#define MDS_DIR_DUMMY_START 0xffffffffffffffffULL
const char lfsck_bookmark_name[] = "lfsck_bookmark";
+const char lfsck_namespace_name[] = "lfsck_namespace";
/* misc functions */
return mdd2obd_dev(mdd)->obd_name;
}
+static inline void mdd_lfsck_component_get(struct lfsck_component *com)
+{
+ atomic_inc(&com->lc_ref);
+}
+
static inline void mdd_lfsck_component_put(const struct lu_env *env,
struct lfsck_component *com)
{
spin_unlock(&lfsck->ml_lock);
}
+static inline void mdd_lfsck_pos_set_zero(struct lfsck_position *pos)
+{
+ memset(pos, 0, sizeof(*pos));
+}
+
static inline int mdd_lfsck_pos_is_zero(const struct lfsck_position *pos)
{
return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
return rc;
}
+/* lfsck_namespace file ops */
+
+static void inline mdd_lfsck_position_to_cpu(struct lfsck_position *des,
+ struct lfsck_position *src)
+{
+ des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
+ fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
+ des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
+}
+
+static void inline mdd_lfsck_position_to_le(struct lfsck_position *des,
+ struct lfsck_position *src)
+{
+ des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
+ fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
+ des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
+}
+
+static void inline mdd_lfsck_namespace_to_cpu(struct lfsck_namespace *des,
+ struct lfsck_namespace *src)
+{
+ des->ln_magic = le32_to_cpu(src->ln_magic);
+ des->ln_status = le32_to_cpu(src->ln_status);
+ des->ln_flags = le32_to_cpu(src->ln_flags);
+ des->ln_success_count = le32_to_cpu(src->ln_success_count);
+ des->ln_run_time_phase1 = le32_to_cpu(src->ln_run_time_phase1);
+ des->ln_run_time_phase2 = le32_to_cpu(src->ln_run_time_phase2);
+ des->ln_time_last_complete = le64_to_cpu(src->ln_time_last_complete);
+ des->ln_time_latest_start = le64_to_cpu(src->ln_time_latest_start);
+ des->ln_time_last_checkpoint =
+ le64_to_cpu(src->ln_time_last_checkpoint);
+ mdd_lfsck_position_to_cpu(&des->ln_pos_latest_start,
+ &src->ln_pos_latest_start);
+ mdd_lfsck_position_to_cpu(&des->ln_pos_last_checkpoint,
+ &src->ln_pos_last_checkpoint);
+ mdd_lfsck_position_to_cpu(&des->ln_pos_first_inconsistent,
+ &src->ln_pos_first_inconsistent);
+ des->ln_items_checked = le64_to_cpu(src->ln_items_checked);
+ des->ln_items_repaired = le64_to_cpu(src->ln_items_repaired);
+ des->ln_items_failed = le64_to_cpu(src->ln_items_failed);
+ des->ln_dirs_checked = le64_to_cpu(src->ln_dirs_checked);
+ des->ln_mlinked_checked = le64_to_cpu(src->ln_mlinked_checked);
+ des->ln_objs_checked_phase2 = le64_to_cpu(src->ln_objs_checked_phase2);
+ des->ln_objs_repaired_phase2 =
+ le64_to_cpu(src->ln_objs_repaired_phase2);
+ des->ln_objs_failed_phase2 = le64_to_cpu(src->ln_objs_failed_phase2);
+ des->ln_objs_nlink_repaired = le64_to_cpu(src->ln_objs_nlink_repaired);
+ des->ln_objs_lost_found = le64_to_cpu(src->ln_objs_lost_found);
+ fid_le_to_cpu(&des->ln_fid_latest_scanned_phase2,
+ &src->ln_fid_latest_scanned_phase2);
+}
+
+static void inline mdd_lfsck_namespace_to_le(struct lfsck_namespace *des,
+ struct lfsck_namespace *src)
+{
+ des->ln_magic = cpu_to_le32(src->ln_magic);
+ des->ln_status = cpu_to_le32(src->ln_status);
+ des->ln_flags = cpu_to_le32(src->ln_flags);
+ des->ln_success_count = cpu_to_le32(src->ln_success_count);
+ des->ln_run_time_phase1 = cpu_to_le32(src->ln_run_time_phase1);
+ des->ln_run_time_phase2 = cpu_to_le32(src->ln_run_time_phase2);
+ des->ln_time_last_complete = cpu_to_le64(src->ln_time_last_complete);
+ des->ln_time_latest_start = cpu_to_le64(src->ln_time_latest_start);
+ des->ln_time_last_checkpoint =
+ cpu_to_le64(src->ln_time_last_checkpoint);
+ mdd_lfsck_position_to_le(&des->ln_pos_latest_start,
+ &src->ln_pos_latest_start);
+ mdd_lfsck_position_to_le(&des->ln_pos_last_checkpoint,
+ &src->ln_pos_last_checkpoint);
+ mdd_lfsck_position_to_le(&des->ln_pos_first_inconsistent,
+ &src->ln_pos_first_inconsistent);
+ des->ln_items_checked = cpu_to_le64(src->ln_items_checked);
+ des->ln_items_repaired = cpu_to_le64(src->ln_items_repaired);
+ des->ln_items_failed = cpu_to_le64(src->ln_items_failed);
+ des->ln_dirs_checked = cpu_to_le64(src->ln_dirs_checked);
+ des->ln_mlinked_checked = cpu_to_le64(src->ln_mlinked_checked);
+ des->ln_objs_checked_phase2 = cpu_to_le64(src->ln_objs_checked_phase2);
+ des->ln_objs_repaired_phase2 =
+ cpu_to_le64(src->ln_objs_repaired_phase2);
+ des->ln_objs_failed_phase2 = cpu_to_le64(src->ln_objs_failed_phase2);
+ des->ln_objs_nlink_repaired = cpu_to_le64(src->ln_objs_nlink_repaired);
+ des->ln_objs_lost_found = cpu_to_le64(src->ln_objs_lost_found);
+ fid_cpu_to_le(&des->ln_fid_latest_scanned_phase2,
+ &src->ln_fid_latest_scanned_phase2);
+}
+
+/**
+ * \retval +ve: the lfsck_namespace is broken, the caller should reset it.
+ * \retval 0: succeed.
+ * \retval -ve: failed cases.
+ */
+static int mdd_lfsck_namespace_load(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ int len = com->lc_file_size;
+ int rc;
+
+ rc = dt_xattr_get(env, com->lc_obj,
+ mdd_buf_get(env, com->lc_file_disk, len),
+ XATTR_NAME_LFSCK_NAMESPACE, BYPASS_CAPA);
+ if (rc == len) {
+ struct lfsck_namespace *ns = com->lc_file_ram;
+
+ mdd_lfsck_namespace_to_cpu(ns,
+ (struct lfsck_namespace *)com->lc_file_disk);
+ if (ns->ln_magic != LFSCK_NAMESPACE_MAGIC) {
+ CWARN("%.16s: invalid lfsck_namespace magic "
+ "0x%x != 0x%x\n",
+ mdd_lfsck2name(com->lc_lfsck),
+ ns->ln_magic, LFSCK_NAMESPACE_MAGIC);
+ rc = 1;
+ } else {
+ rc = 0;
+ }
+ } else if (rc != -ENODATA) {
+ CERROR("%.16s: fail to load lfsck_namespace, expected = %d, "
+ "rc = %d\n", mdd_lfsck2name(com->lc_lfsck), len, rc);
+ if (rc >= 0)
+ rc = 1;
+ }
+ return rc;
+}
+
+static int mdd_lfsck_namespace_store(const struct lu_env *env,
+ struct lfsck_component *com, bool init)
+{
+ struct dt_object *obj = com->lc_obj;
+ struct md_lfsck *lfsck = com->lc_lfsck;
+ struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
+ struct thandle *handle;
+ int len = com->lc_file_size;
+ int rc;
+ ENTRY;
+
+ mdd_lfsck_namespace_to_le((struct lfsck_namespace *)com->lc_file_disk,
+ (struct lfsck_namespace *)com->lc_file_ram);
+ handle = dt_trans_create(env, mdd->mdd_bottom);
+ if (IS_ERR(handle)) {
+ rc = PTR_ERR(handle);
+ CERROR("%.16s: fail to create trans for storing "
+ "lfsck_namespace: %d\n,", mdd_lfsck2name(lfsck), rc);
+ RETURN(rc);
+ }
+
+ rc = dt_declare_xattr_set(env, obj,
+ mdd_buf_get(env, com->lc_file_disk, len),
+ XATTR_NAME_LFSCK_NAMESPACE, 0, handle);
+ if (rc != 0) {
+ CERROR("%.16s: fail to declare trans for storing "
+ "lfsck_namespace: %d\n,", mdd_lfsck2name(lfsck), rc);
+ GOTO(out, rc);
+ }
+
+ rc = dt_trans_start_local(env, mdd->mdd_bottom, handle);
+ if (rc != 0) {
+ CERROR("%.16s: fail to start trans for storing "
+ "lfsck_namespace: %d\n,", mdd_lfsck2name(lfsck), rc);
+ GOTO(out, rc);
+ }
+
+ rc = dt_xattr_set(env, obj,
+ mdd_buf_get(env, com->lc_file_disk, len),
+ XATTR_NAME_LFSCK_NAMESPACE,
+ init ? LU_XATTR_CREATE : LU_XATTR_REPLACE,
+ handle, BYPASS_CAPA);
+ if (rc != 0)
+ CERROR("%.16s: fail to store lfsck_namespace, len = %d, "
+ "rc = %d\n", mdd_lfsck2name(lfsck), len, rc);
+
+ GOTO(out, rc);
+
+out:
+ dt_trans_stop(env, mdd->mdd_bottom, handle);
+ return rc;
+}
+
+static int mdd_lfsck_namespace_init(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
+ int rc;
+
+ memset(ns, 0, sizeof(*ns));
+ ns->ln_magic = LFSCK_NAMESPACE_MAGIC;
+ ns->ln_status = LS_INIT;
+ down_write(&com->lc_sem);
+ rc = mdd_lfsck_namespace_store(env, com, true);
+ up_write(&com->lc_sem);
+ return rc;
+}
+
+static int mdd_declare_lfsck_namespace_unlink(const struct lu_env *env,
+ struct mdd_device *mdd,
+ struct dt_object *p,
+ struct dt_object *c,
+ const char *name,
+ struct thandle *handle)
+{
+ int rc;
+
+ rc = dt_declare_delete(env, p, (const struct dt_key *)name, handle);
+ if (rc != 0)
+ return rc;
+
+ rc = dt_declare_ref_del(env, c, handle);
+ if (rc != 0)
+ return rc;
+
+ rc = dt_declare_destroy(env, c, handle);
+ return rc;
+}
+
+static int mdd_lfsck_namespace_unlink(const struct lu_env *env,
+ struct mdd_device *mdd,
+ struct lfsck_component *com)
+{
+ struct mdd_thread_info *info = mdd_env_info(env);
+ struct lu_fid *fid = &info->mti_fid;
+ struct dt_object *child = com->lc_obj;
+ struct dt_object *parent;
+ struct thandle *handle;
+ int rc;
+ ENTRY;
+
+ parent = dt_store_resolve(env, mdd->mdd_bottom, "", fid);
+ if (IS_ERR(parent))
+ RETURN(rc = PTR_ERR(parent));
+
+ if (dt_try_as_dir(env, parent))
+ GOTO(out, rc = -ENOTDIR);
+
+ handle = dt_trans_create(env, mdd->mdd_bottom);
+ if (IS_ERR(handle))
+ GOTO(out, rc = PTR_ERR(handle));
+
+ rc = mdd_declare_lfsck_namespace_unlink(env, mdd, parent, child,
+ lfsck_namespace_name, handle);
+ if (rc != 0)
+ GOTO(stop, rc);
+
+ rc = dt_trans_start_local(env, mdd->mdd_bottom, handle);
+ if (rc != 0)
+ GOTO(stop, rc);
+
+ rc = dt_delete(env, parent, (struct dt_key *)lfsck_namespace_name,
+ handle, BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(stop, rc);
+
+ rc = child->do_ops->do_ref_del(env, child, handle);
+ if (rc != 0) {
+ lu_local_obj_fid(fid, LFSCK_NAMESPACE_OID);
+ rc = dt_insert(env, parent,
+ (const struct dt_rec*)fid,
+ (const struct dt_key *)lfsck_namespace_name,
+ handle, BYPASS_CAPA, 1);
+
+ GOTO(stop, rc);
+ }
+
+
+ rc = dt_destroy(env, child, handle);
+ if (rc == 0) {
+ lu_object_put(env, &child->do_lu);
+ com->lc_obj = NULL;
+ }
+
+ GOTO(stop, rc);
+
+stop:
+ dt_trans_stop(env, mdd->mdd_bottom, handle);
+
+out:
+ lu_object_put(env, &parent->do_lu);
+ return rc;
+}
+
+/* namespace APIs */
+
+static int mdd_lfsck_namespace_reset(const struct lu_env *env,
+ struct lfsck_component *com, bool init)
+{
+ struct mdd_thread_info *info = mdd_env_info(env);
+ struct lu_fid *fid = &info->mti_fid;
+ struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
+ struct mdd_device *mdd = mdd_lfsck2mdd(com->lc_lfsck);
+ struct md_object *mdo;
+ struct dt_object *dto;
+ int rc;
+ ENTRY;
+
+ down_write(&com->lc_sem);
+ if (init) {
+ memset(ns, 0, sizeof(*ns));
+ } else {
+ __u32 count = ns->ln_success_count;
+ __u64 last_time = ns->ln_time_last_complete;
+
+ memset(ns, 0, sizeof(*ns));
+ ns->ln_success_count = count;
+ ns->ln_time_last_complete = last_time;
+ }
+ ns->ln_magic = LFSCK_NAMESPACE_MAGIC;
+ ns->ln_status = LS_INIT;
+
+ rc = mdd_lfsck_namespace_unlink(env, mdd, com);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ lu_local_obj_fid(fid, LFSCK_NAMESPACE_OID);
+ mdo = llo_store_create_index(env, &mdd->mdd_md_dev, mdd->mdd_bottom, "",
+ lfsck_namespace_name, fid,
+ &dt_lfsck_features);
+ if (IS_ERR(mdo))
+ GOTO(out, rc = PTR_ERR(mdo));
+
+ lu_object_put(env, &mdo->mo_lu);
+ dto = dt_store_open(env, mdd->mdd_bottom, "", lfsck_namespace_name, fid);
+ if (IS_ERR(dto))
+ GOTO(out, rc = PTR_ERR(dto));
+
+ com->lc_obj = dto;
+ rc = dto->do_ops->do_index_try(env, dto, &dt_lfsck_features);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ rc = mdd_lfsck_namespace_store(env, com, true);
+
+ GOTO(out, rc);
+
+out:
+ up_write(&com->lc_sem);
+ return rc;
+}
+
+static void
+mdd_lfsck_namespace_fail(const struct lu_env *env, struct lfsck_component *com,
+ bool oit, bool new_checked)
+{
+ struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
+
+ down_write(&com->lc_sem);
+ if (new_checked)
+ com->lc_new_checked++;
+ ns->ln_items_failed++;
+ if (mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent))
+ mdd_lfsck_pos_fill(env, com->lc_lfsck,
+ &ns->ln_pos_first_inconsistent, oit, !oit);
+ up_write(&com->lc_sem);
+}
+
+static int mdd_lfsck_namespace_checkpoint(const struct lu_env *env,
+ struct lfsck_component *com,
+ bool init)
+{
+ struct md_lfsck *lfsck = com->lc_lfsck;
+ struct lfsck_namespace *ns =
+ (struct lfsck_namespace *)com->lc_file_ram;
+ int rc;
+
+ if (com->lc_new_checked == 0 && !init)
+ return 0;
+
+ down_write(&com->lc_sem);
+
+ ns->ln_pos_last_checkpoint = lfsck->ml_pos_current;
+ if (init) {
+ ns->ln_time_last_checkpoint = ns->ln_time_latest_start;
+ ns->ln_pos_latest_start = lfsck->ml_pos_current;
+ } else {
+ ns->ln_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
+ HALF_SEC - lfsck->ml_time_last_checkpoint);
+ ns->ln_time_last_checkpoint = cfs_time_current_sec();
+ ns->ln_items_checked += com->lc_new_checked;
+ com->lc_new_checked = 0;
+ }
+
+ rc = mdd_lfsck_namespace_store(env, com, false);
+
+ up_write(&com->lc_sem);
+ return rc;
+}
+
+static int mdd_lfsck_namespace_prep(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct md_lfsck *lfsck = com->lc_lfsck;
+ struct lfsck_namespace *ns =
+ (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_position *pos = &com->lc_pos_start;
+
+ if (ns->ln_status == LS_COMPLETED) {
+ int rc;
+
+ rc = mdd_lfsck_namespace_reset(env, com, false);
+ if (rc != 0)
+ return rc;
+ }
+
+ down_write(&com->lc_sem);
+
+ ns->ln_time_latest_start = cfs_time_current_sec();
+
+ spin_lock(&lfsck->ml_lock);
+ if (ns->ln_flags & LF_SCANNED_ONCE) {
+ if (!lfsck->ml_drop_dryrun ||
+ mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent)) {
+ ns->ln_status = LS_SCANNING_PHASE2;
+ cfs_list_del_init(&com->lc_link);
+ cfs_list_add_tail(&com->lc_link,
+ &lfsck->ml_list_double_scan);
+ if (!cfs_list_empty(&com->lc_link_dir))
+ cfs_list_del_init(&com->lc_link_dir);
+ mdd_lfsck_pos_set_zero(pos);
+ } else {
+ ns->ln_status = LS_SCANNING_PHASE1;
+ ns->ln_run_time_phase1 = 0;
+ ns->ln_run_time_phase2 = 0;
+ ns->ln_items_checked = 0;
+ ns->ln_items_repaired = 0;
+ ns->ln_items_failed = 0;
+ ns->ln_dirs_checked = 0;
+ ns->ln_mlinked_checked = 0;
+ ns->ln_objs_checked_phase2 = 0;
+ ns->ln_objs_repaired_phase2 = 0;
+ ns->ln_objs_failed_phase2 = 0;
+ ns->ln_objs_nlink_repaired = 0;
+ ns->ln_objs_lost_found = 0;
+ fid_zero(&ns->ln_fid_latest_scanned_phase2);
+ if (cfs_list_empty(&com->lc_link_dir))
+ cfs_list_add_tail(&com->lc_link_dir,
+ &lfsck->ml_list_dir);
+ *pos = ns->ln_pos_first_inconsistent;
+ }
+ } else {
+ ns->ln_status = LS_SCANNING_PHASE1;
+ if (cfs_list_empty(&com->lc_link_dir))
+ cfs_list_add_tail(&com->lc_link_dir,
+ &lfsck->ml_list_dir);
+ if (!lfsck->ml_drop_dryrun ||
+ mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent)) {
+ *pos = ns->ln_pos_last_checkpoint;
+ pos->lp_oit_cookie++;
+ if (!fid_is_zero(&pos->lp_dir_parent)) {
+ if (pos->lp_dir_cookie == MDS_DIR_END_OFF) {
+ fid_zero(&pos->lp_dir_parent);
+ } else {
+ pos->lp_dir_cookie++;
+ }
+ }
+ } else {
+ *pos = ns->ln_pos_first_inconsistent;
+ }
+ }
+ spin_unlock(&lfsck->ml_lock);
+
+ up_write(&com->lc_sem);
+ return 0;
+}
+
+static int mdd_lfsck_namespace_exec_oit(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct mdd_object *obj)
+{
+ down_write(&com->lc_sem);
+ com->lc_new_checked++;
+ if (S_ISDIR(mdd_object_type(obj)))
+ ((struct lfsck_namespace *)com->lc_file_ram)->ln_dirs_checked++;
+ up_write(&com->lc_sem);
+ return 0;
+}
+
+/* XXX: to be implemented in other patch. */
+static int mdd_lfsck_namespace_exec_dir(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct mdd_object *obj,
+ struct lu_dirent *ent)
+{
+ struct lfsck_namespace *ns =
+ (struct lfsck_namespace *)com->lc_file_ram;
+ const struct lu_name *cname;
+ int repaired;
+
+ cname = mdd_name_get_const(env, ent->lde_name, ent->lde_namelen);
+ down_write(&com->lc_sem);
+ com->lc_new_checked++;
+
+ if (ent->lde_attrs & LUDA_UPGRADE) {
+ ns->ln_flags |= LF_UPGRADE;
+ repaired = 1;
+ } else if (ent->lde_attrs & LUDA_REPAIR) {
+ ns->ln_flags |= LF_INCONSISTENT;
+ repaired = 1;
+ } else {
+ repaired = 0;
+ }
+
+ ns->ln_items_repaired += repaired;
+ up_write(&com->lc_sem);
+ return 0;
+}
+
+static int mdd_lfsck_namespace_post(const struct lu_env *env,
+ struct lfsck_component *com,
+ int result)
+{
+ struct md_lfsck *lfsck = com->lc_lfsck;
+ struct lfsck_namespace *ns =
+ (struct lfsck_namespace *)com->lc_file_ram;
+ int rc;
+
+ down_write(&com->lc_sem);
+
+ spin_lock(&lfsck->ml_lock);
+ if (result > 0) {
+ ns->ln_status = LS_SCANNING_PHASE2;
+ ns->ln_flags |= LF_SCANNED_ONCE;
+ ns->ln_flags &= ~LF_UPGRADE;
+ cfs_list_del_init(&com->lc_link);
+ cfs_list_del_init(&com->lc_link_dir);
+ cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_double_scan);
+ } else if (result == 0) {
+ if (lfsck->ml_paused) {
+ ns->ln_status = LS_PAUSED;
+ } else {
+ ns->ln_status = LS_STOPPED;
+ cfs_list_del_init(&com->lc_link);
+ cfs_list_del_init(&com->lc_link_dir);
+ cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
+ }
+ } else {
+ ns->ln_status = LS_FAILED;
+ cfs_list_del_init(&com->lc_link);
+ cfs_list_del_init(&com->lc_link_dir);
+ cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
+ }
+ spin_unlock(&lfsck->ml_lock);
+
+ ns->ln_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
+ HALF_SEC - lfsck->ml_time_last_checkpoint);
+ ns->ln_time_last_checkpoint = cfs_time_current_sec();
+ ns->ln_items_checked += com->lc_new_checked;
+ com->lc_new_checked = 0;
+
+ rc = mdd_lfsck_namespace_store(env, com, false);
+
+ up_write(&com->lc_sem);
+ return rc;
+}
+
+/* XXX: to be implemented in other patch. */
+static int
+mdd_lfsck_namespace_dump(const struct lu_env *env, struct lfsck_component *com,
+ char *buf, int len)
+{
+ return 0;
+}
+
+/* XXX: to be implemented in other patch. */
+static int mdd_lfsck_namespace_double_scan(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct md_lfsck *lfsck = com->lc_lfsck;
+ struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
+ struct lfsck_namespace *ns =
+ (struct lfsck_namespace *)com->lc_file_ram;
+ int rc;
+
+ down_write(&com->lc_sem);
+
+ ns->ln_time_last_checkpoint = cfs_time_current_sec();
+ com->lc_new_checked = 0;
+ com->lc_journal = 0;
+
+ ns->ln_status = LS_COMPLETED;
+ if (!(bk->lb_param & LPF_DRYRUN))
+ ns->ln_flags &=
+ ~(LF_SCANNED_ONCE | LF_INCONSISTENT | LF_UPGRADE);
+ ns->ln_time_last_complete = ns->ln_time_last_checkpoint;
+ ns->ln_success_count++;
+
+ spin_lock(&lfsck->ml_lock);
+ cfs_list_del_init(&com->lc_link);
+ cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
+ spin_unlock(&lfsck->ml_lock);
+
+ rc = mdd_lfsck_namespace_store(env, com, false);
+
+ up_write(&com->lc_sem);
+ return rc;
+}
+
+static struct lfsck_operations mdd_lfsck_namespace_ops = {
+ .lfsck_reset = mdd_lfsck_namespace_reset,
+ .lfsck_fail = mdd_lfsck_namespace_fail,
+ .lfsck_checkpoint = mdd_lfsck_namespace_checkpoint,
+ .lfsck_prep = mdd_lfsck_namespace_prep,
+ .lfsck_exec_oit = mdd_lfsck_namespace_exec_oit,
+ .lfsck_exec_dir = mdd_lfsck_namespace_exec_dir,
+ .lfsck_post = mdd_lfsck_namespace_post,
+ .lfsck_dump = mdd_lfsck_namespace_dump,
+ .lfsck_double_scan = mdd_lfsck_namespace_double_scan,
+};
+
+/* LFSCK component setup/cleanup functions */
+
+static int mdd_lfsck_namespace_setup(const struct lu_env *env,
+ struct md_lfsck *lfsck)
+{
+ struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
+ struct lfsck_component *com;
+ struct lfsck_namespace *ns;
+ struct dt_object *obj;
+ int rc;
+ ENTRY;
+
+ OBD_ALLOC_PTR(com);
+ if (com == NULL)
+ RETURN(-ENOMEM);
+
+ CFS_INIT_LIST_HEAD(&com->lc_link);
+ CFS_INIT_LIST_HEAD(&com->lc_link_dir);
+ init_rwsem(&com->lc_sem);
+ atomic_set(&com->lc_ref, 1);
+ com->lc_lfsck = lfsck;
+ com->lc_type = LT_NAMESPACE;
+ com->lc_ops = &mdd_lfsck_namespace_ops;
+ com->lc_file_size = sizeof(struct lfsck_namespace);
+ OBD_ALLOC(com->lc_file_ram, com->lc_file_size);
+ if (com->lc_file_ram == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ OBD_ALLOC(com->lc_file_disk, com->lc_file_size);
+ if (com->lc_file_disk == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ obj = dt_store_open(env, mdd->mdd_bottom, "", lfsck_namespace_name,
+ &mdd_env_info(env)->mti_fid);
+ if (IS_ERR(obj))
+ GOTO(out, rc = PTR_ERR(obj));
+
+ com->lc_obj = obj;
+ rc = obj->do_ops->do_index_try(env, obj, &dt_lfsck_features);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ rc = mdd_lfsck_namespace_load(env, com);
+ if (rc > 0)
+ rc = mdd_lfsck_namespace_reset(env, com, true);
+ else if (rc == -ENODATA)
+ rc = mdd_lfsck_namespace_init(env, com);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ ns = (struct lfsck_namespace *)com->lc_file_ram;
+ switch (ns->ln_status) {
+ case LS_INIT:
+ case LS_COMPLETED:
+ case LS_FAILED:
+ case LS_STOPPED:
+ cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
+ break;
+ default:
+ CERROR("%s: unknown status: %u\n",
+ mdd_lfsck2name(lfsck), ns->ln_status);
+ /* fall through */
+ case LS_SCANNING_PHASE1:
+ case LS_SCANNING_PHASE2:
+ /* No need to store the status to disk right now.
+ * If the system crashed before the status stored,
+ * it will be loaded back when next time. */
+ ns->ln_status = LS_CRASHED;
+ /* fall through */
+ case LS_PAUSED:
+ case LS_CRASHED:
+ cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_scan);
+ cfs_list_add_tail(&com->lc_link_dir, &lfsck->ml_list_dir);
+ break;
+ }
+
+ GOTO(out, rc = 0);
+
+out:
+ if (rc != 0)
+ mdd_lfsck_component_cleanup(env, com);
+ return rc;
+}
+
/* helper functions for framework */
static int object_is_client_visible(const struct lu_env *env,
rc = mdd_lfsck_bookmark_load(env, lfsck);
if (rc == -ENODATA)
rc = mdd_lfsck_bookmark_init(env, lfsck);
+ if (rc != 0)
+ RETURN(rc);
+ rc = mdd_lfsck_namespace_setup(env, lfsck);
/* XXX: LFSCK components initialization to be added here. */
RETURN(rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff