return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&lnr->lnr_lar.lar_list);
- lu_object_get(&lfsck->li_obj_dir->do_lu);
- lnr->lnr_obj = lfsck->li_obj_dir;
+ lnr->lnr_obj = lfsck_object_get(lfsck->li_obj_dir);
+ lnr->lnr_lmv = lfsck_lmv_get(lfsck->li_lmv);
lnr->lnr_fid = ent->lde_fid;
lnr->lnr_oit_cookie = lfsck->li_pos_current.lp_oit_cookie;
lnr->lnr_dir_cookie = ent->lde_hash;
struct lfsck_namespace_req *lnr =
container_of0(lar, struct lfsck_namespace_req, lnr_lar);
+ if (lnr->lnr_lmv != NULL)
+ lfsck_lmv_put(env, lnr->lnr_lmv);
+
lu_object_put(env, &lnr->lnr_obj->do_lu);
OBD_FREE(lnr, lnr->lnr_size);
}
dst->ln_bad_type_repaired = le64_to_cpu(src->ln_bad_type_repaired);
dst->ln_lost_dirent_repaired =
le64_to_cpu(src->ln_lost_dirent_repaired);
+ dst->ln_striped_dirs_scanned =
+ le64_to_cpu(src->ln_striped_dirs_scanned);
+ dst->ln_striped_dirs_repaired =
+ le64_to_cpu(src->ln_striped_dirs_repaired);
+ dst->ln_striped_dirs_failed =
+ le64_to_cpu(src->ln_striped_dirs_failed);
+ dst->ln_striped_dirs_disabled =
+ le64_to_cpu(src->ln_striped_dirs_disabled);
+ dst->ln_striped_dirs_skipped =
+ le64_to_cpu(src->ln_striped_dirs_skipped);
+ dst->ln_striped_shards_scanned =
+ le64_to_cpu(src->ln_striped_shards_scanned);
+ dst->ln_striped_shards_repaired =
+ le64_to_cpu(src->ln_striped_shards_repaired);
+ dst->ln_striped_shards_failed =
+ le64_to_cpu(src->ln_striped_shards_failed);
+ dst->ln_striped_shards_skipped =
+ le64_to_cpu(src->ln_striped_shards_skipped);
+ dst->ln_name_hash_repaired = le64_to_cpu(src->ln_name_hash_repaired);
dst->ln_local_lpf_scanned = le64_to_cpu(src->ln_local_lpf_scanned);
dst->ln_local_lpf_moved = le64_to_cpu(src->ln_local_lpf_moved);
dst->ln_local_lpf_skipped = le64_to_cpu(src->ln_local_lpf_skipped);
dst->ln_bad_type_repaired = cpu_to_le64(src->ln_bad_type_repaired);
dst->ln_lost_dirent_repaired =
cpu_to_le64(src->ln_lost_dirent_repaired);
+ dst->ln_striped_dirs_scanned =
+ cpu_to_le64(src->ln_striped_dirs_scanned);
+ dst->ln_striped_dirs_repaired =
+ cpu_to_le64(src->ln_striped_dirs_repaired);
+ dst->ln_striped_dirs_failed =
+ cpu_to_le64(src->ln_striped_dirs_failed);
+ dst->ln_striped_dirs_disabled =
+ cpu_to_le64(src->ln_striped_dirs_disabled);
+ dst->ln_striped_dirs_skipped =
+ cpu_to_le64(src->ln_striped_dirs_skipped);
+ dst->ln_striped_shards_scanned =
+ cpu_to_le64(src->ln_striped_shards_scanned);
+ dst->ln_striped_shards_repaired =
+ cpu_to_le64(src->ln_striped_shards_repaired);
+ dst->ln_striped_shards_failed =
+ cpu_to_le64(src->ln_striped_shards_failed);
+ dst->ln_striped_shards_skipped =
+ cpu_to_le64(src->ln_striped_shards_skipped);
+ dst->ln_name_hash_repaired = cpu_to_le64(src->ln_name_hash_repaired);
dst->ln_local_lpf_scanned = cpu_to_le64(src->ln_local_lpf_scanned);
dst->ln_local_lpf_moved = cpu_to_le64(src->ln_local_lpf_moved);
dst->ln_local_lpf_skipped = cpu_to_le64(src->ln_local_lpf_skipped);
}
/**
- * \retval +ve: the lfsck_namespace is broken, the caller should reset it.
- * \retval 0: succeed.
- * \retval -ve: failed cases.
+ * Load namespace LFSCK statistics information from the trace file.
+ *
+ * For old release (Lustre-2.6 or older), the statistics information was
+ * stored as XATTR_NAME_LFSCK_NAMESPACE_OLD EA. But in Lustre-2.7, we need
+ * more statistics information. To avoid confusing old MDT when downgrade,
+ * Lustre-2.7 stores the namespace LFSCK statistics information as new
+ * XATTR_NAME_LFSCK_NAMESPACE EA.
+ *
+ * \param[in] env pointer to the thread context
+ * \param[in] com pointer to the lfsck component
+ *
+ * \retval 0 for success
+ * \retval negative error number on failure
*/
static int lfsck_namespace_load(const struct lu_env *env,
struct lfsck_component *com)
CDEBUG(D_LFSCK, "%s: invalid lfsck_namespace magic "
"%#x != %#x\n", lfsck_lfsck2name(com->lc_lfsck),
ns->ln_magic, LFSCK_NAMESPACE_MAGIC);
- rc = 1;
+ rc = -ESTALE;
} else {
rc = 0;
}
"expected = %d: rc = %d\n",
lfsck_lfsck2name(com->lc_lfsck), len, rc);
if (rc >= 0)
- rc = 1;
+ rc = -ESTALE;
+ } else {
+ /* Check whether it is old trace file or not.
+ * If yes, it should be reset via returning -ESTALE. */
+ rc = dt_xattr_get(env, com->lc_obj,
+ lfsck_buf_get(env, com->lc_file_disk, len),
+ XATTR_NAME_LFSCK_NAMESPACE_OLD, BYPASS_CAPA);
+ if (rc >= 0)
+ rc = -ESTALE;
}
+
return rc;
}
static int lfsck_namespace_store(const struct lu_env *env,
- struct lfsck_component *com)
+ struct lfsck_component *com, bool init)
{
struct dt_object *obj = com->lc_obj;
struct lfsck_instance *lfsck = com->lc_lfsck;
__u32 nbits = 0;
int len = com->lc_file_size;
int rc;
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 8, 53, 0)
+ struct lu_buf tbuf = { &len, sizeof(len) };
+#endif
ENTRY;
if (lad != NULL) {
GOTO(out, rc);
}
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 8, 53, 0)
+ /* To be compatible with old Lustre-2.x MDT (x <= 6), generate dummy
+ * XATTR_NAME_LFSCK_NAMESPACE_OLD EA, then when downgrade to Lustre-2.x,
+ * the old LFSCK will find "invalid" XATTR_NAME_LFSCK_NAMESPACE_OLD EA,
+ * then reset the namespace LFSCK trace file. */
+ if (init) {
+ rc = dt_declare_xattr_set(env, obj, &tbuf,
+ XATTR_NAME_LFSCK_NAMESPACE_OLD,
+ LU_XATTR_CREATE, handle);
+ if (rc != 0)
+ GOTO(out, rc);
+ }
+#endif
+
rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
if (rc != 0)
GOTO(out, rc);
XATTR_NAME_LFSCK_BITMAP, 0, handle,
BYPASS_CAPA);
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 8, 53, 0)
+ if (rc == 0 && init)
+ rc = dt_xattr_set(env, obj, &tbuf,
+ XATTR_NAME_LFSCK_NAMESPACE_OLD,
+ LU_XATTR_CREATE, handle, BYPASS_CAPA);
+#endif
+
GOTO(out, rc);
out:
ns->ln_magic = LFSCK_NAMESPACE_MAGIC;
ns->ln_status = LS_INIT;
down_write(&com->lc_sem);
- rc = lfsck_namespace_store(env, com);
+ rc = lfsck_namespace_store(env, com, true);
up_write(&com->lc_sem);
return rc;
}
return rc;
}
-static int lfsck_namespace_check_exist(const struct lu_env *env,
- struct dt_object *dir,
- struct dt_object *obj, const char *name)
+int lfsck_namespace_check_exist(const struct lu_env *env,
+ struct dt_object *dir,
+ struct dt_object *obj, const char *name)
{
struct lu_fid *fid = &lfsck_env_info(env)->lti_fid;
int rc;
* type "O": The MDT-object has no linkEA, and there is no name
* entry that references the MDT-object.
*
+ * type "S": The orphan MDT-object is a shard of a striped directory
+ *
* \see lfsck_layout_recreate_parent() for more types.
*
* The orphan name will be like:
*
* \see lfsck_layout_recreate_parent() for more types.
*
+ * \param[in] lmv pointer to master LMV EA that will be set to the orphan
+ *
* \retval positive number for repaired cases
* \retval 0 if needs to repair nothing
* \retval negative error number on failure
static int lfsck_namespace_create_orphan_remote(const struct lu_env *env,
struct lfsck_component *com,
struct dt_object *orphan,
- __u32 type)
+ __u32 type,
+ struct lmv_mds_md_v1 *lmv)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
struct lfsck_request *lr = &info->lti_lr;
lr->lr_active = LFSCK_TYPE_NAMESPACE;
lr->lr_fid = *fid;
lr->lr_type = type;
+ if (lmv != NULL) {
+ lr->lr_hash_type = lmv->lmv_hash_type;
+ lr->lr_stripe_count = lmv->lmv_stripe_count;
+ lr->lr_layout_version = lmv->lmv_layout_version;
+ memcpy(lr->lr_pool_name, lmv->lmv_pool_name,
+ sizeof(lr->lr_pool_name));
+ }
ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
*
* \see lfsck_layout_recreate_parent() for more types.
*
+ * \param[in] lmv pointer to master LMV EA that will be set to the orphan
+ *
* \retval positive number for repaired cases
* \retval negative error number on failure
*/
static int lfsck_namespace_create_orphan_local(const struct lu_env *env,
struct lfsck_component *com,
struct dt_object *orphan,
- __u32 type)
+ __u32 type,
+ struct lmv_mds_md_v1 *lmv)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
struct lu_attr *la = &info->lti_la;
struct lu_name *cname = &info->lti_name2;
struct dt_insert_rec *rec = &info->lti_dt_rec;
struct lu_fid *tfid = &info->lti_fid;
+ struct lmv_mds_md_v1 *lmv2 = &info->lti_lmv2;
const struct lu_fid *cfid = lfsck_dto2fid(orphan);
const struct lu_fid *pfid;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct lustre_handle lh = { 0 };
struct linkea_data ldata = { 0 };
struct lu_buf linkea_buf;
+ struct lu_buf lmv_buf;
char name[32];
int namelen;
int idx = 0;
if (rc != 0)
GOTO(stop, rc);
+ if (lmv != NULL) {
+ lmv->lmv_magic = LMV_MAGIC;
+ lmv->lmv_master_mdt_index = lfsck_dev_idx(dev);
+ lfsck_lmv_header_cpu_to_le(lmv2, lmv);
+ lfsck_buf_init(&lmv_buf, lmv2, sizeof(*lmv2));
+ rc = dt_declare_xattr_set(env, child, &lmv_buf,
+ XATTR_NAME_LMV, 0, th);
+ if (rc != 0)
+ GOTO(stop, rc);
+ }
+
lfsck_buf_init(&linkea_buf, ldata.ld_buf->lb_buf,
ldata.ld_leh->leh_len);
rc = dt_declare_xattr_set(env, child, &linkea_buf,
GOTO(unlock2, rc);
}
+ if (lmv != NULL) {
+ rc = dt_xattr_set(env, child, &lmv_buf, XATTR_NAME_LMV, 0,
+ th, BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(unlock2, rc);
+ }
+
rc = dt_xattr_set(env, child, &linkea_buf,
XATTR_NAME_LINK, 0, th, BYPASS_CAPA);
dt_write_unlock(env, child);
*
* \see lfsck_layout_recreate_parent() for more types.
*
+ * \param[in] lmv pointer to master LMV EA that will be set to the orphan
+ *
* \retval positive number for repaired cases
* \retval 0 if needs to repair nothing
* \retval negative error number on failure
*/
static int lfsck_namespace_create_orphan(const struct lu_env *env,
struct lfsck_component *com,
- struct dt_object *orphan)
+ struct dt_object *orphan,
+ struct lmv_mds_md_v1 *lmv)
{
struct lfsck_namespace *ns = com->lc_file_ram;
int rc;
if (dt_object_remote(orphan))
rc = lfsck_namespace_create_orphan_remote(env, com, orphan,
- S_IFDIR);
+ S_IFDIR, lmv);
else
rc = lfsck_namespace_create_orphan_local(env, com, orphan,
- S_IFDIR);
+ S_IFDIR, lmv);
if (rc != 0)
ns->ln_flags |= LF_INCONSISTENT;
struct lfsck_namespace *ns = com->lc_file_ram;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct dt_object *parent = NULL;
+ struct lmv_mds_md_v1 *lmv;
int rc = 0;
ENTRY;
lfsck_ibits_unlock(lh, LCK_EX);
lost_parent:
+ lmv = &info->lti_lmv;
+ rc = lfsck_read_stripe_lmv(env, child, lmv);
+ if (rc != 0 && rc != -ENODATA)
+ GOTO(out, rc);
+
+ if (rc == -ENODATA || lmv->lmv_magic != LMV_MAGIC_STRIPE) {
+ lmv = NULL;
+ } else if (lfsck_shard_name_to_index(env,
+ cname->ln_name, cname->ln_namelen,
+ S_IFDIR, cfid) < 0) {
+ /* It is an invalid name entry, we
+ * cannot trust the parent also. */
+ rc = lfsck_namespace_shrink_linkea(env, com, child,
+ ldata, cname, tfid, true);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ snprintf(info->lti_tmpbuf, sizeof(info->lti_tmpbuf),
+ "-"DFID, PFID(pfid));
+ rc = lfsck_namespace_insert_orphan(env, com, child,
+ info->lti_tmpbuf, "S", NULL);
+
+ GOTO(out, rc);
+ }
+
/* Create the lost parent as an orphan. */
- rc = lfsck_namespace_create_orphan(env, com, parent);
+ rc = lfsck_namespace_create_orphan(env, com, parent, lmv);
if (rc >= 0) {
/* Add the missing name entry to the parent. */
rc = lfsck_namespace_insert_normal(env, com, parent,
}
lfsck_ibits_unlock(lh, LCK_EX);
+ rc = lfsck_namespace_check_name(env, parent, child, cname);
+ if (rc == -ENOENT)
+ goto lost_parent;
+
+ if (rc < 0)
+ GOTO(out, rc);
+
+ /* It is an invalid name entry, drop it. */
+ if (unlikely(rc > 0)) {
+ rc = lfsck_namespace_shrink_linkea(env, com, child,
+ ldata, cname, tfid, true);
+ if (rc >= 0) {
+ snprintf(info->lti_tmpbuf,
+ sizeof(info->lti_tmpbuf),
+ "-"DFID, PFID(pfid));
+ rc = lfsck_namespace_insert_orphan(env, com,
+ child, info->lti_tmpbuf, "D", NULL);
+ }
+
+ GOTO(out, rc);
+ }
+
/* Add the missing name entry back to the namespace. */
rc = lfsck_namespace_insert_normal(env, com, parent, child,
cname->ln_name);
GOTO(out, rc);
}
+ if (fid_is_zero(pfid))
+ GOTO(out, rc = 0);
+
/* The ".." name entry is wrong, update it. */
if (!lu_fid_eq(pfid, lfsck_dto2fid(parent))) {
if (!lustre_handle_is_used(lh) && retry != NULL) {
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct dt_object *parent = NULL;
struct linkea_data ldata_new = { 0 };
- int count = 0;
+ int dirent_count = 0;
+ int linkea_count = 0;
int rc = 0;
bool once = true;
ENTRY;
/* Drop invalid linkEA entry. */
if (!fid_is_sane(tfid)) {
linkea_del_buf(ldata, cname);
+ linkea_count++;
continue;
}
* child to be visible via other parent, then
* remove this linkEA entry. */
linkea_del_buf(ldata, cname);
+ linkea_count++;
continue;
}
if (unlikely(!dt_try_as_dir(env, parent))) {
lfsck_object_put(env, parent);
linkea_del_buf(ldata, cname);
+ linkea_count++;
continue;
}
RETURN(rc);
linkea_del_buf(ldata, cname);
+ linkea_count++;
linkea_first_entry(ldata);
/* There may be some invalid dangling name entries under
* other parent directories, remove all of them. */
goto next;
}
- count += rc;
+ dirent_count += rc;
next:
linkea_del_buf(ldata, cname);
}
- ns->ln_dirent_repaired += count;
+ ns->ln_dirent_repaired += dirent_count;
RETURN(rc);
}
linkea_del_buf(ldata, cname);
}
+ linkea_first_entry(ldata);
if (ldata->ld_leh->leh_reccount == 1) {
rc = lfsck_namespace_dsd_single(env, com, child, pfid, ldata,
lh, type, NULL);
+ if (rc == 0 && fid_is_zero(pfid) && linkea_count > 0)
+ rc = lfsck_namespace_rebuild_linkea(env, com, child,
+ ldata);
+
RETURN(rc);
}
RETURN(rc);
}
- linkea_first_entry(ldata);
/* If the dangling name entry for the orphan directory object has
* been remvoed, then just check whether the directory object is
* still under the .lustre/lost+found/MDTxxxx/ or not. */
LASSERT(!dt_object_remote(child));
+ if (flags & LNTF_UNCERTAIN_LMV) {
+ if (flags & LNTF_RECHECK_NAME_HASH) {
+ rc = lfsck_namespace_scan_shard(env, com, child);
+ if (rc < 0)
+ RETURN(rc);
+
+ ns->ln_striped_shards_scanned++;
+ } else {
+ ns->ln_striped_shards_skipped++;
+ }
+ }
+
+ flags &= ~(LNTF_RECHECK_NAME_HASH | LNTF_UNCERTAIN_LMV);
+ if (flags == 0)
+ RETURN(0);
+
if (flags & (LNTF_CHECK_LINKEA | LNTF_CHECK_PARENT) &&
!(lfsck->li_bookmark_ram.lb_param & LPF_ALL_TGT)) {
CDEBUG(D_LFSCK, "%s: some MDT(s) maybe NOT take part in the"
} else if (lfsck->li_lpf_obj != NULL &&
lu_fid_eq(pfid, lfsck_dto2fid(lfsck->li_lpf_obj))) {
lpf = true;
+ } else if (unlikely(!fid_is_sane(pfid))) {
+ fid_zero(pfid);
}
rc = lfsck_links_read(env, child, &ldata);
/* Create the lost parent as an orphan. */
rc = lfsck_namespace_create_orphan(env, com,
- parent);
+ parent, NULL);
if (rc < 0) {
lfsck_object_put(env, parent);
GOTO(out, rc = 0);
}
+ rc = lfsck_namespace_check_name(env, parent, child, cname);
+ if (rc == -ENOENT)
+ goto lost_parent;
+
+ if (rc < 0) {
+ lfsck_object_put(env, parent);
+
+ GOTO(out, rc);
+ }
+
+ /* It is an invalid name entry, drop it. */
+ if (unlikely(rc > 0)) {
+ lfsck_object_put(env, parent);
+ rc = lfsck_namespace_shrink_linkea(env, com, child,
+ &ldata, cname, pfid, true);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ if (rc > 0)
+ repaired = true;
+
+ continue;
+ }
+
/* Add the missing name entry back to the namespace. */
rc = lfsck_namespace_insert_normal(env, com, parent, child,
cname->ln_name);
"local_lost_found_moved: "LPU64"\n"
"local_lost_found_skipped: "LPU64"\n"
"local_lost_found_failed: "LPU64"\n"
+ "striped_dirs_scanned: "LPU64"\n"
+ "striped_dirs_repaired: "LPU64"\n"
+ "striped_dirs_failed: "LPU64"\n"
+ "striped_dirs_disabled: "LPU64"\n"
+ "striped_dirs_skipped: "LPU64"\n"
+ "striped_shards_scanned: "LPU64"\n"
+ "striped_shards_repaired: "LPU64"\n"
+ "striped_shards_failed: "LPU64"\n"
+ "striped_shards_skipped: "LPU64"\n"
+ "name_hash_repaired: "LPU64"\n"
"success_count: %u\n"
"run_time_phase1: %u seconds\n"
"run_time_phase2: %u seconds\n",
ns->ln_local_lpf_moved,
ns->ln_local_lpf_skipped,
ns->ln_local_lpf_failed,
+ ns->ln_striped_dirs_scanned,
+ ns->ln_striped_dirs_repaired,
+ ns->ln_striped_dirs_failed,
+ ns->ln_striped_dirs_disabled,
+ ns->ln_striped_dirs_skipped,
+ ns->ln_striped_shards_scanned,
+ ns->ln_striped_shards_repaired,
+ ns->ln_striped_shards_failed,
+ ns->ln_striped_shards_skipped,
+ ns->ln_name_hash_repaired,
ns->ln_success_count,
time_phase1,
time_phase2);
}
+static void lfsck_namespace_release_lmv(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct lfsck_namespace *ns = com->lc_file_ram;
+
+ while (!list_empty(&lfsck->li_list_lmv)) {
+ struct lfsck_lmv_unit *llu;
+ struct lfsck_lmv *llmv;
+
+ llu = list_entry(lfsck->li_list_lmv.next,
+ struct lfsck_lmv_unit, llu_link);
+ llmv = &llu->llu_lmv;
+
+ LASSERTF(atomic_read(&llmv->ll_ref) == 1,
+ "still in using: %u\n",
+ atomic_read(&llmv->ll_ref));
+
+ ns->ln_striped_dirs_skipped++;
+ lfsck_lmv_put(env, llmv);
+ }
+}
+
/* namespace APIs */
static int lfsck_namespace_reset(const struct lu_env *env,
lad->lad_incomplete = 0;
CFS_RESET_BITMAP(lad->lad_bitmap);
- rc = lfsck_namespace_store(env, com);
+ rc = lfsck_namespace_store(env, com, true);
GOTO(out, rc);
up_write(&com->lc_sem);
}
+static void lfsck_namespace_close_dir(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct lfsck_namespace *ns = com->lc_file_ram;
+ struct lfsck_assistant_data *lad = com->lc_data;
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct lfsck_lmv *llmv = lfsck->li_lmv;
+ struct lfsck_namespace_req *lnr;
+ __u32 size =
+ sizeof(*lnr) + LFSCK_TMPBUF_LEN;
+ bool wakeup = false;
+ ENTRY;
+
+ if (llmv == NULL)
+ RETURN_EXIT;
+
+ OBD_ALLOC(lnr, size);
+ if (lnr == NULL) {
+ ns->ln_striped_dirs_skipped++;
+
+ RETURN_EXIT;
+ }
+
+ /* Generate a dummy request to indicate that all shards' name entry
+ * in this striped directory has been scanned for the first time. */
+ INIT_LIST_HEAD(&lnr->lnr_lar.lar_list);
+ lnr->lnr_obj = lfsck_object_get(lfsck->li_obj_dir);
+ lnr->lnr_lmv = lfsck_lmv_get(llmv);
+ lnr->lnr_fid = *lfsck_dto2fid(lfsck->li_obj_dir);
+ lnr->lnr_oit_cookie = lfsck->li_pos_current.lp_oit_cookie;
+ lnr->lnr_dir_cookie = MDS_DIR_END_OFF;
+ lnr->lnr_size = size;
+
+ spin_lock(&lad->lad_lock);
+ if (lad->lad_assistant_status < 0) {
+ spin_unlock(&lad->lad_lock);
+ lfsck_namespace_assistant_req_fini(env, &lnr->lnr_lar);
+ ns->ln_striped_dirs_skipped++;
+
+ RETURN_EXIT;
+ }
+
+ list_add_tail(&lnr->lnr_lar.lar_list, &lad->lad_req_list);
+ if (lad->lad_prefetched == 0)
+ wakeup = true;
+
+ lad->lad_prefetched++;
+ spin_unlock(&lad->lad_lock);
+ if (wakeup)
+ wake_up_all(&lad->lad_thread.t_ctl_waitq);
+
+ EXIT;
+}
+
+static int lfsck_namespace_open_dir(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct lfsck_namespace *ns = com->lc_file_ram;
+ struct lfsck_lmv *llmv = lfsck->li_lmv;
+ int rc = 0;
+ ENTRY;
+
+ if (llmv == NULL)
+ RETURN(0);
+
+ if (llmv->ll_lmv_master) {
+ struct lmv_mds_md_v1 *lmv = &llmv->ll_lmv;
+
+ if (lmv->lmv_master_mdt_index !=
+ lfsck_dev_idx(lfsck->li_bottom)) {
+ lmv->lmv_master_mdt_index =
+ lfsck_dev_idx(lfsck->li_bottom);
+ ns->ln_flags |= LF_INCONSISTENT;
+ llmv->ll_lmv_updated = 1;
+ }
+ } else {
+ rc = lfsck_namespace_verify_stripe_slave(env, com,
+ lfsck->li_obj_dir, llmv);
+ }
+
+ RETURN(rc > 0 ? 0 : rc);
+}
+
static int lfsck_namespace_checkpoint(const struct lu_env *env,
struct lfsck_component *com, bool init)
{
com->lc_new_checked = 0;
}
- rc = lfsck_namespace_store(env, com);
+ rc = lfsck_namespace_store(env, com, false);
up_write(&com->lc_sem);
log:
ns->ln_mul_ref_repaired = 0;
ns->ln_bad_type_repaired = 0;
ns->ln_lost_dirent_repaired = 0;
+ ns->ln_striped_dirs_scanned = 0;
+ ns->ln_striped_dirs_repaired = 0;
+ ns->ln_striped_dirs_failed = 0;
+ ns->ln_striped_dirs_disabled = 0;
+ ns->ln_striped_dirs_skipped = 0;
+ ns->ln_striped_shards_scanned = 0;
+ ns->ln_striped_shards_repaired = 0;
+ ns->ln_striped_shards_failed = 0;
+ ns->ln_striped_shards_skipped = 0;
+ ns->ln_name_hash_repaired = 0;
fid_zero(&ns->ln_fid_latest_scanned_phase2);
if (list_empty(&com->lc_link_dir))
list_add_tail(&com->lc_link_dir,
lfsck_post_generic(env, com, &result);
down_write(&com->lc_sem);
+ lfsck_namespace_release_lmv(env, com);
+
spin_lock(&lfsck->li_lock);
if (!init)
ns->ln_pos_last_checkpoint = lfsck->li_pos_checkpoint;
com->lc_new_checked = 0;
}
- rc = lfsck_namespace_store(env, com);
+ rc = lfsck_namespace_store(env, com, false);
up_write(&com->lc_sem);
CDEBUG(D_LFSCK, "%s: namespace LFSCK post done: rc = %d\n",
lfsck->li_time_last_checkpoint;
__u64 checked = ns->ln_items_checked + com->lc_new_checked;
__u64 speed = checked;
- __u64 new_checked = com->lc_new_checked * HZ;
+ __u64 new_checked = msecs_to_jiffies(com->lc_new_checked *
+ MSEC_PER_SEC);
__u32 rtime = ns->ln_run_time_phase1 +
cfs_duration_sec(duration + HALF_SEC);
com->lc_new_checked;
__u64 speed1 = ns->ln_items_checked;
__u64 speed2 = checked;
- __u64 new_checked = com->lc_new_checked * HZ;
+ __u64 new_checked = msecs_to_jiffies(com->lc_new_checked *
+ MSEC_PER_SEC);
__u32 rtime = ns->ln_run_time_phase2 +
cfs_duration_sec(duration + HALF_SEC);
LASSERT(list_empty(&lad->lad_req_list));
com->lc_data = NULL;
+ lfsck_namespace_release_lmv(env, com);
spin_lock(<ds->ltd_lock);
list_for_each_entry_safe(ltd, next, &lad->lad_mdt_phase1_list,
thread_is_stopped(&lad->lad_thread));
LASSERT(list_empty(&lad->lad_req_list));
+ lfsck_namespace_release_lmv(env, com);
+
spin_lock(<ds->ltd_lock);
list_for_each_entry_safe(ltd, next, &lad->lad_mdt_phase1_list,
ltd_namespace_phase_list) {
switch (lr->lr_event) {
case LE_CREATE_ORPHAN: {
struct dt_object *orphan = NULL;
+ struct lmv_mds_md_v1 *lmv;
CDEBUG(D_LFSCK, "%s: namespace LFSCK handling notify from "
"MDT %x to create orphan"DFID" with type %o\n",
if (dt_object_exists(orphan))
GOTO(out_create, rc = -EEXIST);
+ if (lr->lr_stripe_count > 0) {
+ lmv = &lfsck_env_info(env)->lti_lmv;
+ memset(lmv, 0, sizeof(*lmv));
+ lmv->lmv_hash_type = lr->lr_hash_type;
+ lmv->lmv_stripe_count = lr->lr_stripe_count;
+ lmv->lmv_layout_version = lr->lr_layout_version;
+ memcpy(lmv->lmv_pool_name, lr->lr_pool_name,
+ sizeof(lmv->lmv_pool_name));
+ } else {
+ lmv = NULL;
+ }
+
rc = lfsck_namespace_create_orphan_local(env, com, orphan,
- lr->lr_type);
+ lr->lr_type, lmv);
GOTO(out_create, rc = (rc == 1) ? 0 : rc);
return 0;
}
+ case LE_SET_LMV_MASTER: {
+ struct dt_object *obj;
+
+ obj = lfsck_object_find_by_dev(env, lfsck->li_bottom,
+ &lr->lr_fid);
+ if (IS_ERR(obj))
+ RETURN(PTR_ERR(obj));
+
+ rc = lfsck_namespace_notify_lmv_master_local(env, com, obj);
+ lfsck_object_put(env, obj);
+
+ RETURN(rc > 0 ? 0 : rc);
+ }
+ case LE_SET_LMV_SLAVE: {
+ if (!(lr->lr_flags & LEF_RECHECK_NAME_HASH))
+ ns->ln_striped_shards_repaired++;
+
+ rc = lfsck_namespace_trace_update(env, com, &lr->lr_fid,
+ LNTF_RECHECK_NAME_HASH, true);
+
+ RETURN(rc > 0 ? 0 : rc);
+ }
case LE_PHASE1_DONE:
case LE_PHASE2_DONE:
case LE_PEER_EXIT:
static struct lfsck_operations lfsck_namespace_ops = {
.lfsck_reset = lfsck_namespace_reset,
.lfsck_fail = lfsck_namespace_fail,
+ .lfsck_close_dir = lfsck_namespace_close_dir,
+ .lfsck_open_dir = lfsck_namespace_open_dir,
.lfsck_checkpoint = lfsck_namespace_checkpoint,
.lfsck_prep = lfsck_namespace_prep,
.lfsck_exec_oit = lfsck_namespace_exec_oit,
struct dt_allocation_hint *hint = &info->lti_hint;
struct dt_object_format *dof = &info->lti_dof;
struct dt_insert_rec *rec = &info->lti_dt_rec;
+ struct lmv_mds_md_v1 *lmv2 = &info->lti_lmv2;
struct dt_object *parent = lnr->lnr_obj;
const struct lu_name *cname;
struct linkea_data ldata = { 0 };
struct lustre_handle lh = { 0 };
struct lu_buf linkea_buf;
+ struct lu_buf lmv_buf;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct dt_device *dev = lfsck_obj2dt_dev(child);
rc = dt_declare_ref_add(env, child, th);
if (rc != 0)
GOTO(stop, rc);
+
+ /* 5a. generate slave LMV EA. */
+ if (lnr->lnr_lmv != NULL && lnr->lnr_lmv->ll_lmv_master) {
+ int idx;
+
+ idx = lfsck_shard_name_to_index(env,
+ lnr->lnr_name, lnr->lnr_namelen,
+ type, lfsck_dto2fid(child));
+ if (unlikely(idx < 0))
+ GOTO(stop, rc = idx);
+
+ *lmv2 = lnr->lnr_lmv->ll_lmv;
+ lmv2->lmv_magic = LMV_MAGIC_STRIPE;
+ lmv2->lmv_master_mdt_index = idx;
+
+ lfsck_lmv_header_cpu_to_le(lmv2, lmv2);
+ lfsck_buf_init(&lmv_buf, lmv2, sizeof(*lmv2));
+ rc = dt_declare_xattr_set(env, child, &lmv_buf,
+ XATTR_NAME_LMV, 0, th);
+ if (rc != 0)
+ GOTO(stop, rc);
+ }
}
- /* 5a. insert linkEA for child */
+ /* 6a. insert linkEA for child */
lfsck_buf_init(&linkea_buf, ldata.ld_buf->lb_buf,
ldata.ld_leh->leh_len);
rc = dt_declare_xattr_set(env, child, &linkea_buf,
rc = dt_ref_add(env, child, th);
if (rc != 0)
GOTO(unlock, rc);
+
+ /* 5b. generate slave LMV EA. */
+ if (lnr->lnr_lmv != NULL && lnr->lnr_lmv->ll_lmv_master) {
+ rc = dt_xattr_set(env, child, &lmv_buf, XATTR_NAME_LMV,
+ 0, th, BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(unlock, rc);
+ }
}
- /* 5b. insert linkEA for child. */
+ /* 6b. insert linkEA for child. */
rc = dt_xattr_set(env, child, &linkea_buf,
XATTR_NAME_LINK, 0, th, BYPASS_CAPA);
bool remove;
bool newdata;
bool log = false;
+ bool bad_hash = false;
int idx = 0;
int count = 0;
int rc;
GOTO(out, rc);
}
+ if (unlikely(lnr->lnr_dir_cookie == MDS_DIR_END_OFF)) {
+ rc = lfsck_namespace_striped_dir_rescan(env, com, lnr);
+
+ RETURN(rc);
+ }
+
if (lnr->lnr_name[0] == '.' &&
(lnr->lnr_namelen == 1 || fid_seq_is_dot(fid_seq(&lnr->lnr_fid))))
GOTO(out, rc = 0);
+ if (lnr->lnr_lmv != NULL && lnr->lnr_lmv->ll_lmv_master) {
+ rc = lfsck_namespace_handle_striped_master(env, com, lnr);
+
+ RETURN(rc);
+ }
+
idx = lfsck_find_mdt_idx_by_fid(env, lfsck, &lnr->lnr_fid);
if (idx < 0)
GOTO(out, rc = idx);
dangling:
rc = lfsck_namespace_check_exist(env, dir, obj, lnr->lnr_name);
if (rc == 0) {
+ if (!lfsck_is_valid_slave_name_entry(env, lnr->lnr_lmv,
+ lnr->lnr_name, lnr->lnr_namelen)) {
+ type = LNIT_BAD_DIRENT;
+
+ GOTO(out, rc);
+ }
+
type = LNIT_DANGLING;
rc = lfsck_namespace_repair_dangling(env, com,
obj, lnr);
ns->ln_flags |= LF_INCONSISTENT;
+ /* If the name entry hash does not match the slave striped
+ * directory, and the name entry does not match also, then
+ * it is quite possible that name entry is corrupted. */
+ if (!lfsck_is_valid_slave_name_entry(env, lnr->lnr_lmv,
+ lnr->lnr_name, lnr->lnr_namelen)) {
+ type = LNIT_BAD_DIRENT;
+
+ GOTO(stop, rc = 0);
+ }
+
/* If the file type stored in the name entry does not match
* the file type claimed by the object, and the object does
* not recognize the name entry, then it is quite possible
out:
lfsck_ibits_unlock(&lh, LCK_EX);
+ if (!name_is_dot_or_dotdot(lnr->lnr_name, lnr->lnr_namelen) &&
+ !lfsck_is_valid_slave_name_entry(env, lnr->lnr_lmv,
+ lnr->lnr_name, lnr->lnr_namelen) &&
+ type != LNIT_BAD_DIRENT) {
+ ns->ln_flags |= LF_INCONSISTENT;
+
+ log = false;
+ rc = lfsck_namespace_repair_bad_name_hash(env, com, dir,
+ lnr->lnr_lmv, lnr->lnr_name);
+ if (rc >= 0)
+ bad_hash = true;
+ }
+
if (rc >= 0) {
switch (type) {
case LNIT_BAD_TYPE:
false);
}
+ if (bad_hash) {
+ ns->ln_name_hash_repaired++;
+
+ /* Not count repeatedly. */
+ if (!repaired)
+ ns->ln_items_repaired++;
+
+ if (bk->lb_param & LPF_DRYRUN &&
+ lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent))
+ lfsck_pos_fill(env, lfsck,
+ &ns->ln_pos_first_inconsistent,
+ false);
+ }
+
+
rc = 0;
}
up_write(&com->lc_sem);
}
/* skip dot and dotdot entries */
- if (ent->lde_name[0] == '.' &&
- (ent->lde_namelen == 1 ||
- (ent->lde_namelen == 2 && ent->lde_name[1] == '.')))
+ if (name_is_dot_or_dotdot(ent->lde_name, ent->lde_namelen))
goto next;
if (!fid_seq_in_fldb(fid_seq(&ent->lde_fid)))
lu_object_put(env, &parent->do_lu);
}
+/**
+ * Rescan the striped directory after the master LMV EA reset.
+ *
+ * Sometimes, the master LMV EA of the striped directory maybe lost, so when
+ * the namespace LFSCK engine scan the striped directory for the first time,
+ * it will be regarded as a normal directory. As the LFSCK processing, some
+ * other LFSCK instance on other MDT will find the shard of this striped dir,
+ * and find that the master MDT-object of the striped directory lost its LMV
+ * EA, then such remote LFSCK instance will regenerate the master LMV EA and
+ * notify the LFSCK instance on this MDT to rescan the striped directory.
+ *
+ * \param[in] env pointer to the thread context
+ * \param[in] com pointer to the lfsck component
+ * \param[in] llu the lfsck_lmv_unit that contains the striped directory
+ * to be rescanned.
+ *
+ * \retval positive number for success
+ * \retval 0 for LFSCK stopped/paused
+ * \retval negative error number on failure
+ */
+static int lfsck_namespace_rescan_striped_dir(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_lmv_unit *llu)
+{
+ struct lfsck_thread_info *info = lfsck_env_info(env);
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct lfsck_assistant_data *lad = com->lc_data;
+ struct dt_object *dir;
+ const struct dt_it_ops *iops;
+ struct dt_it *di;
+ struct lu_dirent *ent =
+ (struct lu_dirent *)info->lti_key;
+ struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
+ struct ptlrpc_thread *thread = &lfsck->li_thread;
+ struct lfsck_namespace_req *lnr;
+ struct lfsck_assistant_req *lar;
+ int rc;
+ __u16 type;
+ ENTRY;
+
+ LASSERT(list_empty(&lad->lad_req_list));
+
+ lfsck->li_lmv = &llu->llu_lmv;
+ lfsck->li_obj_dir = lfsck_object_get(llu->llu_obj);
+ rc = lfsck_open_dir(env, lfsck, 0);
+ if (rc != 0)
+ RETURN(rc);
+
+ dir = lfsck->li_obj_dir;
+ di = lfsck->li_di_dir;
+ iops = &dir->do_index_ops->dio_it;
+ do {
+ rc = iops->rec(env, di, (struct dt_rec *)ent,
+ lfsck->li_args_dir);
+ if (rc == 0)
+ rc = lfsck_unpack_ent(ent, &lfsck->li_cookie_dir,
+ &type);
+
+ if (rc != 0) {
+ if (bk->lb_param & LPF_FAILOUT)
+ GOTO(out, rc);
+
+ goto next;
+ }
+
+ if (name_is_dot_or_dotdot(ent->lde_name, ent->lde_namelen))
+ goto next;
+
+ lnr = lfsck_namespace_assistant_req_init(lfsck, ent, type);
+ if (IS_ERR(lnr)) {
+ if (bk->lb_param & LPF_FAILOUT)
+ GOTO(out, rc = PTR_ERR(lnr));
+
+ goto next;
+ }
+
+ lar = &lnr->lnr_lar;
+ rc = lfsck_namespace_assistant_handler_p1(env, com, lar);
+ lfsck_namespace_assistant_req_fini(env, lar);
+ if (rc != 0 && bk->lb_param & LPF_FAILOUT)
+ GOTO(out, rc);
+
+ if (unlikely(!thread_is_running(thread)))
+ GOTO(out, rc = 0);
+
+next:
+ rc = iops->next(env, di);
+ } while (rc == 0);
+
+out:
+ lfsck_close_dir(env, lfsck, rc);
+ if (rc <= 0)
+ RETURN(rc);
+
+ /* The close_dir() may insert a dummy lnr in the lad->lad_req_list. */
+ if (list_empty(&lad->lad_req_list))
+ RETURN(1);
+
+ spin_lock(&lad->lad_lock);
+ lar = list_entry(lad->lad_req_list.next, struct lfsck_assistant_req,
+ lar_list);
+ list_del_init(&lar->lar_list);
+ spin_unlock(&lad->lad_lock);
+
+ rc = lfsck_namespace_assistant_handler_p1(env, com, lar);
+ lfsck_namespace_assistant_req_fini(env, lar);
+
+ RETURN(rc == 0 ? 1 : rc);
+}
+
static int lfsck_namespace_assistant_handler_p2(const struct lu_env *env,
struct lfsck_component *com)
{
__u8 flags = 0;
ENTRY;
+ while (!list_empty(&lfsck->li_list_lmv)) {
+ struct lfsck_lmv_unit *llu;
+
+ spin_lock(&lfsck->li_lock);
+ llu = list_entry(lfsck->li_list_lmv.next,
+ struct lfsck_lmv_unit, llu_link);
+ list_del_init(&llu->llu_link);
+ spin_unlock(&lfsck->li_lock);
+
+ rc = lfsck_namespace_rescan_striped_dir(env, com, llu);
+ if (rc <= 0)
+ RETURN(rc);
+ }
+
CDEBUG(D_LFSCK, "%s: namespace LFSCK phase2 scan start\n",
lfsck_lfsck2name(lfsck));
goto checkpoint;
}
- target = lfsck_object_find(env, lfsck, &fid);
+ target = lfsck_object_find_by_dev(env, lfsck->li_bottom, &fid);
if (IS_ERR(target)) {
rc = PTR_ERR(target);
goto checkpoint;
ns->ln_time_last_checkpoint = cfs_time_current_sec();
ns->ln_objs_checked_phase2 += com->lc_new_checked;
com->lc_new_checked = 0;
- rc = lfsck_namespace_store(env, com);
+ rc = lfsck_namespace_store(env, com, false);
up_write(&com->lc_sem);
if (rc != 0)
GOTO(put, rc);
ns->ln_status = LS_FAILED;
}
- rc = lfsck_namespace_store(env, com);
+ rc = lfsck_namespace_store(env, com, false);
up_write(&com->lc_sem);
return rc;
GOTO(out, rc);
rc = lfsck_namespace_load(env, com);
- if (rc > 0)
- rc = lfsck_namespace_reset(env, com, true);
- else if (rc == -ENODATA)
+ if (rc == -ENODATA)
rc = lfsck_namespace_init(env, com);
+ else if (rc < 0)
+ rc = lfsck_namespace_reset(env, com, true);
if (rc != 0)
GOTO(out, rc);