphans,
+ (const struct dt_rec *)rec, key, th);
+ if (rc != 0)
+ return rc;
+
+ rc = mdo_declare_ref_add(env, obj, th);
+ if (rc)
+ return rc;
+
+ if (!S_ISDIR(mode))
+ return 0;
+
+ rc = mdo_declare_ref_add(env, obj, th);
+ if (rc)
+ return rc;
+
+ rc = dt_declare_ref_add(env, mdd->mdd_orphans, th);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_index_delete(env, obj, dotdot, th);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_index_insert(env, obj,
+ lu_object_fid(&mdd->mdd_orphans->do_lu),
+ S_IFDIR, dotdot, th);
+
+ return rc;
}
-static void orph_key_test_and_del(const struct lu_env *env,
- struct mdd_device *mdd,
- const struct orph_key *key)
+/**
+ * add an orphan \a obj to the orphan index.
+ * \param obj file or directory.
+ * \param th transaction for index insert.
+ *
+ * \pre obj nlink == 0 && obj->mod_count != 0
+ *
+ * \retval 0 success
+ * \retval -ve index operation error.
+ */
+int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
+ struct thandle *th)
{
- struct mdd_object *mdo;
-
- mdo = mdd_object_find(env, mdd, &key->ok_fid);
- if (IS_ERR(mdo))
- CERROR("Invalid orphan!\n");
- else {
- mdd_write_lock(env, mdo);
- if (mdo->mod_count == 0) {
- /* non-opened orphan, let's delete it */
- struct md_attr *ma = &mdd_env_info(env)->mti_ma;
- CWARN("Found orphan!\n");
- mdd_object_kill(env, mdo, ma);
- /* TODO: now handle OST objects */
- //mdd_ost_objects_destroy(env, ma);
- /* TODO: destroy index entry */
- }
- mdd_write_unlock(env, mdo);
- mdd_object_put(env, mdo);
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ struct dt_object *dor = mdd->mdd_orphans;
+ const struct lu_fid *lf_dor = lu_object_fid(&dor->do_lu);
+ struct dt_object *next = mdd_object_child(obj);
+ struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
+ int rc;
+ ENTRY;
+
+ LASSERT(mdd_write_locked(env, obj) != 0);
+ LASSERT(!(obj->mod_flags & ORPHAN_OBJ));
+
+ dt_write_lock(env, mdd->mdd_orphans, DT_TGT_ORPHAN);
+
+ rc = mdd_orphan_insert_obj(env, mdd, obj, th);
+ if (rc)
+ GOTO(out, rc);
+
+ mdo_ref_add(env, obj, th);
+ if (!S_ISDIR(mdd_object_type(obj)))
+ GOTO(out, rc = 0);
+
+ mdo_ref_add(env, obj, th);
+ dt_ref_add(env, mdd->mdd_orphans, th);
+
+ /* try best to fixup directory, do not return errors from here */
+ if (!dt_try_as_dir(env, next))
+ GOTO(out, rc = 0);
+
+ dt_delete(env, next, (const struct dt_key *)dotdot, th);
+
+ rec->rec_fid = lf_dor;
+ rec->rec_type = S_IFDIR;
+ dt_insert(env, next, (const struct dt_rec *)rec,
+ (const struct dt_key *)dotdot, th);
+
+out:
+ if (rc == 0)
+ obj->mod_flags |= ORPHAN_OBJ;
+
+ dt_write_unlock(env, mdd->mdd_orphans);
+
+ RETURN(rc);
+}
+
+int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
+ struct thandle *th)
+{
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ struct dt_key *key;
+ int rc;
+
+ key = mdd_orphan_key_fill(env, mdo2fid(obj));
+
+ rc = dt_declare_delete(env, mdd->mdd_orphans, key, th);
+ if (rc)
+ return rc;
+
+ if (!mdd_object_exists(obj))
+ return -ENOENT;
+
+ rc = mdo_declare_ref_del(env, obj, th);
+ if (rc)
+ return rc;
+
+ if (S_ISDIR(mdd_object_type(obj))) {
+ rc = mdo_declare_ref_del(env, obj, th);
+ if (rc)
+ return rc;
+
+ rc = dt_declare_ref_del(env, mdd->mdd_orphans, th);
}
+
+ return rc;
+}
+
+/**
+ * delete an orphan \a obj from orphan index.
+ * \param obj file or directory.
+ * \param th transaction for index deletion and object destruction.
+ *
+ * \pre obj->mod_count == 0 && ORPHAN_OBJ is set for obj.
+ *
+ * \retval 0 success
+ * \retval -ve index operation error.
+ */
+int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
+ struct thandle *th)
+{
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ struct dt_object *dor = mdd->mdd_orphans;
+ struct dt_key *key;
+ int rc = 0;
+
+ ENTRY;
+
+ LASSERT(mdd_write_locked(env, obj) != 0);
+ LASSERT(obj->mod_flags & ORPHAN_OBJ);
+ LASSERT(obj->mod_count == 0);
+
+ LASSERT(dor);
+
+ key = mdd_orphan_key_fill(env, mdo2fid(obj));
+ dt_write_lock(env, mdd->mdd_orphans, DT_TGT_ORPHAN);
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_ORPHAN_DELETE))
+ goto ref_del;
+
+ rc = dt_delete(env, mdd->mdd_orphans, key, th);
+ if (rc == -ENOENT) {
+ key = mdd_orphan_key_fill_20(env, mdo2fid(obj));
+ rc = dt_delete(env, mdd->mdd_orphans, key, th);
+ }
+
+ref_del:
+ if (!rc) {
+ /* lov objects will be destroyed by caller */
+ mdo_ref_del(env, obj, th);
+ if (S_ISDIR(mdd_object_type(obj))) {
+ mdo_ref_del(env, obj, th);
+ dt_ref_del(env, mdd->mdd_orphans, th);
+ }
+ obj->mod_flags &= ~ORPHAN_OBJ;
+ } else {
+ CERROR("%s: could not delete orphan object "DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, PFID(mdo2fid(obj)), rc);
+ }
+
+ dt_write_unlock(env, mdd->mdd_orphans);
+ RETURN(rc);
}
-static int orph_index_iterate(const struct lu_env *env,
- struct mdd_device *mdd)
+
+static int mdd_orphan_destroy(const struct lu_env *env, struct mdd_object *obj,
+ struct dt_key *key)
{
- struct dt_object *dt_obj = mdd->mdd_orphans;
- struct dt_it *it;
- struct dt_it_ops *iops;
- struct orph_key *key = orph_key_empty(env, 0);
- int result;
- ENTRY;
-
- iops = &dt_obj->do_index_ops->dio_it;
- it = iops->init(env, dt_obj, 1, BYPASS_CAPA);
- if (it != NULL) {
- result = iops->get(env, it, (const void *)key);
- if (result > 0) {
- int i;
- /* main cycle */
- for (result = 0, i = 0; result == +1; ++i) {
- key = (void *)iops->key(env, it);
- fid_be_to_cpu(&key->ok_fid, &key->ok_fid);
- orph_key_test_and_del(env, mdd, key);
- result = iops->next(env, it);
- }
- } else if (result == 0)
- /* Index contains no zero key? */
- result = -EIO;
-
- iops->put(env, it);
- iops->fini(env, it);
- } else
- result = -ENOMEM;
-
- RETURN(result);
+ struct thandle *th = NULL;
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ bool orphan_exists = true;
+ int rc = 0;
+ ENTRY;
+
+ th = mdd_trans_create(env, mdd);
+ if (IS_ERR(th)) {
+ rc = PTR_ERR(th);
+ if (rc != -EINPROGRESS)
+ CERROR("%s: cannot get orphan thandle: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, rc);
+ RETURN(rc);
+ }
+
+ mdd_write_lock(env, obj, DT_TGT_CHILD);
+ rc = mdd_orphan_declare_delete(env, obj, th);
+ if (rc == -ENOENT)
+ orphan_exists = false;
+ else if (rc)
+ GOTO(unlock, rc);
+
+ if (orphan_exists) {
+ rc = mdo_declare_destroy(env, obj, th);
+ if (rc)
+ GOTO(unlock, rc);
+ }
+
+ rc = mdd_trans_start(env, mdd, th);
+ if (rc)
+ GOTO(unlock, rc);
+
+ if (likely(obj->mod_count == 0)) {
+ dt_write_lock(env, mdd->mdd_orphans, DT_TGT_ORPHAN);
+ rc = dt_delete(env, mdd->mdd_orphans, key, th);
+ if (rc) {
+ CERROR("%s: could not delete orphan "DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, PFID(mdo2fid(obj)),
+ rc);
+ } else if (orphan_exists) {
+ mdo_ref_del(env, obj, th);
+ if (S_ISDIR(mdd_object_type(obj))) {
+ mdo_ref_del(env, obj, th);
+ dt_ref_del(env, mdd->mdd_orphans, th);
+ }
+ rc = mdo_destroy(env, obj, th);
+ } else {
+ CWARN("%s: orphan %s "DFID" doesn't exist\n",
+ mdd2obd_dev(mdd)->obd_name, (char *)key,
+ PFID(mdo2fid(obj)));
+ }
+ dt_write_unlock(env, mdd->mdd_orphans);
+ }
+unlock:
+ mdd_write_unlock(env, obj);
+
+ rc = mdd_trans_stop(env, mdd, 0, th);
+
+ RETURN(rc);
}
-int orph_index_init(const struct lu_env *env, struct mdd_device *mdd)
+/**
+ * Delete unused orphan with FID \a lf from PENDING directory
+ *
+ * \param mdd MDD device finishing recovery
+ * \param lf FID of file or directory to delete
+ * \param key cookie for this entry in index iterator
+ *
+ * \retval 0 success
+ * \retval -ve error
+ */
+static int mdd_orphan_key_test_and_delete(const struct lu_env *env,
+ struct mdd_device *mdd,
+ struct lu_fid *lf, struct dt_key *key)
{
- struct lu_fid fid;
- struct dt_object *d;
- int rc;
- ENTRY;
-
- d = dt_store_open(env, mdd->mdd_child, orph_index_name, &fid);
- if (!IS_ERR(d)) {
- mdd->mdd_orphans = d;
- rc = d->do_ops->do_index_try(env, d, &orph_index_features);
- if (rc == 0)
- LASSERT(d->do_index_ops != NULL);
- else
- CERROR("\"%s\" is not an index!\n", orph_index_name);
+ struct mdd_object *mdo;
+ int rc;
+
+ mdo = mdd_object_find(env, mdd, lf);
+
+ if (IS_ERR(mdo))
+ return PTR_ERR(mdo);
+
+ rc = -EBUSY;
+ if (mdo->mod_count == 0) {
+ CDEBUG(D_HA, "Found orphan "DFID", delete it\n", PFID(lf));
+ rc = mdd_orphan_destroy(env, mdo, key);
+ if (rc) /* so replay-single.sh test_37 works */
+ CERROR("%s: error unlinking orphan "DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, PFID(lf), rc);
} else {
- CERROR("cannot find \"%s\" obj %d\n",
- orph_index_name, (int)PTR_ERR(d));
- rc = PTR_ERR(d);
+ mdd_write_lock(env, mdo, DT_TGT_CHILD);
+ if (likely(mdo->mod_count > 0)) {
+ CDEBUG(D_HA, "Found orphan "DFID" count %d, skip it\n",
+ PFID(lf), mdo->mod_count);
+ mdo->mod_flags |= ORPHAN_OBJ;
+ }
+ mdd_write_unlock(env, mdo);
}
- RETURN(rc);
+ mdd_object_put(env, mdo);
+ return rc;
}
-void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd)
+/**
+ * delete unreferenced files and directories in the PENDING directory
+ *
+ * Files that remain in PENDING after client->MDS recovery has completed
+ * have to be referenced (opened) by some client during recovery, or they
+ * will be deleted here (for clients that did not complete recovery).
+ *
+ * \param thread info about orphan cleanup thread
+ *
+ * \retval 0 success
+ * \retval -ve error
+ */
+static int mdd_orphan_index_iterate(const struct lu_env *env,
+ struct mdd_generic_thread *thread)
{
- ENTRY;
- if (mdd->mdd_orphans != NULL) {
- lu_object_put(env, &mdd->mdd_orphans->do_lu);
- mdd->mdd_orphans = NULL;
- }
- EXIT;
+ struct mdd_device *mdd = (struct mdd_device *)thread->mgt_data;
+ struct dt_object *dor = mdd->mdd_orphans;
+ struct lu_dirent *ent = &mdd_env_info(env)->mti_ent;
+ const struct dt_it_ops *iops;
+ struct dt_it *it;
+ struct lu_fid fid;
+ int key_sz = 0;
+ int rc;
+ __u64 cookie;
+ ENTRY;
+
+ iops = &dor->do_index_ops->dio_it;
+ it = iops->init(env, dor, LUDA_64BITHASH);
+ if (IS_ERR(it)) {
+ rc = PTR_ERR(it);
+ CERROR("%s: cannot clean '%s': rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, mdd_orphan_index_name, rc);
+ GOTO(out, rc);
+ }
+
+ rc = iops->load(env, it, 0);
+ if (rc < 0)
+ GOTO(out_put, rc);
+ if (rc == 0) {
+ CERROR("%s: error loading iterator to clean '%s'\n",
+ mdd2obd_dev(mdd)->obd_name, mdd_orphan_index_name);
+ /* Index contains no zero key? */
+ GOTO(out_put, rc = -EIO);
+ }
+
+ do {
+ if (thread->mgt_abort)
+ break;
+
+ key_sz = iops->key_size(env, it);
+ /* filter out "." and ".." entries from PENDING dir. */
+ if (key_sz < 8)
+ goto next;
+
+ rc = iops->rec(env, it, (struct dt_rec *)ent, LUDA_64BITHASH);
+ if (rc != 0) {
+ CERROR("%s: fail to get FID for orphan it: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, rc);
+ goto next;
+ }
+
+ fid_le_to_cpu(&fid, &ent->lde_fid);
+ if (!fid_is_sane(&fid)) {
+ CERROR("%s: bad FID "DFID" cleaning '%s'\n",
+ mdd2obd_dev(mdd)->obd_name, PFID(&fid),
+ mdd_orphan_index_name);
+ goto next;
+ }
+
+ /* kill orphan object */
+ cookie = iops->store(env, it);
+ iops->put(env, it);
+ rc = mdd_orphan_key_test_and_delete(env, mdd, &fid,
+ (struct dt_key *)ent->lde_name);
+
+ /* after index delete reset iterator */
+ if (rc == 0)
+ rc = iops->get(env, it, (const void *)"");
+ else
+ rc = iops->load(env, it, cookie);
+next:
+ rc = iops->next(env, it);
+ } while (rc == 0);
+
+ GOTO(out_put, rc = 0);
+out_put:
+ iops->put(env, it);
+ iops->fini(env, it);
+
+out:
+ return rc;
+}
+
+/**
+ * open the PENDING directory for device \a mdd
+ *
+ * The PENDING directory persistently tracks files and directories that were
+ * unlinked from the namespace (nlink == 0) but are still held open by clients.
+ * Those inodes shouldn't be deleted if the MDS crashes, because the clients
+ * would not be able to recover and reopen those files. Instead, these inodes
+ * are linked into the PENDING directory on disk, and only deleted if all
+ * clients close them, or the MDS finishes client recovery without any client
+ * reopening them (i.e. former clients didn't join recovery).
+ * \param d mdd device being started.
+ *
+ * \retval 0 success
+ * \retval -ve index operation error.
+ *
+ */
+int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd)
+{
+ struct lu_fid fid;
+ struct dt_object *d;
+ int rc = 0;
+
+ ENTRY;
+
+ /* create PENDING dir */
+ fid_zero(&fid);
+ rc = mdd_local_file_create(env, mdd, &mdd->mdd_local_root_fid,
+ mdd_orphan_index_name, S_IFDIR | S_IRUGO |
+ S_IWUSR | S_IXUGO, &fid);
+ if (rc < 0)
+ RETURN(rc);
+
+ d = dt_locate(env, mdd->mdd_child, &fid);
+ if (IS_ERR(d))
+ RETURN(PTR_ERR(d));
+ LASSERT(lu_object_exists(&d->do_lu));
+ if (!dt_try_as_dir(env, d)) {
+ CERROR("%s: orphan dir '%s' is not an index: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, mdd_orphan_index_name, rc);
+ dt_object_put(env, d);
+ RETURN(-ENOTDIR);
+ }
+ mdd->mdd_orphans = d;
+ RETURN(0);
}
-int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d)
+void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd)
{
- return orph_index_iterate(env, d);
+ ENTRY;
+ if (mdd->mdd_orphans != NULL) {
+ dt_object_put(env, mdd->mdd_orphans);
+ mdd->mdd_orphans = NULL;
+ }
+ EXIT;
}
-int __mdd_orphan_add(const struct lu_env *env,
- struct mdd_object *obj, struct thandle *th)
+static int mdd_orphan_cleanup_thread(void *args)
{
- loff_t offset = 0;
- return orph_index_insert(env, obj, ORPH_OP_UNLINK, &offset, th);
+ struct mdd_generic_thread *thread = (struct mdd_generic_thread *)args;
+ struct lu_env *env = NULL;
+ int rc;
+ ENTRY;
+
+ complete(&thread->mgt_started);
+
+ OBD_ALLOC_PTR(env);
+ if (env == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ rc = lu_env_init(env, LCT_MD_THREAD);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mdd_orphan_index_iterate(env, thread);
+
+ lu_env_fini(env);
+ GOTO(out, rc);
+out:
+ if (env)
+ OBD_FREE_PTR(env);
+ complete(&thread->mgt_finished);
+ return rc;
}
-int __mdd_orphan_del(const struct lu_env *env,
- struct mdd_object *obj, struct thandle *th)
+/**
+ * Iterate orphan index to cleanup orphan objects after recovery is done.
+ * \param d mdd device in recovery.
+ */
+int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d)
{
- return orph_index_delete(env, obj, ORPH_OP_UNLINK, th);
+ int rc = -ENOMEM;
+ char *name = NULL;
+
+ OBD_ALLOC(name, MTI_NAME_MAXLEN);
+ if (name == NULL)
+ goto out;
+
+ snprintf(name, MTI_NAME_MAXLEN, "orph_%s", mdd2obd_dev(d)->obd_name);
+
+ rc = mdd_generic_thread_start(&d->mdd_orphan_cleanup_thread,
+ mdd_orphan_cleanup_thread, d, name);
+out:
+ if (rc)
+ CERROR("%s: start orphan cleanup thread failed: rc = %d\n",
+ mdd2obd_dev(d)->obd_name, rc);
+ if (name)
+ OBD_FREE(name, MTI_NAME_MAXLEN);
+
+ return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff