X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Flfsck%2Flfsck_namespace.c;h=931ffa29a18eaa6a982f1b38d9ab977e13625e18;hp=5a5eb48a224403aef2b536bfae063c2efc9fc0e5;hb=445da16c2ac0475b1c1077c822800b68cdbb7ce3;hpb=85be1fae82b515094b60bb20eb48f88989ccc6e9 diff --git a/lustre/lfsck/lfsck_namespace.c b/lustre/lfsck/lfsck_namespace.c index 5a5eb48..931ffa2 100644 --- a/lustre/lfsck/lfsck_namespace.c +++ b/lustre/lfsck/lfsck_namespace.c @@ -20,7 +20,7 @@ * GPL HEADER END */ /* - * Copyright (c) 2013, 2014, Intel Corporation. + * Copyright (c) 2013, 2015, Intel Corporation. */ /* * lustre/lfsck/lfsck_namespace.c @@ -41,7 +41,15 @@ #include "lfsck_internal.h" -#define LFSCK_NAMESPACE_MAGIC 0xA0629D03 +#define LFSCK_NAMESPACE_MAGIC_V1 0xA0629D03 +#define LFSCK_NAMESPACE_MAGIC_V2 0xA0621A0B + +/* For Lustre-2.x (x <= 6), the namespace LFSCK used LFSCK_NAMESPACE_MAGIC_V1 + * as the trace file magic. When downgrade to such old release, the old LFSCK + * will not recognize the new LFSCK_NAMESPACE_MAGIC_V2 in the new trace file, + * then it will reset the whole LFSCK, and will not cause start failure. The + * similar case will happen when upgrade from such old release. */ +#define LFSCK_NAMESPACE_MAGIC LFSCK_NAMESPACE_MAGIC_V2 enum lfsck_nameentry_check { LFSCK_NAMEENTRY_DEAD = 1, /* The object has been unlinked. */ @@ -49,10 +57,9 @@ enum lfsck_nameentry_check { LFSCK_NAMEENTRY_RECREATED = 3, /* The entry has been recreated. */ }; -static const char lfsck_namespace_name[] = "lfsck_namespace"; - static struct lfsck_namespace_req * lfsck_namespace_assistant_req_init(struct lfsck_instance *lfsck, + struct lfsck_assistant_object *lso, struct lu_dirent *ent, __u16 type) { struct lfsck_namespace_req *lnr; @@ -64,10 +71,9 @@ lfsck_namespace_assistant_req_init(struct lfsck_instance *lfsck, return ERR_PTR(-ENOMEM); INIT_LIST_HEAD(&lnr->lnr_lar.lar_list); - lnr->lnr_obj = lfsck_object_get(lfsck->li_obj_dir); + lnr->lnr_lar.lar_parent = lfsck_assistant_object_get(lso); 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; lnr->lnr_attr = ent->lde_attrs; lnr->lnr_size = size; @@ -87,7 +93,7 @@ static void lfsck_namespace_assistant_req_fini(const struct lu_env *env, if (lnr->lnr_lmv != NULL) lfsck_lmv_put(env, lnr->lnr_lmv); - lu_object_put(env, &lnr->lnr_obj->do_lu); + lfsck_assistant_object_put(env, lar->lar_parent); OBD_FREE(lnr, lnr->lnr_size); } @@ -242,7 +248,7 @@ static void lfsck_namespace_record_failure(const struct lu_env *env, ns->ln_pos_first_inconsistent = pos; CDEBUG(D_LFSCK, "%s: namespace LFSCK hit first non-repaired " - "inconsistency at the pos ["LPU64", "DFID", "LPX64"]\n", + "inconsistency at the pos [%llu, "DFID", %#llx]\n", lfsck_lfsck2name(lfsck), ns->ln_pos_first_inconsistent.lp_oit_cookie, PFID(&ns->ln_pos_first_inconsistent.lp_dir_parent), @@ -265,7 +271,7 @@ static int lfsck_namespace_load_bitmap(const struct lu_env *env, struct dt_object *obj = com->lc_obj; struct lfsck_assistant_data *lad = com->lc_data; struct lfsck_namespace *ns = com->lc_file_ram; - cfs_bitmap_t *bitmap = lad->lad_bitmap; + struct cfs_bitmap *bitmap = lad->lad_bitmap; ssize_t size; __u32 nbits; int rc; @@ -282,7 +288,7 @@ static int lfsck_namespace_load_bitmap(const struct lu_env *env, if (nbits > bitmap->size) { __u32 new_bits = bitmap->size; - cfs_bitmap_t *new_bitmap; + struct cfs_bitmap *new_bitmap; while (new_bits < nbits) new_bits <<= 1; @@ -306,7 +312,7 @@ static int lfsck_namespace_load_bitmap(const struct lu_env *env, size = (ns->ln_bitmap_size + 7) >> 3; rc = dt_xattr_get(env, obj, lfsck_buf_get(env, bitmap->data, size), - XATTR_NAME_LFSCK_BITMAP, BYPASS_CAPA); + XATTR_NAME_LFSCK_BITMAP); if (rc != size) RETURN(rc >= 0 ? -EINVAL : rc); @@ -321,12 +327,6 @@ static int lfsck_namespace_load_bitmap(const struct lu_env *env, /** * 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 * @@ -341,7 +341,7 @@ static int lfsck_namespace_load(const struct lu_env *env, rc = dt_xattr_get(env, com->lc_obj, lfsck_buf_get(env, com->lc_file_disk, len), - XATTR_NAME_LFSCK_NAMESPACE, BYPASS_CAPA); + XATTR_NAME_LFSCK_NAMESPACE); if (rc == len) { struct lfsck_namespace *ns = com->lc_file_ram; @@ -361,34 +361,24 @@ static int lfsck_namespace_load(const struct lu_env *env, lfsck_lfsck2name(com->lc_lfsck), len, rc); if (rc >= 0) 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, bool init) + struct lfsck_component *com) { struct dt_object *obj = com->lc_obj; struct lfsck_instance *lfsck = com->lc_lfsck; struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_assistant_data *lad = com->lc_data; - cfs_bitmap_t *bitmap = NULL; + struct dt_device *dev = lfsck_obj2dev(obj); + struct cfs_bitmap *bitmap = NULL; struct thandle *handle; __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) { @@ -402,7 +392,7 @@ static int lfsck_namespace_store(const struct lu_env *env, ns->ln_bitmap_size = nbits; lfsck_namespace_cpu_to_le((struct lfsck_namespace *)com->lc_file_disk, ns); - handle = dt_trans_create(env, lfsck->li_bottom); + handle = dt_trans_create(env, dev); if (IS_ERR(handle)) GOTO(log, rc = PTR_ERR(handle)); @@ -420,44 +410,22 @@ static int lfsck_namespace_store(const struct lu_env *env, 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); + rc = dt_trans_start_local(env, dev, handle); if (rc != 0) GOTO(out, rc); rc = dt_xattr_set(env, obj, lfsck_buf_get(env, com->lc_file_disk, len), - XATTR_NAME_LFSCK_NAMESPACE, 0, handle, BYPASS_CAPA); + XATTR_NAME_LFSCK_NAMESPACE, 0, handle); if (rc == 0 && bitmap != NULL) rc = dt_xattr_set(env, obj, lfsck_buf_get(env, bitmap->data, nbits >> 3), - 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 + XATTR_NAME_LFSCK_BITMAP, 0, handle); GOTO(out, rc); out: - dt_trans_stop(env, lfsck->li_bottom, handle); + dt_trans_stop(env, dev, handle); log: if (rc != 0) @@ -466,6 +434,64 @@ log: return rc; } +static struct dt_object * +lfsck_namespace_load_one_trace_file(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *parent, + const char *name, bool reset) +{ + struct lfsck_instance *lfsck = com->lc_lfsck; + struct dt_object *obj; + int rc; + + if (reset) { + rc = local_object_unlink(env, lfsck->li_bottom, parent, name); + if (rc != 0 && rc != -ENOENT) + return ERR_PTR(rc); + } + + obj = local_index_find_or_create(env, lfsck->li_los, parent, name, + S_IFREG | S_IRUGO | S_IWUSR, + &dt_lfsck_features); + + return obj; +} + +static int lfsck_namespace_load_sub_trace_files(const struct lu_env *env, + struct lfsck_component *com, + bool reset) +{ + char *name = lfsck_env_info(env)->lti_key; + struct lfsck_sub_trace_obj *lsto; + struct dt_object *obj; + int rc; + int i; + + for (i = 0, lsto = &com->lc_sub_trace_objs[0]; + i < LFSCK_STF_COUNT; i++, lsto++) { + snprintf(name, NAME_MAX, "%s_%02d", LFSCK_NAMESPACE, i); + if (lsto->lsto_obj != NULL) { + if (!reset) + continue; + + lfsck_object_put(env, lsto->lsto_obj); + lsto->lsto_obj = NULL; + } + + obj = lfsck_namespace_load_one_trace_file(env, com, + com->lc_lfsck->li_lfsck_dir, name, reset); + if (IS_ERR(obj)) + return PTR_ERR(obj); + + lsto->lsto_obj = obj; + rc = obj->do_ops->do_index_try(env, obj, &dt_lfsck_features); + if (rc != 0) + return rc; + } + + return 0; +} + static int lfsck_namespace_init(const struct lu_env *env, struct lfsck_component *com) { @@ -476,8 +502,11 @@ static int lfsck_namespace_init(const struct lu_env *env, ns->ln_magic = LFSCK_NAMESPACE_MAGIC; ns->ln_status = LS_INIT; down_write(&com->lc_sem); - rc = lfsck_namespace_store(env, com, true); + rc = lfsck_namespace_store(env, com); up_write(&com->lc_sem); + if (rc == 0) + rc = lfsck_namespace_load_sub_trace_files(env, com, true); + return rc; } @@ -490,7 +519,7 @@ static int lfsck_namespace_init(const struct lu_env *env, * trace file * \param[in] add true if add new flags, otherwise remove flags * - * \retval 0 for succeed or nothing to be done + * \retval 0 for success or nothing to be done * \retval negative error number on failure */ int lfsck_namespace_trace_update(const struct lu_env *env, @@ -499,10 +528,11 @@ int lfsck_namespace_trace_update(const struct lu_env *env, const __u8 flags, bool add) { struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_object *obj = com->lc_obj; + struct dt_object *obj; struct lu_fid *key = &lfsck_env_info(env)->lti_fid3; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev; struct thandle *th = NULL; + int idx; int rc = 0; __u8 old = 0; __u8 new = 0; @@ -510,10 +540,16 @@ int lfsck_namespace_trace_update(const struct lu_env *env, LASSERT(flags != 0); - down_write(&com->lc_sem); + if (unlikely(!fid_is_sane(fid))) + RETURN(0); + + idx = lfsck_sub_trace_file_fid2idx(fid); + obj = com->lc_sub_trace_objs[idx].lsto_obj; + dev = lfsck_obj2dev(obj); + mutex_lock(&com->lc_sub_trace_objs[idx].lsto_mutex); fid_cpu_to_be(key, fid); rc = dt_lookup(env, obj, (struct dt_rec *)&old, - (const struct dt_key *)key, BYPASS_CAPA); + (const struct dt_key *)key); if (rc == -ENOENT) { if (!add) GOTO(unlock, rc = 0); @@ -560,15 +596,14 @@ int lfsck_namespace_trace_update(const struct lu_env *env, GOTO(log, rc); if (old != 0) { - rc = dt_delete(env, obj, (const struct dt_key *)key, - th, BYPASS_CAPA); + rc = dt_delete(env, obj, (const struct dt_key *)key, th); if (rc != 0) GOTO(log, rc); } if (new != 0) { rc = dt_insert(env, obj, (const struct dt_rec *)&new, - (const struct dt_key *)key, th, BYPASS_CAPA, 1); + (const struct dt_key *)key, th, 1); if (rc != 0) GOTO(log, rc); } @@ -585,7 +620,7 @@ log: (__u32)flags, (__u32)old, (__u32)new, rc); unlock: - up_write(&com->lc_sem); + mutex_unlock(&com->lc_sub_trace_objs[idx].lsto_mutex); return rc; } @@ -602,7 +637,7 @@ int lfsck_namespace_check_exist(const struct lu_env *env, RETURN(LFSCK_NAMEENTRY_DEAD); rc = dt_lookup(env, dir, (struct dt_rec *)fid, - (const struct dt_key *)name, BYPASS_CAPA); + (const struct dt_key *)name); if (rc == -ENOENT) RETURN(LFSCK_NAMEENTRY_REMOVED); @@ -623,11 +658,9 @@ static int lfsck_declare_namespace_exec_dir(const struct lu_env *env, /* For destroying all invalid linkEA entries. */ rc = dt_declare_xattr_del(env, obj, XATTR_NAME_LINK, handle); - if (rc != 0) - return rc; - - /* For insert new linkEA entry. */ - rc = dt_declare_xattr_set(env, obj, + if (rc == 0) + /* For insert new linkEA entry. */ + rc = dt_declare_xattr_set(env, obj, lfsck_buf_get_const(env, NULL, DEFAULT_LINKEA_SIZE), XATTR_NAME_LINK, 0, handle); return rc; @@ -644,22 +677,26 @@ int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj, if (!dt_object_exists(obj)) return -ENOENT; - rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK, BYPASS_CAPA); + rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK); if (rc == -ERANGE) { /* Buf was too small, figure out what we need. */ - rc = dt_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_LINK, - BYPASS_CAPA); - if (rc <= 0) + rc = dt_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_LINK); + if (unlikely(rc == 0)) + return -ENODATA; + + if (rc < 0) return rc; lu_buf_realloc(ldata->ld_buf, rc); if (ldata->ld_buf->lb_buf == NULL) return -ENOMEM; - rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK, - BYPASS_CAPA); + rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK); } + if (unlikely(rc == 0)) + return -ENODATA; + if (rc > 0) rc = linkea_init(ldata); @@ -683,7 +720,7 @@ static int lfsck_namespace_links_remove(const struct lu_env *env, struct dt_object *obj) { struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev = lfsck_obj2dev(obj); struct thandle *th = NULL; int rc = 0; ENTRY; @@ -709,7 +746,7 @@ static int lfsck_namespace_links_remove(const struct lu_env *env, if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) GOTO(unlock, rc = 0); - rc = dt_xattr_del(env, obj, XATTR_NAME_LINK, th, BYPASS_CAPA); + rc = dt_xattr_del(env, obj, XATTR_NAME_LINK, th); GOTO(unlock, rc); @@ -740,20 +777,62 @@ static int lfsck_links_write(const struct lu_env *env, struct dt_object *obj, ldata->ld_buf->lb_buf, ldata->ld_leh->leh_len); - return dt_xattr_set(env, obj, buf, XATTR_NAME_LINK, 0, handle, - BYPASS_CAPA); + return dt_xattr_set(env, obj, buf, XATTR_NAME_LINK, 0, handle); } -static void lfsck_namespace_unpack_linkea_entry(struct linkea_data *ldata, - struct lu_name *cname, - struct lu_fid *pfid, - char *buf) +static int lfsck_namespace_unpack_linkea_entry(struct linkea_data *ldata, + struct lu_name *cname, + struct lu_fid *pfid, + char *buf, const int buflen) { linkea_entry_unpack(ldata->ld_lee, &ldata->ld_reclen, cname, pfid); + if (unlikely(ldata->ld_reclen <= 0 || + ldata->ld_reclen + sizeof(struct link_ea_header) > + ldata->ld_leh->leh_len || + cname->ln_namelen <= 0 || + cname->ln_namelen > NAME_MAX || + cname->ln_namelen >= buflen || + !fid_is_sane(pfid))) + return -EINVAL; + /* To guarantee the 'name' is terminated with '0'. */ memcpy(buf, cname->ln_name, cname->ln_namelen); buf[cname->ln_namelen] = 0; cname->ln_name = buf; + + return 0; +} + +static void lfsck_linkea_del_buf(struct linkea_data *ldata, + const struct lu_name *lname) +{ + LASSERT(ldata->ld_leh != NULL && ldata->ld_lee != NULL); + + /* If current record is corrupted, all the subsequent + * records will be dropped. */ + if (unlikely(ldata->ld_reclen <= 0 || + ldata->ld_reclen + sizeof(struct link_ea_header) > + ldata->ld_leh->leh_len)) { + void *ptr = ldata->ld_lee; + + ldata->ld_leh->leh_len = sizeof(struct link_ea_header); + ldata->ld_leh->leh_reccount = 0; + linkea_first_entry(ldata); + while (ldata->ld_lee != NULL && + (char *)ldata->ld_lee < (char *)ptr) { + int reclen = (ldata->ld_lee->lee_reclen[0] << 8) | + ldata->ld_lee->lee_reclen[1]; + + ldata->ld_leh->leh_len += reclen; + ldata->ld_leh->leh_reccount++; + ldata->ld_lee = (struct link_ea_entry *) + ((char *)ldata->ld_lee + reclen); + } + + ldata->ld_lee = NULL; + } else { + linkea_del_buf(ldata, lname); + } } static int lfsck_namespace_filter_linkea_entry(struct linkea_data *ldata, @@ -777,7 +856,7 @@ static int lfsck_namespace_filter_linkea_entry(struct linkea_data *ldata, if (!remove) break; - linkea_del_buf(ldata, cname); + lfsck_linkea_del_buf(ldata, cname); } else { linkea_next_entry(ldata); } @@ -835,17 +914,17 @@ static int lfsck_namespace_insert_orphan(const struct lu_env *env, struct lfsck_thread_info *info = lfsck_env_info(env); struct lu_name *cname = &info->lti_name; struct dt_insert_rec *rec = &info->lti_dt_rec; - struct lu_fid *tfid = &info->lti_fid5; - struct lu_attr *la = &info->lti_la3; + struct lu_attr *la = &info->lti_la2; const struct lu_fid *cfid = lfsck_dto2fid(orphan); const struct lu_fid *pfid; + struct lu_fid tfid; struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev = lfsck_obj2dev(orphan); struct dt_object *parent; struct thandle *th = NULL; - struct lustre_handle plh = { 0 }; + struct lfsck_lock_handle *pllh = &info->lti_llh; struct lustre_handle clh = { 0 }; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata2 = { NULL }; struct lu_buf linkea_buf; int namelen; int idx = 0; @@ -854,53 +933,66 @@ static int lfsck_namespace_insert_orphan(const struct lu_env *env, ENTRY; cname->ln_name = NULL; - /* Create .lustre/lost+found/MDTxxxx when needed. */ - if (unlikely(lfsck->li_lpf_obj == NULL)) { - rc = lfsck_create_lpf(env, lfsck); - if (rc != 0) - GOTO(log, rc); - } + if (unlikely(lfsck->li_lpf_obj == NULL)) + GOTO(log, rc = -ENXIO); parent = lfsck->li_lpf_obj; pfid = lfsck_dto2fid(parent); - /* Hold update lock on the parent to prevent others to access. */ - rc = lfsck_ibits_lock(env, lfsck, parent, &plh, - MDS_INODELOCK_UPDATE, LCK_EX); - if (rc != 0) - GOTO(log, rc); - +again: do { namelen = snprintf(info->lti_key, NAME_MAX, DFID"%s-%s-%d", PFID(cfid), infix, type, idx++); - rc = dt_lookup(env, parent, (struct dt_rec *)tfid, - (const struct dt_key *)info->lti_key, - BYPASS_CAPA); + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)info->lti_key); if (rc != 0 && rc != -ENOENT) GOTO(log, rc); - if (unlikely(rc == 0 && lu_fid_eq(cfid, tfid))) + if (unlikely(rc == 0 && lu_fid_eq(cfid, &tfid))) exist = true; } while (rc == 0 && !exist); + rc = lfsck_lock(env, lfsck, parent, info->lti_key, pllh, + MDS_INODELOCK_UPDATE, LCK_PW); + if (rc != 0) + GOTO(log, rc); + + /* Re-check whether the name conflict with othrs after taken + * the ldlm lock. */ + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)info->lti_key); + if (rc == 0) { + if (!lu_fid_eq(cfid, &tfid)) { + exist = false; + lfsck_unlock(pllh); + goto again; + } + + exist = true; + } else if (rc != -ENOENT) { + GOTO(log, rc); + } else { + exist = false; + } + cname->ln_name = info->lti_key; cname->ln_namelen = namelen; - rc = linkea_data_new(&ldata, &info->lti_linkea_buf2); + rc = linkea_data_new(&ldata2, &info->lti_linkea_buf2); if (rc != 0) GOTO(log, rc); - rc = linkea_add_buf(&ldata, cname, pfid); + rc = linkea_add_buf(&ldata2, cname, pfid); if (rc != 0) GOTO(log, rc); rc = lfsck_ibits_lock(env, lfsck, orphan, &clh, - MDS_INODELOCK_UPDATE | MDS_INODELOCK_LOOKUP, - LCK_EX); + MDS_INODELOCK_UPDATE | MDS_INODELOCK_LOOKUP | + MDS_INODELOCK_XATTR, LCK_EX); if (rc != 0) GOTO(log, rc); - lfsck_buf_init(&linkea_buf, ldata.ld_buf->lb_buf, - ldata.ld_leh->leh_len); + lfsck_buf_init(&linkea_buf, ldata2.ld_buf->lb_buf, + ldata2.ld_leh->leh_len); th = dt_trans_create(env, dev); if (IS_ERR(th)) GOTO(log, rc = PTR_ERR(th)); @@ -952,33 +1044,32 @@ static int lfsck_namespace_insert_orphan(const struct lu_env *env, GOTO(stop, rc); dt_write_lock(env, orphan, 0); - rc = lfsck_links_read(env, orphan, &ldata); + rc = lfsck_links_read2(env, orphan, &ldata2); if (likely((rc == -ENODATA) || (rc == -EINVAL) || - (rc == 0 && ldata.ld_leh->leh_reccount == 0))) { + (rc == 0 && ldata2.ld_leh != NULL && + ldata2.ld_leh->leh_reccount == 0))) { if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) GOTO(unlock, rc = 1); if (S_ISDIR(lfsck_object_type(orphan))) { rc = dt_delete(env, orphan, - (const struct dt_key *)dotdot, th, - BYPASS_CAPA); + (const struct dt_key *)dotdot, th); if (rc != 0) GOTO(unlock, rc); rec->rec_type = S_IFDIR; rec->rec_fid = pfid; rc = dt_insert(env, orphan, (const struct dt_rec *)rec, - (const struct dt_key *)dotdot, th, - BYPASS_CAPA, 1); + (const struct dt_key *)dotdot, th, 1); if (rc != 0) GOTO(unlock, rc); } rc = dt_xattr_set(env, orphan, &linkea_buf, XATTR_NAME_LINK, 0, - th, BYPASS_CAPA); + th); } else { if (rc == 0 && count != NULL) - *count = ldata.ld_leh->leh_reccount; + *count = ldata2.ld_leh->leh_reccount; GOTO(unlock, rc); } @@ -988,8 +1079,7 @@ static int lfsck_namespace_insert_orphan(const struct lu_env *env, rec->rec_type = lfsck_object_type(orphan) & S_IFMT; rec->rec_fid = cfid; rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)cname->ln_name, - th, BYPASS_CAPA, 1); + (const struct dt_key *)cname->ln_name, th, 1); if (rc == 0 && S_ISDIR(rec->rec_type)) { dt_write_lock(env, parent, 0); rc = dt_ref_add(env, parent, th); @@ -998,7 +1088,7 @@ static int lfsck_namespace_insert_orphan(const struct lu_env *env, } if (rc == 0) - rc = dt_attr_set(env, orphan, la, th, BYPASS_CAPA); + rc = dt_attr_set(env, orphan, la, th); GOTO(stop, rc = (rc == 0 ? 1 : rc)); @@ -1010,7 +1100,7 @@ stop: log: lfsck_ibits_unlock(&clh, LCK_EX); - lfsck_ibits_unlock(&plh, LCK_EX); + lfsck_unlock(pllh); CDEBUG(D_LFSCK, "%s: namespace LFSCK insert orphan for the " "object "DFID", name = %s: rc = %d\n", lfsck_lfsck2name(lfsck), PFID(cfid), @@ -1057,21 +1147,34 @@ static int lfsck_namespace_insert_normal(const struct lu_env *env, struct lu_attr *la = &info->lti_la; struct dt_insert_rec *rec = &info->lti_dt_rec; struct lfsck_instance *lfsck = com->lc_lfsck; + /* The child and its name may be on different MDTs. */ + const struct lu_fid *pfid = lfsck_dto2fid(parent); + const struct lu_fid *cfid = lfsck_dto2fid(child); struct dt_device *dev = lfsck->li_next; struct thandle *th = NULL; - struct lustre_handle lh = { 0 }; + struct lfsck_lock_handle *llh = &info->lti_llh; int rc = 0; ENTRY; + /* @parent/@child may be based on lfsck->li_bottom, + * but here we need the object based on the lfsck->li_next. */ + + parent = lfsck_object_locate(dev, parent); + if (IS_ERR(parent)) + GOTO(log, rc = PTR_ERR(parent)); + if (unlikely(!dt_try_as_dir(env, parent))) GOTO(log, rc = -ENOTDIR); + child = lfsck_object_locate(dev, child); + if (IS_ERR(child)) + GOTO(log, rc = PTR_ERR(child)); + if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) GOTO(log, rc = 1); - /* Hold update lock on the parent to prevent others to access. */ - rc = lfsck_ibits_lock(env, lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); + rc = lfsck_lock(env, lfsck, parent, name, llh, + MDS_INODELOCK_UPDATE, LCK_PW); if (rc != 0) GOTO(log, rc); @@ -1080,7 +1183,7 @@ static int lfsck_namespace_insert_normal(const struct lu_env *env, GOTO(unlock, rc = PTR_ERR(th)); rec->rec_type = lfsck_object_type(child) & S_IFMT; - rec->rec_fid = lfsck_dto2fid(child); + rec->rec_fid = cfid; rc = dt_declare_insert(env, parent, (const struct dt_rec *)rec, (const struct dt_key *)name, th); if (rc != 0) @@ -1108,7 +1211,7 @@ static int lfsck_namespace_insert_normal(const struct lu_env *env, GOTO(stop, rc); rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name, th, BYPASS_CAPA, 1); + (const struct dt_key *)name, th, 1); if (rc != 0) GOTO(stop, rc); @@ -1121,11 +1224,11 @@ static int lfsck_namespace_insert_normal(const struct lu_env *env, } la->la_ctime = cfs_time_current_sec(); - rc = dt_attr_set(env, parent, la, th, BYPASS_CAPA); + rc = dt_attr_set(env, parent, la, th); if (rc != 0) GOTO(stop, rc); - rc = dt_attr_set(env, child, la, th, BYPASS_CAPA); + rc = dt_attr_set(env, child, la, th); GOTO(stop, rc = (rc == 0 ? 1 : rc)); @@ -1133,14 +1236,13 @@ stop: dt_trans_stop(env, dev, th); unlock: - lfsck_ibits_unlock(&lh, LCK_EX); + lfsck_unlock(llh); log: CDEBUG(D_LFSCK, "%s: namespace LFSCK insert object "DFID" with " "the name %s and type %o to the parent "DFID": rc = %d\n", - lfsck_lfsck2name(lfsck), PFID(lfsck_dto2fid(child)), name, - lfsck_object_type(child) & S_IFMT, - PFID(lfsck_dto2fid(parent)), rc); + lfsck_lfsck2name(lfsck), PFID(cfid), name, + lfsck_object_type(child) & S_IFMT, PFID(pfid), rc); if (rc != 0) { struct lfsck_namespace *ns = com->lc_file_ram; @@ -1154,119 +1256,7 @@ log: } /** - * Create the specified orphan MDT-object on remote MDT. - * - * The LFSCK instance on this MDT will send LFSCK RPC to remote MDT to - * ask the remote LFSCK instance to create the specified orphan object - * under .lustre/lost+found/MDTxxxx/ directory with the name: - * ${FID}-P-${conflict_version}. - * - * \param[in] env pointer to the thread context - * \param[in] com pointer to the lfsck component - * \param[in] orphan pointer to the orphan MDT-object - * \param[in] type the orphan's type to be created - * - * type "P": The orphan object to be created was a parent directory - * of some MDT-object which linkEA shows that the @orphan - * object is missing. - * - * \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, - struct lmv_mds_md_v1 *lmv) -{ - struct lfsck_thread_info *info = lfsck_env_info(env); - struct lfsck_request *lr = &info->lti_lr; - struct lu_seq_range *range = &info->lti_range; - const struct lu_fid *fid = lfsck_dto2fid(orphan); - struct lfsck_namespace *ns = com->lc_file_ram; - struct lfsck_instance *lfsck = com->lc_lfsck; - struct seq_server_site *ss = - lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site); - struct lfsck_tgt_desc *ltd = NULL; - struct ptlrpc_request *req = NULL; - int rc; - ENTRY; - - if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) - GOTO(out, rc = 1); - - fld_range_set_mdt(range); - rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range); - if (rc != 0) - GOTO(out, rc); - - ltd = lfsck_tgt_get(&lfsck->li_mdt_descs, range->lsr_index); - if (ltd == NULL) { - ns->ln_flags |= LF_INCOMPLETE; - - GOTO(out, rc = -ENODEV); - } - - req = ptlrpc_request_alloc(class_exp2cliimp(ltd->ltd_exp), - &RQF_LFSCK_NOTIFY); - if (req == NULL) - GOTO(out, rc = -ENOMEM); - - rc = ptlrpc_request_pack(req, LUSTRE_OBD_VERSION, LFSCK_NOTIFY); - if (rc != 0) { - ptlrpc_request_free(req); - - GOTO(out, rc); - } - - lr = req_capsule_client_get(&req->rq_pill, &RMF_LFSCK_REQUEST); - memset(lr, 0, sizeof(*lr)); - lr->lr_event = LE_CREATE_ORPHAN; - lr->lr_index = lfsck_dev_idx(lfsck->li_bottom); - 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); - ptlrpc_req_finished(req); - - if (rc == 0) { - orphan->do_lu.lo_header->loh_attr |= LOHA_EXISTS; - rc = 1; - } else if (rc == -EEXIST) { - orphan->do_lu.lo_header->loh_attr |= LOHA_EXISTS; - rc = 0; - } - - GOTO(out, rc); - -out: - CDEBUG(D_LFSCK, "%s: namespace LFSCK create object " - DFID" on the MDT %x remotely: rc = %d\n", - lfsck_lfsck2name(lfsck), PFID(fid), - ltd != NULL ? ltd->ltd_index : -1, rc); - - if (ltd != NULL) - lfsck_tgt_put(ltd); - - return rc; -} - -/** - * Create the specified orphan MDT-object locally. + * Create the specified orphan directory. * * For the case that the parent MDT-object stored in some MDT-object's * linkEA entry is lost, the LFSCK will re-create the parent object as @@ -1276,24 +1266,15 @@ out: * \param[in] env pointer to the thread context * \param[in] com pointer to the lfsck component * \param[in] orphan pointer to the orphan MDT-object to be created - * \param[in] type the orphan's type to be created - * - * type "P": The orphan object to be created was a parent directory - * of some MDT-object which linkEA shows that the @orphan - * object is missing. - * - * \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, - struct lmv_mds_md_v1 *lmv) +static int lfsck_namespace_create_orphan_dir(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *orphan, + struct lmv_mds_md_v1 *lmv) { struct lfsck_thread_info *info = lfsck_env_info(env); struct lu_attr *la = &info->lti_la; @@ -1301,81 +1282,110 @@ static int lfsck_namespace_create_orphan_local(const struct lu_env *env, struct dt_object_format *dof = &info->lti_dof; 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 lu_fid tfid; struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct lfsck_namespace *ns = com->lc_file_ram; + struct dt_device *dev = lfsck_obj2dev(orphan); struct dt_object *parent = NULL; - struct dt_object *child = NULL; struct thandle *th = NULL; - struct lustre_handle lh = { 0 }; - struct linkea_data ldata = { 0 }; + struct lfsck_lock_handle *llh = &info->lti_llh; + struct linkea_data ldata = { NULL }; struct lu_buf linkea_buf; struct lu_buf lmv_buf; char name[32]; int namelen; int idx = 0; int rc = 0; + int rc1 = 0; ENTRY; LASSERT(!dt_object_exists(orphan)); - LASSERT(!dt_object_remote(orphan)); - - /* @orphan maybe not attached to lfsck->li_bottom */ - child = lfsck_object_find_by_dev(env, dev, cfid); - if (IS_ERR(child)) - GOTO(log, rc = PTR_ERR(child)); cname->ln_name = NULL; if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) GOTO(log, rc = 1); - /* Create .lustre/lost+found/MDTxxxx when needed. */ - if (unlikely(lfsck->li_lpf_obj == NULL)) { - rc = lfsck_create_lpf(env, lfsck); + if (dt_object_remote(orphan)) { + LASSERT(lfsck->li_lpf_root_obj != NULL); + + idx = lfsck_find_mdt_idx_by_fid(env, lfsck, cfid); + if (idx < 0) + GOTO(log, rc = idx); + + snprintf(name, 8, "MDT%04x", idx); + rc = dt_lookup(env, lfsck->li_lpf_root_obj, + (struct dt_rec *)&tfid, + (const struct dt_key *)name); if (rc != 0) - GOTO(log, rc); + GOTO(log, rc = (rc == -ENOENT ? -ENXIO : rc)); + + parent = lfsck_object_find_bottom(env, lfsck, &tfid); + if (IS_ERR(parent)) + GOTO(log, rc = PTR_ERR(parent)); + + if (unlikely(!dt_try_as_dir(env, parent))) + GOTO(log, rc = -ENOTDIR); + } else { + if (unlikely(lfsck->li_lpf_obj == NULL)) + GOTO(log, rc = -ENXIO); + + parent = lfsck->li_lpf_obj; } - parent = lfsck->li_lpf_obj; - pfid = lfsck_dto2fid(parent); + dev = lfsck_find_dev_by_fid(env, lfsck, cfid); + if (IS_ERR(dev)) + GOTO(log, rc = PTR_ERR(dev)); - /* Hold update lock on the parent to prevent others to access. */ - rc = lfsck_ibits_lock(env, lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); - if (rc != 0) - GOTO(log, rc); + idx = 0; +again: do { namelen = snprintf(name, 31, DFID"-P-%d", PFID(cfid), idx++); - rc = dt_lookup(env, parent, (struct dt_rec *)tfid, - (const struct dt_key *)name, BYPASS_CAPA); + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)name); if (rc != 0 && rc != -ENOENT) - GOTO(unlock1, rc); + GOTO(log, rc); } while (rc == 0); + rc = lfsck_lock(env, lfsck, parent, name, llh, + MDS_INODELOCK_UPDATE, LCK_PW); + if (rc != 0) + GOTO(log, rc); + + /* Re-check whether the name conflict with othrs after taken + * the ldlm lock. */ + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)name); + if (unlikely(rc == 0)) { + lfsck_unlock(llh); + goto again; + } + + if (rc != -ENOENT) + GOTO(unlock1, rc); + cname->ln_name = name; cname->ln_namelen = namelen; memset(la, 0, sizeof(*la)); - la->la_mode = type | (S_ISDIR(type) ? 0700 : 0600); + la->la_mode = S_IFDIR | 0700; la->la_valid = LA_TYPE | LA_MODE | LA_UID | LA_GID | LA_ATIME | LA_MTIME | LA_CTIME; - child->do_ops->do_ah_init(env, hint, parent, child, - la->la_mode & S_IFMT); + orphan->do_ops->do_ah_init(env, hint, parent, orphan, + la->la_mode & S_IFMT); memset(dof, 0, sizeof(*dof)); - dof->dof_type = dt_mode_to_dft(type); + dof->dof_type = dt_mode_to_dft(S_IFDIR); rc = linkea_data_new(&ldata, &info->lti_linkea_buf2); if (rc != 0) GOTO(unlock1, rc); - rc = linkea_add_buf(&ldata, cname, pfid); + rc = linkea_add_buf(&ldata, cname, lfsck_dto2fid(parent)); if (rc != 0) GOTO(unlock1, rc); @@ -1383,19 +1393,41 @@ static int lfsck_namespace_create_orphan_local(const struct lu_env *env, if (IS_ERR(th)) GOTO(unlock1, rc = PTR_ERR(th)); - rc = dt_declare_create(env, child, la, hint, dof, th); - if (rc == 0 && S_ISDIR(type)) - rc = dt_declare_ref_add(env, child, th); + /* Sync the remote transaction to guarantee that the subsequent + * lock against the @orphan can find the @orphan in time. */ + if (dt_object_remote(orphan)) + th->th_sync = 1; + + rc = dt_declare_create(env, orphan, la, hint, dof, th); + if (rc != 0) + GOTO(stop, rc); + if (unlikely(!dt_try_as_dir(env, orphan))) + GOTO(stop, rc = -ENOTDIR); + + rc = dt_declare_ref_add(env, orphan, th); + if (rc != 0) + GOTO(stop, rc); + + rec->rec_type = S_IFDIR; + rec->rec_fid = cfid; + rc = dt_declare_insert(env, orphan, (const struct dt_rec *)rec, + (const struct dt_key *)dot, th); + if (rc != 0) + GOTO(stop, rc); + + rec->rec_fid = lfsck_dto2fid(parent); + rc = dt_declare_insert(env, orphan, (const struct dt_rec *)rec, + (const struct dt_key *)dotdot, th); if (rc != 0) GOTO(stop, rc); if (lmv != NULL) { lmv->lmv_magic = LMV_MAGIC; - lmv->lmv_master_mdt_index = lfsck_dev_idx(dev); + lmv->lmv_master_mdt_index = lfsck_dev_idx(lfsck); 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, + rc = dt_declare_xattr_set(env, orphan, &lmv_buf, XATTR_NAME_LMV, 0, th); if (rc != 0) GOTO(stop, rc); @@ -1403,16 +1435,15 @@ static int lfsck_namespace_create_orphan_local(const struct lu_env *env, 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_declare_xattr_set(env, orphan, &linkea_buf, XATTR_NAME_LINK, 0, th); if (rc != 0) GOTO(stop, rc); - rec->rec_type = type; rec->rec_fid = cfid; rc = dt_declare_insert(env, parent, (const struct dt_rec *)rec, (const struct dt_key *)name, th); - if (rc == 0 && S_ISDIR(type)) + if (rc == 0) rc = dt_declare_ref_add(env, parent, th); if (rc != 0) @@ -1422,52 +1453,43 @@ static int lfsck_namespace_create_orphan_local(const struct lu_env *env, if (rc != 0) GOTO(stop, rc); - dt_write_lock(env, child, 0); - rc = dt_create(env, child, la, hint, dof, th); + dt_write_lock(env, orphan, 0); + rc = dt_create(env, orphan, la, hint, dof, th); if (rc != 0) GOTO(unlock2, rc); - if (S_ISDIR(type)) { - if (unlikely(!dt_try_as_dir(env, child))) - GOTO(unlock2, rc = -ENOTDIR); - - rec->rec_type = S_IFDIR; - rec->rec_fid = cfid; - rc = dt_insert(env, child, (const struct dt_rec *)rec, - (const struct dt_key *)dot, th, BYPASS_CAPA, 1); - if (rc != 0) - GOTO(unlock2, rc); + rc = dt_ref_add(env, orphan, th); + if (rc != 0) + GOTO(unlock2, rc); - rec->rec_fid = pfid; - rc = dt_insert(env, child, (const struct dt_rec *)rec, - (const struct dt_key *)dotdot, th, - BYPASS_CAPA, 1); - if (rc != 0) - GOTO(unlock2, rc); + rec->rec_fid = cfid; + rc = dt_insert(env, orphan, (const struct dt_rec *)rec, + (const struct dt_key *)dot, th, 1); + if (rc != 0) + GOTO(unlock2, rc); - rc = dt_ref_add(env, child, th); - if (rc != 0) - GOTO(unlock2, rc); - } + rec->rec_fid = lfsck_dto2fid(parent); + rc = dt_insert(env, orphan, (const struct dt_rec *)rec, + (const struct dt_key *)dotdot, th, 1); + if (rc != 0) + GOTO(unlock2, rc); if (lmv != NULL) { - rc = dt_xattr_set(env, child, &lmv_buf, XATTR_NAME_LMV, 0, - th, BYPASS_CAPA); + rc = dt_xattr_set(env, orphan, &lmv_buf, XATTR_NAME_LMV, 0, th); 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); + rc = dt_xattr_set(env, orphan, &linkea_buf, + XATTR_NAME_LINK, 0, th); + dt_write_unlock(env, orphan); if (rc != 0) GOTO(stop, rc); - rec->rec_type = type; rec->rec_fid = cfid; rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name, th, BYPASS_CAPA, 1); - if (rc == 0 && S_ISDIR(type)) { + (const struct dt_key *)name, th, 1); + if (rc == 0) { dt_write_lock(env, parent, 0); rc = dt_ref_add(env, parent, th); dt_write_unlock(env, parent); @@ -1476,64 +1498,24 @@ static int lfsck_namespace_create_orphan_local(const struct lu_env *env, GOTO(stop, rc = (rc == 0 ? 1 : rc)); unlock2: - dt_write_unlock(env, child); + dt_write_unlock(env, orphan); stop: - dt_trans_stop(env, dev, th); + rc1 = dt_trans_stop(env, dev, th); + if (rc1 != 0 && rc > 0) + rc = rc1; unlock1: - lfsck_ibits_unlock(&lh, LCK_EX); + lfsck_unlock(llh); log: - CDEBUG(D_LFSCK, "%s: namespace LFSCK create orphan locally for " - "the object "DFID", name = %s, type %o: rc = %d\n", + CDEBUG(D_LFSCK, "%s: namespace LFSCK create orphan dir for " + "the object "DFID", name = %s: rc = %d\n", lfsck_lfsck2name(lfsck), PFID(cfid), - cname->ln_name != NULL ? cname->ln_name : "", type, rc); - - if (child != NULL && !IS_ERR(child)) - lfsck_object_put(env, child); - - return rc; -} - -/** - * Create the specified orphan MDT-object. - * - * For the case that the parent MDT-object stored in some MDT-object's - * linkEA entry is lost, the LFSCK will re-create the parent object as - * an orphan and insert it into .lustre/lost+found/MDTxxxx/ directory - * with the name: ${FID}-P-${conflict_version}. - * - * \param[in] env pointer to the thread context - * \param[in] com pointer to the lfsck component - * \param[in] orphan pointer to the orphan MDT-object - * - * type "P": The orphan object to be created was a parent directory - * of some MDT-object which linkEA shows that the @orphan - * object is missing. - * - * \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 lmv_mds_md_v1 *lmv) -{ - struct lfsck_namespace *ns = com->lc_file_ram; - int rc; + cname->ln_name != NULL ? cname->ln_name : "", rc); - if (dt_object_remote(orphan)) - rc = lfsck_namespace_create_orphan_remote(env, com, orphan, - S_IFDIR, lmv); - else - rc = lfsck_namespace_create_orphan_local(env, com, orphan, - S_IFDIR, lmv); + if (parent != NULL && !IS_ERR(parent) && parent != lfsck->li_lpf_obj) + lfsck_object_put(env, parent); if (rc != 0) ns->ln_flags |= LF_INCONSISTENT; @@ -1570,36 +1552,43 @@ static int lfsck_namespace_shrink_linkea(const struct lu_env *env, bool next) { struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev = lfsck_obj2dev(obj); struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; struct thandle *th = NULL; struct lustre_handle lh = { 0 }; - struct linkea_data ldata_new = { 0 }; + struct linkea_data ldata_new = { NULL }; struct lu_buf linkea_buf; + int buflen = 0; int rc = 0; ENTRY; rc = lfsck_ibits_lock(env, lfsck, obj, &lh, - MDS_INODELOCK_UPDATE | - MDS_INODELOCK_XATTR, LCK_EX); + MDS_INODELOCK_UPDATE | MDS_INODELOCK_XATTR, + LCK_EX); if (rc != 0) GOTO(log, rc); if (next) - linkea_del_buf(ldata, cname); + lfsck_linkea_del_buf(ldata, cname); else lfsck_namespace_filter_linkea_entry(ldata, cname, pfid, true); - lfsck_buf_init(&linkea_buf, ldata->ld_buf->lb_buf, - ldata->ld_leh->leh_len); + if (ldata->ld_leh->leh_reccount > 0) { + lfsck_buf_init(&linkea_buf, ldata->ld_buf->lb_buf, + ldata->ld_leh->leh_len); + buflen = linkea_buf.lb_len; + } again: th = dt_trans_create(env, dev); if (IS_ERR(th)) GOTO(unlock1, rc = PTR_ERR(th)); - rc = dt_declare_xattr_set(env, obj, &linkea_buf, - XATTR_NAME_LINK, 0, th); + if (buflen != 0) + rc = dt_declare_xattr_set(env, obj, &linkea_buf, + XATTR_NAME_LINK, 0, th); + else + rc = dt_declare_xattr_del(env, obj, XATTR_NAME_LINK, th); if (rc != 0) GOTO(stop, rc); @@ -1613,7 +1602,8 @@ again: rc = lfsck_links_read2(env, obj, &ldata_new); if (rc != 0) - GOTO(unlock2, rc); + GOTO(unlock2, + rc = (rc == -ENODATA ? 0 : rc)); /* The specified linkEA entry has been removed by race. */ rc = linkea_links_find(&ldata_new, cname, pfid); @@ -1624,12 +1614,12 @@ again: GOTO(unlock2, rc = 1); if (next) - linkea_del_buf(&ldata_new, cname); + lfsck_linkea_del_buf(&ldata_new, cname); else lfsck_namespace_filter_linkea_entry(&ldata_new, cname, pfid, true); - if (linkea_buf.lb_len < ldata_new.ld_leh->leh_len) { + if (buflen < ldata_new.ld_leh->leh_len) { dt_write_unlock(env, obj); dt_trans_stop(env, dev, th); lfsck_buf_init(&linkea_buf, ldata_new.ld_buf->lb_buf, @@ -1637,10 +1627,14 @@ again: goto again; } - lfsck_buf_init(&linkea_buf, ldata_new.ld_buf->lb_buf, - ldata_new.ld_leh->leh_len); - rc = dt_xattr_set(env, obj, &linkea_buf, - XATTR_NAME_LINK, 0, th, BYPASS_CAPA); + if (ldata_new.ld_leh->leh_reccount > 0) { + lfsck_buf_init(&linkea_buf, ldata_new.ld_buf->lb_buf, + ldata_new.ld_leh->leh_len); + rc = dt_xattr_set(env, obj, &linkea_buf, + XATTR_NAME_LINK, 0, th); + } else { + rc = dt_xattr_del(env, obj, XATTR_NAME_LINK, th); + } GOTO(unlock2, rc = (rc == 0 ? 1 : rc)); @@ -1696,20 +1690,21 @@ static int lfsck_namespace_shrink_linkea_cond(const struct lu_env *env, struct lu_name *cname, struct lu_fid *pfid) { - struct lu_fid *cfid = &lfsck_env_info(env)->lti_fid3; - struct lustre_handle lh = { 0 }; - int rc; + struct lfsck_thread_info *info = lfsck_env_info(env); + struct lu_fid *cfid = &info->lti_fid3; + struct lfsck_lock_handle *llh = &info->lti_llh; + int rc; ENTRY; - rc = lfsck_ibits_lock(env, com->lc_lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); + rc = lfsck_lock(env, com->lc_lfsck, parent, cname->ln_name, llh, + MDS_INODELOCK_UPDATE, LCK_PR); if (rc != 0) RETURN(rc); dt_read_lock(env, parent, 0); if (unlikely(lfsck_is_dead_obj(parent))) { dt_read_unlock(env, parent); - lfsck_ibits_unlock(&lh, LCK_EX); + lfsck_unlock(llh); rc = lfsck_namespace_shrink_linkea(env, com, child, ldata, cname, pfid, true); @@ -1717,8 +1712,7 @@ static int lfsck_namespace_shrink_linkea_cond(const struct lu_env *env, } rc = dt_lookup(env, parent, (struct dt_rec *)cfid, - (const struct dt_key *)cname->ln_name, - BYPASS_CAPA); + (const struct dt_key *)cname->ln_name); dt_read_unlock(env, parent); /* It is safe to release the ldlm lock, because when the logic come @@ -1728,7 +1722,7 @@ static int lfsck_namespace_shrink_linkea_cond(const struct lu_env *env, * has removed the specified linkEA entry by race, then it is OK, * because the subsequent lfsck_namespace_shrink_linkea() can handle * such case. */ - lfsck_ibits_unlock(&lh, LCK_EX); + lfsck_unlock(llh); if (rc == -ENOENT) { rc = lfsck_namespace_shrink_linkea(env, com, child, ldata, cname, pfid, true); @@ -1783,23 +1777,35 @@ static int lfsck_namespace_replace_cond(const struct lu_env *env, const struct lu_name *cname) { struct lfsck_thread_info *info = lfsck_env_info(env); - struct lu_fid *tfid = &info->lti_fid5; struct lu_attr *la = &info->lti_la; struct dt_insert_rec *rec = &info->lti_dt_rec; + struct lu_fid tfid; struct lfsck_instance *lfsck = com->lc_lfsck; + /* The child and its name may be on different MDTs. */ struct dt_device *dev = lfsck->li_next; const char *name = cname->ln_name; - struct dt_object *obj = NULL; - struct lustre_handle plh = { 0 }; + const struct lu_fid *pfid = lfsck_dto2fid(parent); + struct dt_object *cobj = NULL; + struct lfsck_lock_handle *pllh = &info->lti_llh; struct lustre_handle clh = { 0 }; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata = { NULL }; struct thandle *th = NULL; bool exist = true; int rc = 0; ENTRY; - rc = lfsck_ibits_lock(env, lfsck, parent, &plh, - MDS_INODELOCK_UPDATE, LCK_EX); + /* @parent/@child may be based on lfsck->li_bottom, + * but here we need the object based on the lfsck->li_next. */ + + parent = lfsck_object_locate(dev, parent); + if (IS_ERR(parent)) + GOTO(log, rc = PTR_ERR(parent)); + + if (unlikely(!dt_try_as_dir(env, parent))) + GOTO(log, rc = -ENOTDIR); + + rc = lfsck_lock(env, lfsck, parent, name, pllh, + MDS_INODELOCK_UPDATE, LCK_PW); if (rc != 0) GOTO(log, rc); @@ -1808,9 +1814,9 @@ static int lfsck_namespace_replace_cond(const struct lu_env *env, goto replace; } - obj = lfsck_object_find(env, lfsck, cfid); - if (IS_ERR(obj)) { - rc = PTR_ERR(obj); + cobj = lfsck_object_find_by_dev(env, dev, cfid); + if (IS_ERR(cobj)) { + rc = PTR_ERR(cobj); if (rc == -ENOENT) { exist = false; goto replace; @@ -1819,13 +1825,13 @@ static int lfsck_namespace_replace_cond(const struct lu_env *env, GOTO(log, rc); } - if (!dt_object_exists(obj)) { + if (!dt_object_exists(cobj)) { exist = false; goto replace; } - rc = dt_lookup(env, parent, (struct dt_rec *)tfid, - (const struct dt_key *)name, BYPASS_CAPA); + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)name); if (rc == -ENOENT) { exist = false; goto replace; @@ -1835,22 +1841,23 @@ static int lfsck_namespace_replace_cond(const struct lu_env *env, GOTO(log, rc); /* Someone changed the name entry, cannot replace it. */ - if (!lu_fid_eq(cfid, tfid)) + if (!lu_fid_eq(cfid, &tfid)) GOTO(log, rc = 0); /* lock the object to be destroyed. */ - rc = lfsck_ibits_lock(env, lfsck, obj, &clh, + rc = lfsck_ibits_lock(env, lfsck, cobj, &clh, MDS_INODELOCK_UPDATE | - MDS_INODELOCK_XATTR, LCK_EX); + MDS_INODELOCK_UPDATE | MDS_INODELOCK_XATTR, + LCK_EX); if (rc != 0) GOTO(log, rc); - if (unlikely(lfsck_is_dead_obj(obj))) { + if (unlikely(lfsck_is_dead_obj(cobj))) { exist = false; goto replace; } - rc = dt_attr_get(env, obj, la, BYPASS_CAPA); + rc = dt_attr_get(env, cobj, la); if (rc != 0) GOTO(log, rc); @@ -1860,8 +1867,7 @@ static int lfsck_namespace_replace_cond(const struct lu_env *env, GOTO(log, rc); if (S_ISREG(la->la_mode)) { - rc = dt_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_LOV, - BYPASS_CAPA); + rc = dt_xattr_get(env, cobj, &LU_BUF_NULL, XATTR_NAME_LOV); /* If someone has created related OST-object(s), * then keep it. */ if ((rc > 0) || (rc < 0 && rc != -ENODATA)) @@ -1880,7 +1886,7 @@ replace: if (rc != 0) GOTO(log, rc); - rc = linkea_links_find(&ldata, cname, lfsck_dto2fid(parent)); + rc = linkea_links_find(&ldata, cname, pfid); /* Someone moved the child, no need to replace. */ if (rc != 0) GOTO(log, rc = 0); @@ -1893,7 +1899,7 @@ replace: GOTO(log, rc = PTR_ERR(th)); if (exist) { - rc = dt_declare_destroy(env, obj, th); + rc = dt_declare_destroy(env, cobj, th); if (rc != 0) GOTO(stop, rc); } @@ -1909,22 +1915,23 @@ replace: if (rc != 0) GOTO(stop, rc); - rc = dt_trans_start(env, dev, th); + rc = dt_trans_start_local(env, dev, th); if (rc != 0) GOTO(stop, rc); if (exist) { - rc = dt_destroy(env, obj, th); + rc = dt_destroy(env, cobj, th); if (rc != 0) GOTO(stop, rc); } /* The old name entry maybe not exist. */ - dt_delete(env, parent, (const struct dt_key *)name, th, - BYPASS_CAPA); + rc = dt_delete(env, parent, (const struct dt_key *)name, th); + if (rc != 0 && rc != -ENOENT) + GOTO(stop, rc); rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name, th, BYPASS_CAPA, 1); + (const struct dt_key *)name, th, 1); GOTO(stop, rc = (rc == 0 ? 1 : rc)); @@ -1933,16 +1940,16 @@ stop: log: lfsck_ibits_unlock(&clh, LCK_EX); - lfsck_ibits_unlock(&plh, LCK_EX); - if (obj != NULL && !IS_ERR(obj)) - lfsck_object_put(env, obj); + lfsck_unlock(pllh); + + if (cobj != NULL && !IS_ERR(cobj)) + lfsck_object_put(env, cobj); CDEBUG(D_LFSCK, "%s: namespace LFSCK conditionally destroy the " "object "DFID" because of conflict with the object "DFID " under the parent "DFID" with name %s: rc = %d\n", lfsck_lfsck2name(lfsck), PFID(cfid), - PFID(lfsck_dto2fid(child)), PFID(lfsck_dto2fid(parent)), - name, rc); + PFID(lfsck_dto2fid(child)), PFID(pfid), name, rc); return rc; } @@ -1967,7 +1974,7 @@ int lfsck_namespace_rebuild_linkea(const struct lu_env *env, struct linkea_data *ldata) { struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev = lfsck_obj2dev(obj); struct thandle *th = NULL; struct lu_buf linkea_buf; int rc = 0; @@ -1996,7 +2003,7 @@ int lfsck_namespace_rebuild_linkea(const struct lu_env *env, GOTO(unlock, rc = 1); rc = dt_xattr_set(env, obj, &linkea_buf, - XATTR_NAME_LINK, 0, th, BYPASS_CAPA); + XATTR_NAME_LINK, 0, th); GOTO(unlock, rc = (rc == 0 ? 1 : rc)); @@ -2050,20 +2057,30 @@ int lfsck_namespace_repair_dirent(const struct lu_env *env, { struct lfsck_thread_info *info = lfsck_env_info(env); struct dt_insert_rec *rec = &info->lti_dt_rec; + const struct lu_fid *pfid = lfsck_dto2fid(parent); const struct lu_fid *cfid = lfsck_dto2fid(child); - struct lu_fid *tfid = &info->lti_fid5; + struct lu_fid tfid; struct lfsck_instance *lfsck = com->lc_lfsck; struct dt_device *dev = lfsck->li_next; struct thandle *th = NULL; + struct lfsck_lock_handle *llh = &info->lti_llh; struct lustre_handle lh = { 0 }; int rc = 0; ENTRY; + parent = lfsck_object_locate(dev, parent); + if (IS_ERR(parent)) + GOTO(log, rc = PTR_ERR(parent)); + if (unlikely(!dt_try_as_dir(env, parent))) GOTO(log, rc = -ENOTDIR); - rc = lfsck_ibits_lock(env, lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); + if (!update || strcmp(name, name2) == 0) + rc = lfsck_lock(env, lfsck, parent, name, llh, + MDS_INODELOCK_UPDATE, LCK_PW); + else + rc = lfsck_ibits_lock(env, lfsck, parent, &lh, + MDS_INODELOCK_UPDATE, LCK_PW); if (rc != 0) GOTO(log, rc); @@ -2085,19 +2102,20 @@ int lfsck_namespace_repair_dirent(const struct lu_env *env, GOTO(stop, rc); } - if (dec) { + if (dec && S_ISDIR(type)) { rc = dt_declare_ref_del(env, parent, th); if (rc != 0) GOTO(stop, rc); } - rc = dt_trans_start(env, dev, th); + rc = dt_trans_start_local(env, dev, th); if (rc != 0) GOTO(stop, rc); + dt_write_lock(env, parent, 0); - rc = dt_lookup(env, parent, (struct dt_rec *)tfid, - (const struct dt_key *)name, BYPASS_CAPA); + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)name); /* Someone has removed the bad name entry by race. */ if (rc == -ENOENT) GOTO(unlock2, rc = 0); @@ -2107,27 +2125,25 @@ int lfsck_namespace_repair_dirent(const struct lu_env *env, /* Someone has removed the bad name entry and reused it for other * object by race. */ - if (!lu_fid_eq(tfid, cfid)) + if (!lu_fid_eq(&tfid, cfid)) GOTO(unlock2, rc = 0); if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) GOTO(unlock2, rc = 1); - rc = dt_delete(env, parent, (const struct dt_key *)name, th, - BYPASS_CAPA); + rc = dt_delete(env, parent, (const struct dt_key *)name, th); if (rc != 0) GOTO(unlock2, rc); if (update) { rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name2, th, - BYPASS_CAPA, 1); + (const struct dt_key *)name2, th, 1); if (rc != 0) GOTO(unlock2, rc); } - if (dec) { + if (dec && S_ISDIR(type)) { rc = dt_ref_del(env, parent, th); if (rc != 0) GOTO(unlock2, rc); @@ -2149,14 +2165,16 @@ stop: LNTF_CHECK_LINKEA, true); unlock1: - lfsck_ibits_unlock(&lh, LCK_EX); + /* It is harmless even if unlock the unused lock_handle */ + lfsck_ibits_unlock(&lh, LCK_PW); + lfsck_unlock(llh); log: CDEBUG(D_LFSCK, "%s: namespace LFSCK assistant found bad name " "entry for: parent "DFID", child "DFID", name %s, type " "in name entry %o, type claimed by child %o. repair it " - "by %s with new name2 %s: rc = %d\n", lfsck_lfsck2name(lfsck), - PFID(lfsck_dto2fid(parent)), PFID(lfsck_dto2fid(child)), + "by %s with new name2 %s: rc = %d\n", + lfsck_lfsck2name(lfsck), PFID(pfid), PFID(cfid), name, type, update ? lfsck_object_type(child) : 0, update ? "updating" : "removing", name2, rc); @@ -2196,9 +2214,9 @@ static int lfsck_namespace_repair_unmatched_pairs(const struct lu_env *env, struct lfsck_thread_info *info = lfsck_env_info(env); struct dt_insert_rec *rec = &info->lti_dt_rec; struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev = lfsck_obj2dev(obj); struct thandle *th = NULL; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata = { NULL }; struct lu_buf linkea_buf; int rc = 0; ENTRY; @@ -2249,16 +2267,15 @@ static int lfsck_namespace_repair_unmatched_pairs(const struct lu_env *env, GOTO(unlock, rc = 1); /* The old ".." name entry maybe not exist. */ - dt_delete(env, obj, (const struct dt_key *)dotdot, th, - BYPASS_CAPA); + dt_delete(env, obj, (const struct dt_key *)dotdot, th); rc = dt_insert(env, obj, (const struct dt_rec *)rec, - (const struct dt_key *)dotdot, th, BYPASS_CAPA, 1); + (const struct dt_key *)dotdot, th, 1); if (rc != 0) GOTO(unlock, rc); rc = dt_xattr_set(env, obj, &linkea_buf, - XATTR_NAME_LINK, 0, th, BYPASS_CAPA); + XATTR_NAME_LINK, 0, th); GOTO(unlock, rc = (rc == 0 ? 1 : rc)); @@ -2363,6 +2380,7 @@ lfsck_namespace_dsd_orphan(const struct lu_env *env, * \param[out] type to tell the caller what the inconsistency is * \param[in] retry if found inconsistency, but the caller does not hold * ldlm lock on the @child, then set @retry as true + * \param[in] unknown set if does not know how to repair the inconsistency * * \retval positive number for repaired cases * \retval 0 if nothing to be repaired @@ -2376,12 +2394,12 @@ lfsck_namespace_dsd_single(const struct lu_env *env, struct linkea_data *ldata, struct lustre_handle *lh, enum lfsck_namespace_inconsistency_type *type, - bool *retry) + bool *retry, bool *unknown) { struct lfsck_thread_info *info = lfsck_env_info(env); struct lu_name *cname = &info->lti_name; const struct lu_fid *cfid = lfsck_dto2fid(child); - struct lu_fid *tfid = &info->lti_fid3; + struct lu_fid tfid; struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_instance *lfsck = com->lc_lfsck; struct dt_object *parent = NULL; @@ -2389,9 +2407,11 @@ lfsck_namespace_dsd_single(const struct lu_env *env, int rc = 0; ENTRY; - lfsck_namespace_unpack_linkea_entry(ldata, cname, tfid, info->lti_key); + rc = lfsck_namespace_unpack_linkea_entry(ldata, cname, &tfid, + info->lti_key, + sizeof(info->lti_key)); /* The unique linkEA entry with bad parent will be handled as orphan. */ - if (!fid_is_sane(tfid)) { + if (rc != 0) { if (!lustre_handle_is_used(lh) && retry != NULL) *retry = true; else @@ -2401,7 +2421,7 @@ lfsck_namespace_dsd_single(const struct lu_env *env, GOTO(out, rc); } - parent = lfsck_object_find_bottom(env, lfsck, tfid); + parent = lfsck_object_find_bottom(env, lfsck, &tfid); if (IS_ERR(parent)) GOTO(out, rc = PTR_ERR(parent)); @@ -2443,7 +2463,7 @@ lost_parent: /* It is an invalid name entry, we * cannot trust the parent also. */ rc = lfsck_namespace_shrink_linkea(env, com, child, - ldata, cname, tfid, true); + ldata, cname, &tfid, true); if (rc < 0) GOTO(out, rc); @@ -2456,7 +2476,7 @@ lost_parent: } /* Create the lost parent as an orphan. */ - rc = lfsck_namespace_create_orphan(env, com, parent, lmv); + rc = lfsck_namespace_create_orphan_dir(env, com, parent, lmv); if (rc >= 0) { /* Add the missing name entry to the parent. */ rc = lfsck_namespace_insert_normal(env, com, parent, @@ -2472,7 +2492,7 @@ lost_parent: * current system to be consistent. */ rc = lfsck_namespace_shrink_linkea(env, com, child, ldata, - cname, tfid, true); + cname, &tfid, true); if (rc >= 0) { snprintf(info->lti_tmpbuf, sizeof(info->lti_tmpbuf), @@ -2485,7 +2505,7 @@ lost_parent: } GOTO(out, rc); - } + } /* !dt_object_exists(parent) */ /* The unique linkEA entry with bad parent will be handled as orphan. */ if (unlikely(!dt_try_as_dir(env, parent))) { @@ -2498,8 +2518,8 @@ lost_parent: GOTO(out, rc); } - rc = dt_lookup(env, parent, (struct dt_rec *)tfid, - (const struct dt_key *)cname->ln_name, BYPASS_CAPA); + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)cname->ln_name); if (rc == -ENOENT) { /* If the LFSCK is marked as LF_INCOMPLETE, then means some MDT * has ever tried to verify some remote MDT-object that resides @@ -2528,7 +2548,7 @@ lost_parent: /* It is an invalid name entry, drop it. */ if (unlikely(rc > 0)) { rc = lfsck_namespace_shrink_linkea(env, com, child, - ldata, cname, tfid, true); + ldata, cname, &tfid, true); if (rc >= 0) { snprintf(info->lti_tmpbuf, sizeof(info->lti_tmpbuf), @@ -2560,7 +2580,7 @@ lost_parent: * internal status of create operation. Under such * case, nothing to be done. */ rc = lfsck_namespace_shrink_linkea_cond(env, com, - parent, child, ldata, cname, tfid); + parent, child, ldata, cname, &tfid); if (rc >= 0) { snprintf(info->lti_tmpbuf, sizeof(info->lti_tmpbuf), @@ -2571,12 +2591,12 @@ lost_parent: } GOTO(out, rc); - } + } /* rc == -ENOENT */ if (rc != 0) GOTO(out, rc); - if (!lu_fid_eq(tfid, cfid)) { + if (!lu_fid_eq(&tfid, cfid)) { if (!lustre_handle_is_used(lh) && retry != NULL) { *retry = true; @@ -2588,7 +2608,7 @@ lost_parent: * may be created by the LFSCK for repairing dangling * name entry. Try to replace it. */ rc = lfsck_namespace_replace_cond(env, com, parent, child, - tfid, cname); + &tfid, cname); if (rc == 0) rc = lfsck_namespace_dsd_orphan(env, com, child, pfid, lh, type); @@ -2596,8 +2616,18 @@ lost_parent: GOTO(out, rc); } - if (fid_is_zero(pfid)) + /* Zero FID may because the remote directroy object has invalid linkEA, + * or lost linkEA. Under such case, the LFSCK on this MDT does not know + * how to repair the inconsistency, but the namespace LFSCK on the MDT + * where its name entry resides may has more information (name, FID) to + * repair such inconsistency. So here, keep the inconsistency to avoid + * some imporper repairing. */ + if (fid_is_zero(pfid)) { + if (unknown) + *unknown = true; + GOTO(out, rc = 0); + } /* The ".." name entry is wrong, update it. */ if (!lu_fid_eq(pfid, lfsck_dto2fid(parent))) { @@ -2639,6 +2669,7 @@ out: * \param[in,out] lh ldlm lock handler for the given @child * \param[out] type to tell the caller what the inconsistency is * \param[in] lpf true if the ".." entry is under lost+found/MDTxxxx/ + * \param[in] unknown set if does not know how to repair the inconsistency * * \retval positive number for repaired cases * \retval 0 if nothing to be repaired @@ -2652,37 +2683,37 @@ lfsck_namespace_dsd_multiple(const struct lu_env *env, struct linkea_data *ldata, struct lustre_handle *lh, enum lfsck_namespace_inconsistency_type *type, - bool lpf) + bool lpf, bool *unknown) { struct lfsck_thread_info *info = lfsck_env_info(env); struct lu_name *cname = &info->lti_name; const struct lu_fid *cfid = lfsck_dto2fid(child); - struct lu_fid *tfid = &info->lti_fid3; - struct lu_fid *pfid2 = &info->lti_fid4; + struct lu_fid *pfid2 = &info->lti_fid3; + struct lu_fid tfid; struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_instance *lfsck = com->lc_lfsck; struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; struct dt_object *parent = NULL; - struct linkea_data ldata_new = { 0 }; + struct linkea_data ldata_new = { NULL }; int dirent_count = 0; - int linkea_count = 0; int rc = 0; bool once = true; ENTRY; again: while (ldata->ld_lee != NULL) { - lfsck_namespace_unpack_linkea_entry(ldata, cname, tfid, - info->lti_key); - /* Drop repeated linkEA entries. */ - lfsck_namespace_filter_linkea_entry(ldata, cname, tfid, true); + rc = lfsck_namespace_unpack_linkea_entry(ldata, cname, &tfid, + info->lti_key, + sizeof(info->lti_key)); /* Drop invalid linkEA entry. */ - if (!fid_is_sane(tfid)) { - linkea_del_buf(ldata, cname); - linkea_count++; + if (rc != 0) { + lfsck_linkea_del_buf(ldata, cname); continue; } + /* Drop repeated linkEA entries. */ + lfsck_namespace_filter_linkea_entry(ldata, cname, &tfid, true); + /* If current dotdot is the .lustre/lost+found/MDTxxxx/, * then it is possible that: the directry object has ever * been lost, but its name entry was there. In the former @@ -2696,12 +2727,12 @@ again: * When the LFSCK runs again, if the dangling name is still * there, the LFSCK should move the orphan directory object * back to the normal namespace. */ - if (!lpf && !lu_fid_eq(pfid, tfid) && once) { + if (!lpf && !lu_fid_eq(pfid, &tfid) && once) { linkea_next_entry(ldata); continue; } - parent = lfsck_object_find_bottom(env, lfsck, tfid); + parent = lfsck_object_find_bottom(env, lfsck, &tfid); if (IS_ERR(parent)) RETURN(PTR_ERR(parent)); @@ -2712,8 +2743,7 @@ again: * there is still other chance to make the * child to be visible via other parent, then * remove this linkEA entry. */ - linkea_del_buf(ldata, cname); - linkea_count++; + lfsck_linkea_del_buf(ldata, cname); continue; } @@ -2723,14 +2753,12 @@ again: /* The linkEA entry with bad parent will be removed. */ if (unlikely(!dt_try_as_dir(env, parent))) { lfsck_object_put(env, parent); - linkea_del_buf(ldata, cname); - linkea_count++; + lfsck_linkea_del_buf(ldata, cname); continue; } - rc = dt_lookup(env, parent, (struct dt_rec *)tfid, - (const struct dt_key *)cname->ln_name, - BYPASS_CAPA); + rc = dt_lookup(env, parent, (struct dt_rec *)&tfid, + (const struct dt_key *)cname->ln_name); *pfid2 = *lfsck_dto2fid(parent); if (rc == -ENOENT) { lfsck_object_put(env, parent); @@ -2744,8 +2772,12 @@ again: RETURN(rc); } - if (lu_fid_eq(tfid, cfid)) { + if (lu_fid_eq(&tfid, cfid)) { lfsck_object_put(env, parent); + /* If the parent (that is declared via linkEA entry) + * directory contains the specified child, but such + * parent does not match the dotdot name entry, then + * trust the linkEA. */ if (!lu_fid_eq(pfid, pfid2)) { *type = LNIT_UNMATCHED_PAIRS; rc = lfsck_namespace_repair_unmatched_pairs(env, @@ -2771,19 +2803,19 @@ rebuild: if (rc < 0) RETURN(rc); - linkea_del_buf(ldata, cname); - linkea_count++; + lfsck_linkea_del_buf(ldata, cname); linkea_first_entry(ldata); /* There may be some invalid dangling name entries under * other parent directories, remove all of them. */ while (ldata->ld_lee != NULL) { - lfsck_namespace_unpack_linkea_entry(ldata, - cname, tfid, info->lti_key); - if (!fid_is_sane(tfid)) + rc = lfsck_namespace_unpack_linkea_entry(ldata, + cname, &tfid, info->lti_key, + sizeof(info->lti_key)); + if (rc != 0) goto next; parent = lfsck_object_find_bottom(env, lfsck, - tfid); + &tfid); if (IS_ERR(parent)) { rc = PTR_ERR(parent); if (rc != -ENOENT && @@ -2812,20 +2844,20 @@ rebuild: dirent_count += rc; next: - linkea_del_buf(ldata, cname); + lfsck_linkea_del_buf(ldata, cname); } ns->ln_dirent_repaired += dirent_count; RETURN(rc); - } + } /* lu_fid_eq(&tfid, lfsck_dto2fid(child)) */ lfsck_ibits_unlock(lh, LCK_EX); /* The name entry references another MDT-object that may be * created by the LFSCK for repairing dangling name entry. * Try to replace it. */ rc = lfsck_namespace_replace_cond(env, com, parent, child, - tfid, cname); + &tfid, cname); lfsck_object_put(env, parent); if (rc < 0) RETURN(rc); @@ -2833,17 +2865,13 @@ next: if (rc > 0) goto rebuild; - linkea_del_buf(ldata, cname); - } + lfsck_linkea_del_buf(ldata, cname); + } /* while (ldata->ld_lee != NULL) */ 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); + lh, type, NULL, unknown); RETURN(rc); } @@ -2904,27 +2932,21 @@ static int lfsck_namespace_repair_nlink(const struct lu_env *env, struct lu_fid *tfid = &info->lti_fid3; struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_device *dev = lfsck->li_bottom; + struct dt_device *dev = lfsck_obj2dev(obj); const struct lu_fid *cfid = lfsck_dto2fid(obj); - struct dt_object *child = NULL; struct thandle *th = NULL; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata = { NULL }; struct lustre_handle lh = { 0 }; __u32 old = la->la_nlink; + int idx; int rc = 0; __u8 flags; ENTRY; LASSERT(!dt_object_remote(obj)); - LASSERT(S_ISREG(lfsck_object_type(obj))); - child = lfsck_object_find_by_dev(env, dev, cfid); - if (IS_ERR(child)) - GOTO(log, rc = PTR_ERR(child)); - - rc = lfsck_ibits_lock(env, lfsck, child, &lh, - MDS_INODELOCK_UPDATE | - MDS_INODELOCK_XATTR, LCK_EX); + rc = lfsck_ibits_lock(env, lfsck, obj, &lh, + MDS_INODELOCK_UPDATE, LCK_PW); if (rc != 0) GOTO(log, rc); @@ -2933,7 +2955,7 @@ static int lfsck_namespace_repair_nlink(const struct lu_env *env, GOTO(log, rc = PTR_ERR(th)); la->la_valid = LA_NLINK; - rc = dt_declare_attr_set(env, child, la, th); + rc = dt_declare_attr_set(env, obj, la, th); if (rc != 0) GOTO(stop, rc); @@ -2941,7 +2963,7 @@ static int lfsck_namespace_repair_nlink(const struct lu_env *env, if (rc != 0) GOTO(stop, rc); - dt_write_lock(env, child, 0); + dt_write_lock(env, obj, 0); /* If the LFSCK is marked as LF_INCOMPLETE, then means some MDT has * ever tried to verify some remote MDT-object that resides on this * MDT, but this MDT failed to respond such request. So means there @@ -2953,19 +2975,20 @@ static int lfsck_namespace_repair_nlink(const struct lu_env *env, GOTO(unlock, rc = 0); fid_cpu_to_be(tfid, cfid); - rc = dt_lookup(env, com->lc_obj, (struct dt_rec *)&flags, - (const struct dt_key *)tfid, BYPASS_CAPA); + idx = lfsck_sub_trace_file_fid2idx(cfid); + rc = dt_lookup(env, com->lc_sub_trace_objs[idx].lsto_obj, + (struct dt_rec *)&flags, (const struct dt_key *)tfid); if (rc != 0) GOTO(unlock, rc); if (flags & LNTF_SKIP_NLINK) GOTO(unlock, rc = 0); - rc = dt_attr_get(env, child, la, BYPASS_CAPA); + rc = dt_attr_get(env, obj, la); if (rc != 0) GOTO(unlock, rc = (rc == -ENOENT ? 0 : rc)); - rc = lfsck_links_read2(env, child, &ldata); + rc = lfsck_links_read2(env, obj, &ldata); if (rc != 0) GOTO(unlock, rc = (rc == -ENODATA ? 0 : rc)); @@ -2977,21 +3000,18 @@ static int lfsck_namespace_repair_nlink(const struct lu_env *env, if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) GOTO(unlock, rc = 1); - rc = dt_attr_set(env, child, la, th, BYPASS_CAPA); + rc = dt_attr_set(env, obj, la, th); GOTO(unlock, rc = (rc == 0 ? 1 : rc)); unlock: - dt_write_unlock(env, child); + dt_write_unlock(env, obj); stop: dt_trans_stop(env, dev, th); log: - lfsck_ibits_unlock(&lh, LCK_EX); - if (child != NULL && !IS_ERR(child)) - lfsck_object_put(env, child); - + lfsck_ibits_unlock(&lh, LCK_PW); CDEBUG(D_LFSCK, "%s: namespace LFSCK repaired the object "DFID"'s " "nlink count from %u to %u: rc = %d\n", lfsck_lfsck2name(lfsck), PFID(cfid), old, la->la_nlink, rc); @@ -3049,7 +3069,7 @@ static int lfsck_namespace_double_scan_dir(const struct lu_env *env, struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_instance *lfsck = com->lc_lfsck; struct lustre_handle lh = { 0 }; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata = { NULL }; bool unknown = false; bool lpf = false; bool retry = false; @@ -3110,7 +3130,7 @@ lock: } rc = dt_lookup(env, child, (struct dt_rec *)pfid, - (const struct dt_key *)dotdot, BYPASS_CAPA); + (const struct dt_key *)dotdot); if (rc != 0) { if (rc != -ENOENT && rc != -ENODATA && rc != -EINVAL) { dt_read_unlock(env, child); @@ -3184,13 +3204,13 @@ lock: } GOTO(out, rc); - } + } /* rc != 0 */ linkea_first_entry(&ldata); /* This is the most common case: the object has unique linkEA entry. */ if (ldata.ld_leh->leh_reccount == 1) { rc = lfsck_namespace_dsd_single(env, com, child, pfid, &ldata, - &lh, &type, &retry); + &lh, &type, &retry, &unknown); if (retry) { LASSERT(!lustre_handle_is_used(&lh)); @@ -3222,7 +3242,7 @@ lock: * but the LFSCK cannot aware that at that time, then it adds * the bad linkEA entry for further processing. */ rc = lfsck_namespace_dsd_multiple(env, com, child, pfid, &ldata, - &lh, &type, lpf); + &lh, &type, lpf, &unknown); GOTO(out, rc); @@ -3281,7 +3301,7 @@ static int lfsck_namespace_double_scan_one(const struct lu_env *env, struct lfsck_instance *lfsck = com->lc_lfsck; struct lfsck_namespace *ns = com->lc_file_ram; struct dt_object *parent = NULL; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata = { NULL }; bool repaired = false; int count = 0; int rc; @@ -3303,13 +3323,42 @@ static int lfsck_namespace_double_scan_one(const struct lu_env *env, rc = lfsck_links_read(env, child, &ldata); dt_read_unlock(env, child); + + if (rc == -EINVAL) { + struct lustre_handle lh = { 0 }; + + rc = lfsck_ibits_lock(env, com->lc_lfsck, child, &lh, + MDS_INODELOCK_UPDATE | + MDS_INODELOCK_XATTR, LCK_EX); + if (rc == 0) { + rc = lfsck_namespace_links_remove(env, com, child); + lfsck_ibits_unlock(&lh, LCK_EX); + } + + GOTO(out, rc = (rc == -ENOENT ? 0 : rc)); + } + if (rc != 0) GOTO(out, rc); linkea_first_entry(&ldata); while (ldata.ld_lee != NULL) { - lfsck_namespace_unpack_linkea_entry(&ldata, cname, pfid, - info->lti_key); + rc = lfsck_namespace_unpack_linkea_entry(&ldata, cname, pfid, + info->lti_key, + sizeof(info->lti_key)); + /* Invalid PFID in the linkEA entry. */ + if (rc != 0) { + rc = lfsck_namespace_shrink_linkea(env, com, child, + &ldata, cname, pfid, true); + if (rc < 0) + GOTO(out, rc); + + if (rc > 0) + repaired = true; + + continue; + } + rc = lfsck_namespace_filter_linkea_entry(&ldata, cname, pfid, false); /* Found repeated linkEA entries */ @@ -3327,19 +3376,6 @@ static int lfsck_namespace_double_scan_one(const struct lu_env *env, /* fall through */ } - /* Invalid PFID in the linkEA entry. */ - if (!fid_is_sane(pfid)) { - rc = lfsck_namespace_shrink_linkea(env, com, child, - &ldata, cname, pfid, true); - if (rc < 0) - GOTO(out, rc); - - if (rc > 0) - repaired = true; - - continue; - } - parent = lfsck_object_find_bottom(env, lfsck, pfid); if (IS_ERR(parent)) GOTO(out, rc = PTR_ERR(parent)); @@ -3372,7 +3408,7 @@ lost_parent: } /* Create the lost parent as an orphan. */ - rc = lfsck_namespace_create_orphan(env, com, + rc = lfsck_namespace_create_orphan_dir(env, com, parent, NULL); if (rc < 0) { lfsck_object_put(env, parent); @@ -3410,7 +3446,7 @@ lost_parent: repaired = true; continue; - } + } /* !dt_object_exists(parent) */ /* The linkEA entry with bad parent will be removed. */ if (unlikely(!dt_try_as_dir(env, parent))) { @@ -3427,8 +3463,7 @@ lost_parent: } rc = dt_lookup(env, parent, (struct dt_rec *)cfid, - (const struct dt_key *)cname->ln_name, - BYPASS_CAPA); + (const struct dt_key *)cname->ln_name); if (rc != 0 && rc != -ENOENT) { lfsck_object_put(env, parent); @@ -3471,7 +3506,9 @@ lost_parent: continue; } - rc = dt_attr_get(env, child, la, BYPASS_CAPA); + /* The following handles -ENOENT case */ + + rc = dt_attr_get(env, child, la); if (rc != 0) GOTO(out, rc); @@ -3566,11 +3603,8 @@ out: if (rc < 0 && rc != -ENODATA) return rc; - if (rc == 0) { - LASSERT(ldata.ld_leh != NULL); - + if (rc == 0 && ldata.ld_leh != NULL) count = ldata.ld_leh->leh_reccount; - } if (count == 0) { /* If the LFSCK is marked as LF_INCOMPLETE, then means some @@ -3594,15 +3628,28 @@ out: } } } else { - rc = dt_attr_get(env, child, la, BYPASS_CAPA); + rc = dt_attr_get(env, child, la); if (rc != 0) return rc; if (la->la_nlink != 0 && la->la_nlink != count) { - rc = lfsck_namespace_repair_nlink(env, com, child, la); - if (rc > 0) { - ns->ln_objs_nlink_repaired++; - rc = 0; + if (unlikely(!S_ISREG(lfsck_object_type(child)) && + !S_ISLNK(lfsck_object_type(child)))) { + CDEBUG(D_LFSCK, "%s: namespace LFSCK finds " + "the object "DFID"'s nlink count %d " + "does not match linkEA count %d, " + "type %o, skip it.\n", + lfsck_lfsck2name(lfsck), + PFID(lfsck_dto2fid(child)), + la->la_nlink, count, + lfsck_object_type(child)); + } else { + rc = lfsck_namespace_repair_nlink(env, com, + child, la); + if (rc > 0) { + ns->ln_objs_nlink_repaired++; + rc = 0; + } } } } @@ -3625,76 +3672,76 @@ static void lfsck_namespace_dump_statistics(struct seq_file *m, __u32 time_phase1, __u32 time_phase2) { - seq_printf(m, "checked_phase1: "LPU64"\n" - "checked_phase2: "LPU64"\n" - "updated_phase1: "LPU64"\n" - "updated_phase2: "LPU64"\n" - "failed_phase1: "LPU64"\n" - "failed_phase2: "LPU64"\n" - "directories: "LPU64"\n" - "dirent_repaired: "LPU64"\n" - "linkea_repaired: "LPU64"\n" - "nlinks_repaired: "LPU64"\n" - "multiple_linked_checked: "LPU64"\n" - "multiple_linked_repaired: "LPU64"\n" - "unknown_inconsistency: "LPU64"\n" - "unmatched_pairs_repaired: "LPU64"\n" - "dangling_repaired: "LPU64"\n" - "multiple_referenced_repaired: "LPU64"\n" - "bad_file_type_repaired: "LPU64"\n" - "lost_dirent_repaired: "LPU64"\n" - "local_lost_found_scanned: "LPU64"\n" - "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", - checked_phase1, - checked_phase2, - ns->ln_items_repaired, - ns->ln_objs_repaired_phase2, - ns->ln_items_failed, - ns->ln_objs_failed_phase2, - ns->ln_dirs_checked, - ns->ln_dirent_repaired, - ns->ln_linkea_repaired, - ns->ln_objs_nlink_repaired, - ns->ln_mul_linked_checked, - ns->ln_mul_linked_repaired, - ns->ln_unknown_inconsistency, - ns->ln_unmatched_pairs_repaired, - ns->ln_dangling_repaired, - ns->ln_mul_ref_repaired, - ns->ln_bad_type_repaired, - ns->ln_lost_dirent_repaired, - ns->ln_local_lpf_scanned, - 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); + seq_printf(m, "checked_phase1: %llu\n" + "checked_phase2: %llu\n" + "updated_phase1: %llu\n" + "updated_phase2: %llu\n" + "failed_phase1: %llu\n" + "failed_phase2: %llu\n" + "directories: %llu\n" + "dirent_repaired: %llu\n" + "linkea_repaired: %llu\n" + "nlinks_repaired: %llu\n" + "multiple_linked_checked: %llu\n" + "multiple_linked_repaired: %llu\n" + "unknown_inconsistency: %llu\n" + "unmatched_pairs_repaired: %llu\n" + "dangling_repaired: %llu\n" + "multiple_referenced_repaired: %llu\n" + "bad_file_type_repaired: %llu\n" + "lost_dirent_repaired: %llu\n" + "local_lost_found_scanned: %llu\n" + "local_lost_found_moved: %llu\n" + "local_lost_found_skipped: %llu\n" + "local_lost_found_failed: %llu\n" + "striped_dirs_scanned: %llu\n" + "striped_dirs_repaired: %llu\n" + "striped_dirs_failed: %llu\n" + "striped_dirs_disabled: %llu\n" + "striped_dirs_skipped: %llu\n" + "striped_shards_scanned: %llu\n" + "striped_shards_repaired: %llu\n" + "striped_shards_failed: %llu\n" + "striped_shards_skipped: %llu\n" + "name_hash_repaired: %llu\n" + "success_count: %u\n" + "run_time_phase1: %u seconds\n" + "run_time_phase2: %u seconds\n", + checked_phase1, + checked_phase2, + ns->ln_items_repaired, + ns->ln_objs_repaired_phase2, + ns->ln_items_failed, + ns->ln_objs_failed_phase2, + ns->ln_dirs_checked, + ns->ln_dirent_repaired, + ns->ln_linkea_repaired, + ns->ln_objs_nlink_repaired, + ns->ln_mul_linked_checked, + ns->ln_mul_linked_repaired, + ns->ln_unknown_inconsistency, + ns->ln_unmatched_pairs_repaired, + ns->ln_dangling_repaired, + ns->ln_mul_ref_repaired, + ns->ln_bad_type_repaired, + ns->ln_lost_dirent_repaired, + ns->ln_local_lpf_scanned, + 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, @@ -3720,6 +3767,33 @@ static void lfsck_namespace_release_lmv(const struct lu_env *env, } } +static int lfsck_namespace_check_for_double_scan(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *obj) +{ + struct lu_attr *la = &lfsck_env_info(env)->lti_la; + int rc; + + rc = dt_attr_get(env, obj, la); + if (rc != 0) + return rc; + + /* zero-linkEA object may be orphan, but it also maybe because + * of upgrading. Currently, we cannot record it for double scan. + * Because it may cause the LFSCK trace file to be too large. */ + + /* "la_ctime" == 1 means that it has ever been removed from + * backend /lost+found directory but not been added back to + * the normal namespace yet. */ + + if ((S_ISREG(lfsck_object_type(obj)) && la->la_nlink > 1) || + unlikely(la->la_ctime == 1)) + rc = lfsck_namespace_trace_update(env, com, lfsck_dto2fid(obj), + LNTF_CHECK_LINKEA, true); + + return rc; +} + /* namespace APIs */ static int lfsck_namespace_reset(const struct lu_env *env, @@ -3754,29 +3828,22 @@ static int lfsck_namespace_reset(const struct lu_env *env, ns->ln_magic = LFSCK_NAMESPACE_MAGIC; ns->ln_status = LS_INIT; - rc = local_object_unlink(env, lfsck->li_bottom, root, - lfsck_namespace_name); - if (rc != 0) - GOTO(out, rc); - lfsck_object_put(env, com->lc_obj); com->lc_obj = NULL; - dto = local_index_find_or_create(env, lfsck->li_los, root, - lfsck_namespace_name, - S_IFREG | S_IRUGO | S_IWUSR, - &dt_lfsck_features); + dto = lfsck_namespace_load_one_trace_file(env, com, root, + LFSCK_NAMESPACE, true); 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); + rc = lfsck_namespace_load_sub_trace_files(env, com, true); if (rc != 0) GOTO(out, rc); lad->lad_incomplete = 0; CFS_RESET_BITMAP(lad->lad_bitmap); - rc = lfsck_namespace_store(env, com, true); + rc = lfsck_namespace_store(env, com); GOTO(out, rc); @@ -3784,7 +3851,7 @@ out: up_write(&com->lc_sem); put: - lu_object_put(env, &root->do_lu); + lfsck_object_put(env, root); log: CDEBUG(D_LFSCK, "%s: namespace LFSCK reset: rc = %d\n", lfsck_lfsck2name(lfsck), rc); @@ -3809,6 +3876,7 @@ static void lfsck_namespace_close_dir(const struct lu_env *env, { struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_assistant_data *lad = com->lc_data; + struct lfsck_assistant_object *lso = NULL; struct lfsck_instance *lfsck = com->lc_lfsck; struct lfsck_lmv *llmv = lfsck->li_lmv; struct lfsck_namespace_req *lnr; @@ -3827,13 +3895,21 @@ static void lfsck_namespace_close_dir(const struct lu_env *env, RETURN_EXIT; } + lso = lfsck_assistant_object_init(env, lfsck_dto2fid(lfsck->li_obj_dir), + NULL, lfsck->li_pos_current.lp_oit_cookie, true); + if (IS_ERR(lso)) { + OBD_FREE(lnr, size); + 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_lar.lar_parent = lso; 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; @@ -3873,10 +3949,9 @@ static int lfsck_namespace_open_dir(const struct lu_env *env, 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)) { + if (lmv->lmv_master_mdt_index != lfsck_dev_idx(lfsck)) { lmv->lmv_master_mdt_index = - lfsck_dev_idx(lfsck->li_bottom); + lfsck_dev_idx(lfsck); ns->ln_flags |= LF_INCONSISTENT; llmv->ll_lmv_updated = 1; } @@ -3913,15 +3988,15 @@ static int lfsck_namespace_checkpoint(const struct lu_env *env, com->lc_new_checked = 0; } - rc = lfsck_namespace_store(env, com, false); + rc = lfsck_namespace_store(env, com); up_write(&com->lc_sem); log: - CDEBUG(D_LFSCK, "%s: namespace LFSCK checkpoint at the pos ["LPU64 - ", "DFID", "LPX64"]: rc = %d\n", lfsck_lfsck2name(lfsck), - lfsck->li_pos_current.lp_oit_cookie, + CDEBUG(D_LFSCK, "%s: namespace LFSCK checkpoint at the pos [%llu" + ", "DFID", %#llx], status = %d: rc = %d\n", + lfsck_lfsck2name(lfsck), lfsck->li_pos_current.lp_oit_cookie, PFID(&lfsck->li_pos_current.lp_dir_parent), - lfsck->li_pos_current.lp_dir_cookie, rc); + lfsck->li_pos_current.lp_dir_cookie, ns->ln_status, rc); return rc > 0 ? 0 : rc; } @@ -4019,8 +4094,8 @@ static int lfsck_namespace_prep(const struct lu_env *env, rc = lfsck_start_assistant(env, com, lsp); - CDEBUG(D_LFSCK, "%s: namespace LFSCK prep done, start pos ["LPU64", " - DFID", "LPX64"]: rc = %d\n", + CDEBUG(D_LFSCK, "%s: namespace LFSCK prep done, start pos [%llu, " + DFID", %#llx]: rc = %d\n", lfsck_lfsck2name(lfsck), pos->lp_oit_cookie, PFID(&pos->lp_dir_parent), pos->lp_dir_cookie, rc); @@ -4035,15 +4110,12 @@ static int lfsck_namespace_exec_oit(const struct lu_env *env, struct lfsck_namespace *ns = com->lc_file_ram; struct lfsck_instance *lfsck = com->lc_lfsck; const struct lu_fid *fid = lfsck_dto2fid(obj); - struct lu_attr *la = &info->lti_la; struct lu_fid *pfid = &info->lti_fid2; struct lu_name *cname = &info->lti_name; struct lu_seq_range *range = &info->lti_range; - struct dt_device *dev = lfsck->li_bottom; - struct seq_server_site *ss = - lu_site2seq(dev->dd_lu_dev.ld_site); - struct linkea_data ldata = { 0 }; - __u32 idx = lfsck_dev_idx(dev); + struct seq_server_site *ss = lfsck_dev_site(lfsck); + struct linkea_data ldata = { NULL }; + __u32 idx = lfsck_dev_idx(lfsck); int rc; ENTRY; @@ -4071,23 +4143,8 @@ static int lfsck_namespace_exec_oit(const struct lu_env *env, GOTO(out, rc = (rc == -ENOENT ? 0 : rc)); } - /* zero-linkEA object may be orphan, but it also maybe because - * of upgrading. Currently, we cannot record it for double scan. - * Because it may cause the LFSCK trace file to be too large. */ if (rc == -ENODATA) { - if (S_ISDIR(lfsck_object_type(obj))) - GOTO(out, rc = 0); - - rc = dt_attr_get(env, obj, la, BYPASS_CAPA); - if (rc != 0) - GOTO(out, rc); - - /* "la_ctime" == 1 means that it has ever been removed from - * backend /lost+found directory but not been added back to - * the normal namespace yet. */ - if (la->la_nlink > 1 || unlikely(la->la_ctime == 1)) - rc = lfsck_namespace_trace_update(env, com, fid, - LNTF_CHECK_LINKEA, true); + rc = lfsck_namespace_check_for_double_scan(env, com, obj); GOTO(out, rc); } @@ -4113,31 +4170,18 @@ static int lfsck_namespace_exec_oit(const struct lu_env *env, rc = fld_local_lookup(env, ss->ss_server_fld, fid_seq(pfid), range); if ((rc == -ENOENT) || - (rc == 0 && range->lsr_index != idx)) { + (rc == 0 && range->lsr_index != idx)) rc = lfsck_namespace_trace_update(env, com, fid, LNTF_CHECK_LINKEA, true); - } else { - if (S_ISDIR(lfsck_object_type(obj))) - GOTO(out, rc = 0); - - rc = dt_attr_get(env, obj, la, BYPASS_CAPA); - if (rc != 0) - GOTO(out, rc); - - /* "la_ctime" == 1 means that it has ever been - * removed from backend /lost+found directory but - * not been added back to the normal namespace yet. */ - if (la->la_nlink > 1 || unlikely(la->la_ctime == 1)) - rc = lfsck_namespace_trace_update(env, com, - fid, LNTF_CHECK_LINKEA, true); - } + else + rc = lfsck_namespace_check_for_double_scan(env, com, + obj); } GOTO(out, rc); out: down_write(&com->lc_sem); - com->lc_new_checked++; if (S_ISDIR(lfsck_object_type(obj))) ns->ln_dirs_checked++; if (rc != 0) @@ -4149,6 +4193,7 @@ out: static int lfsck_namespace_exec_dir(const struct lu_env *env, struct lfsck_component *com, + struct lfsck_assistant_object *lso, struct lu_dirent *ent, __u16 type) { struct lfsck_assistant_data *lad = com->lc_data; @@ -4161,7 +4206,6 @@ static int lfsck_namespace_exec_dir(const struct lu_env *env, bool wakeup = false; l_wait_event(mthread->t_ctl_waitq, - bk->lb_async_windows == 0 || lad->lad_prefetched < bk->lb_async_windows || !thread_is_running(mthread) || thread_is_stopped(athread), @@ -4174,7 +4218,7 @@ static int lfsck_namespace_exec_dir(const struct lu_env *env, if (unlikely(lfsck_is_dead_obj(lfsck->li_obj_dir))) return 0; - lnr = lfsck_namespace_assistant_req_init(com->lc_lfsck, ent, type); + lnr = lfsck_namespace_assistant_req_init(com->lc_lfsck, lso, ent, type); if (IS_ERR(lnr)) { struct lfsck_namespace *ns = com->lc_file_ram; @@ -4252,7 +4296,7 @@ static int lfsck_namespace_post(const struct lu_env *env, com->lc_new_checked = 0; } - rc = lfsck_namespace_store(env, com, false); + rc = lfsck_namespace_store(env, com); up_write(&com->lc_sem); CDEBUG(D_LFSCK, "%s: namespace LFSCK post done: rc = %d\n", @@ -4261,14 +4305,13 @@ static int lfsck_namespace_post(const struct lu_env *env, RETURN(rc); } -static int +static void lfsck_namespace_dump(const struct lu_env *env, struct lfsck_component *com, struct seq_file *m) { struct lfsck_instance *lfsck = com->lc_lfsck; struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; struct lfsck_namespace *ns = com->lc_file_ram; - int rc; down_read(&com->lc_sem); seq_printf(m, "name: lfsck_namespace\n" @@ -4277,45 +4320,25 @@ lfsck_namespace_dump(const struct lu_env *env, struct lfsck_component *com, "status: %s\n", ns->ln_magic, bk->lb_version, - lfsck_status2names(ns->ln_status)); + lfsck_status2name(ns->ln_status)); - rc = lfsck_bits_dump(m, ns->ln_flags, lfsck_flags_names, "flags"); - if (rc < 0) - goto out; + lfsck_bits_dump(m, ns->ln_flags, lfsck_flags_names, "flags"); - rc = lfsck_bits_dump(m, bk->lb_param, lfsck_param_names, "param"); - if (rc < 0) - goto out; + lfsck_bits_dump(m, bk->lb_param, lfsck_param_names, "param"); - rc = lfsck_time_dump(m, ns->ln_time_last_complete, - "time_since_last_completed"); - if (rc < 0) - goto out; + lfsck_time_dump(m, ns->ln_time_last_complete, "last_completed"); - rc = lfsck_time_dump(m, ns->ln_time_latest_start, - "time_since_latest_start"); - if (rc < 0) - goto out; + lfsck_time_dump(m, ns->ln_time_latest_start, "latest_start"); - rc = lfsck_time_dump(m, ns->ln_time_last_checkpoint, - "time_since_last_checkpoint"); - if (rc < 0) - goto out; + lfsck_time_dump(m, ns->ln_time_last_checkpoint, "last_checkpoint"); - rc = lfsck_pos_dump(m, &ns->ln_pos_latest_start, - "latest_start_position"); - if (rc < 0) - goto out; + lfsck_pos_dump(m, &ns->ln_pos_latest_start, "latest_start_position"); - rc = lfsck_pos_dump(m, &ns->ln_pos_last_checkpoint, - "last_checkpoint_position"); - if (rc < 0) - goto out; + lfsck_pos_dump(m, &ns->ln_pos_last_checkpoint, + "last_checkpoint_position"); - rc = lfsck_pos_dump(m, &ns->ln_pos_first_inconsistent, - "first_failure_position"); - if (rc < 0) - goto out; + lfsck_pos_dump(m, &ns->ln_pos_first_inconsistent, + "first_failure_position"); if (ns->ln_status == LS_SCANNING_PHASE1) { struct lfsck_position pos; @@ -4331,18 +4354,19 @@ lfsck_namespace_dump(const struct lu_env *env, struct lfsck_component *com, if (duration != 0) do_div(new_checked, duration); + if (rtime != 0) do_div(speed, rtime); - lfsck_namespace_dump_statistics(m, ns, checked, - ns->ln_objs_checked_phase2, - rtime, ns->ln_run_time_phase2); - seq_printf(m, "average_speed_phase1: "LPU64" items/sec\n" - "average_speed_phase2: N/A\n" - "real_time_speed_phase1: "LPU64" items/sec\n" - "real_time_speed_phase2: N/A\n", - speed, - new_checked); + lfsck_namespace_dump_statistics(m, ns, checked, 0, rtime, 0); + seq_printf(m, "average_speed_phase1: %llu items/sec\n" + "average_speed_phase2: N/A\n" + "average_speed_total: %llu items/sec\n" + "real_time_speed_phase1: %llu items/sec\n" + "real_time_speed_phase2: N/A\n", + speed, + speed, + new_checked); LASSERT(lfsck->li_di_oit != NULL); @@ -4374,59 +4398,83 @@ lfsck_namespace_dump(const struct lu_env *env, struct lfsck_component *com, lfsck_pos_dump(m, &pos, "current_position"); } else if (ns->ln_status == LS_SCANNING_PHASE2) { cfs_duration_t duration = cfs_time_current() - - lfsck->li_time_last_checkpoint; + com->lc_time_last_checkpoint; __u64 checked = ns->ln_objs_checked_phase2 + com->lc_new_checked; __u64 speed1 = ns->ln_items_checked; __u64 speed2 = checked; + __u64 speed0 = speed1 + speed2; __u64 new_checked = com->lc_new_checked * msecs_to_jiffies(MSEC_PER_SEC); __u32 rtime = ns->ln_run_time_phase2 + cfs_duration_sec(duration + HALF_SEC); + __u32 time0 = ns->ln_run_time_phase1 + rtime; if (duration != 0) do_div(new_checked, duration); + if (ns->ln_run_time_phase1 != 0) do_div(speed1, ns->ln_run_time_phase1); + else if (ns->ln_items_checked != 0) + time0++; + if (rtime != 0) do_div(speed2, rtime); + else if (checked != 0) + time0++; + + if (time0 != 0) + do_div(speed0, time0); + lfsck_namespace_dump_statistics(m, ns, ns->ln_items_checked, checked, ns->ln_run_time_phase1, rtime); - - seq_printf(m, "average_speed_phase1: "LPU64" items/sec\n" - "average_speed_phase2: "LPU64" objs/sec\n" - "real_time_speed_phase1: N/A\n" - "real_time_speed_phase2: "LPU64" objs/sec\n" - "current_position: "DFID"\n", - speed1, - speed2, - new_checked, - PFID(&ns->ln_fid_latest_scanned_phase2)); + seq_printf(m, "average_speed_phase1: %llu items/sec\n" + "average_speed_phase2: %llu objs/sec\n" + "average_speed_total: %llu items/sec\n" + "real_time_speed_phase1: N/A\n" + "real_time_speed_phase2: %llu objs/sec\n" + "current_position: "DFID"\n", + speed1, + speed2, + speed0, + new_checked, + PFID(&ns->ln_fid_latest_scanned_phase2)); } else { __u64 speed1 = ns->ln_items_checked; __u64 speed2 = ns->ln_objs_checked_phase2; + __u64 speed0 = speed1 + speed2; + __u32 time0 = ns->ln_run_time_phase1 + ns->ln_run_time_phase2; if (ns->ln_run_time_phase1 != 0) do_div(speed1, ns->ln_run_time_phase1); + else if (ns->ln_items_checked != 0) + time0++; + if (ns->ln_run_time_phase2 != 0) do_div(speed2, ns->ln_run_time_phase2); + else if (ns->ln_objs_checked_phase2 != 0) + time0++; + + if (time0 != 0) + do_div(speed0, time0); + lfsck_namespace_dump_statistics(m, ns, ns->ln_items_checked, ns->ln_objs_checked_phase2, ns->ln_run_time_phase1, ns->ln_run_time_phase2); - - seq_printf(m, "average_speed_phase1: "LPU64" items/sec\n" - "average_speed_phase2: "LPU64" objs/sec\n" - "real_time_speed_phase1: N/A\n" - "real_time_speed_phase2: N/A\n" - "current_position: N/A\n", - speed1, - speed2); + seq_printf(m, "average_speed_phase1: %llu items/sec\n" + "average_speed_phase2: %llu objs/sec\n" + "average_speed_total: %llu items/sec\n" + "real_time_speed_phase1: N/A\n" + "real_time_speed_phase2: N/A\n" + "current_position: N/A\n", + speed1, + speed2, + speed0); } -out: + up_read(&com->lc_sem); - return 0; } static int lfsck_namespace_double_scan(const struct lu_env *env, @@ -4532,86 +4580,56 @@ static int lfsck_namespace_in_notify(const struct lu_env *env, struct lfsck_assistant_data *lad = com->lc_data; struct lfsck_tgt_descs *ltds = &lfsck->li_mdt_descs; struct lfsck_tgt_desc *ltd; - int rc; + int rc = 0; bool fail = false; ENTRY; 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", - lfsck_lfsck2name(lfsck), lr->lr_index, - PFID(&lr->lr_fid), lr->lr_type); - - orphan = lfsck_object_find(env, lfsck, &lr->lr_fid); - if (IS_ERR(orphan)) - GOTO(out_create, rc = PTR_ERR(orphan)); - - 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, lmv); - - GOTO(out_create, rc = (rc == 1) ? 0 : rc); - -out_create: - CDEBUG(D_LFSCK, "%s: namespace LFSCK handled notify from " - "MDT %x to create orphan"DFID" with type %o: rc = %d\n", - lfsck_lfsck2name(lfsck), lr->lr_index, - PFID(&lr->lr_fid), lr->lr_type, rc); - - if (orphan != NULL && !IS_ERR(orphan)) - lfsck_object_put(env, orphan); - - return rc; - } case LE_SKIP_NLINK_DECLARE: { - struct dt_object *obj = com->lc_obj; + struct dt_object *obj; struct lu_fid *key = &lfsck_env_info(env)->lti_fid3; + int idx; __u8 flags = 0; LASSERT(th != NULL); + idx = lfsck_sub_trace_file_fid2idx(&lr->lr_fid); + obj = com->lc_sub_trace_objs[idx].lsto_obj; + fid_cpu_to_be(key, &lr->lr_fid); + mutex_lock(&com->lc_sub_trace_objs[idx].lsto_mutex); rc = dt_declare_delete(env, obj, (const struct dt_key *)key, th); if (rc == 0) rc = dt_declare_insert(env, obj, (const struct dt_rec *)&flags, (const struct dt_key *)key, th); + mutex_unlock(&com->lc_sub_trace_objs[idx].lsto_mutex); RETURN(rc); } case LE_SKIP_NLINK: { - struct dt_object *obj = com->lc_obj; + struct dt_object *obj; struct lu_fid *key = &lfsck_env_info(env)->lti_fid3; + int idx; __u8 flags = 0; bool exist = false; ENTRY; LASSERT(th != NULL); + idx = lfsck_sub_trace_file_fid2idx(&lr->lr_fid); + obj = com->lc_sub_trace_objs[idx].lsto_obj; fid_cpu_to_be(key, &lr->lr_fid); + mutex_lock(&com->lc_sub_trace_objs[idx].lsto_mutex); rc = dt_lookup(env, obj, (struct dt_rec *)&flags, - (const struct dt_key *)key, BYPASS_CAPA); + (const struct dt_key *)key); if (rc == 0) { - if (flags & LNTF_SKIP_NLINK) + if (flags & LNTF_SKIP_NLINK) { + mutex_unlock( + &com->lc_sub_trace_objs[idx].lsto_mutex); + RETURN(0); + } exist = true; } else if (rc != -ENOENT) { @@ -4621,17 +4639,18 @@ out_create: flags |= LNTF_SKIP_NLINK; if (exist) { rc = dt_delete(env, obj, (const struct dt_key *)key, - th, BYPASS_CAPA); + th); if (rc != 0) GOTO(log, rc); } rc = dt_insert(env, obj, (const struct dt_rec *)&flags, - (const struct dt_key *)key, th, BYPASS_CAPA, 1); + (const struct dt_key *)key, th, 1); GOTO(log, rc); log: + mutex_unlock(&com->lc_sub_trace_objs[idx].lsto_mutex); CDEBUG(D_LFSCK, "%s: RPC service thread mark the "DFID " to be skipped for namespace double scan: rc = %d\n", lfsck_lfsck2name(com->lc_lfsck), PFID(&lr->lr_fid), rc); @@ -4648,12 +4667,14 @@ log: case LE_SET_LMV_MASTER: { struct dt_object *obj; - obj = lfsck_object_find_by_dev(env, lfsck->li_bottom, - &lr->lr_fid); + obj = lfsck_object_find_bottom(env, lfsck, &lr->lr_fid); if (IS_ERR(obj)) RETURN(PTR_ERR(obj)); - rc = lfsck_namespace_notify_lmv_master_local(env, com, obj); + if (likely(dt_object_exists(obj))) + rc = lfsck_namespace_notify_lmv_master_local(env, com, + obj); + lfsck_object_put(env, obj); RETURN(rc > 0 ? 0 : rc); @@ -4680,7 +4701,7 @@ log: lr->lr_index, lr->lr_status, lr->lr_flags2); spin_lock(<ds->ltd_lock); - ltd = LTD_TGT(ltds, lr->lr_index); + ltd = lfsck_ltd2tgt(ltds, lr->lr_index); if (ltd == NULL) { spin_unlock(<ds->ltd_lock); @@ -4745,12 +4766,81 @@ log: RETURN(0); } +static void lfsck_namespace_repaired(struct lfsck_namespace *ns, __u64 *count) +{ + *count += ns->ln_objs_nlink_repaired; + *count += ns->ln_dirent_repaired; + *count += ns->ln_linkea_repaired; + *count += ns->ln_mul_linked_repaired; + *count += ns->ln_unmatched_pairs_repaired; + *count += ns->ln_dangling_repaired; + *count += ns->ln_mul_ref_repaired; + *count += ns->ln_bad_type_repaired; + *count += ns->ln_lost_dirent_repaired; + *count += ns->ln_striped_dirs_disabled; + *count += ns->ln_striped_dirs_repaired; + *count += ns->ln_striped_shards_repaired; + *count += ns->ln_name_hash_repaired; + *count += ns->ln_local_lpf_moved; +} + +static int lfsck_namespace_query_all(const struct lu_env *env, + struct lfsck_component *com, + __u32 *mdts_count, __u64 *repaired) +{ + struct lfsck_namespace *ns = com->lc_file_ram; + struct lfsck_tgt_descs *ltds = &com->lc_lfsck->li_mdt_descs; + struct lfsck_tgt_desc *ltd; + int idx; + int rc; + ENTRY; + + rc = lfsck_query_all(env, com); + if (rc != 0) + RETURN(rc); + + down_read(<ds->ltd_rw_sem); + cfs_foreach_bit(ltds->ltd_tgts_bitmap, idx) { + ltd = lfsck_ltd2tgt(ltds, idx); + LASSERT(ltd != NULL); + + mdts_count[ltd->ltd_namespace_status]++; + *repaired += ltd->ltd_namespace_repaired; + } + up_read(<ds->ltd_rw_sem); + + down_read(&com->lc_sem); + mdts_count[ns->ln_status]++; + lfsck_namespace_repaired(ns, repaired); + up_read(&com->lc_sem); + + RETURN(0); +} + static int lfsck_namespace_query(const struct lu_env *env, - struct lfsck_component *com) + struct lfsck_component *com, + struct lfsck_request *req, + struct lfsck_reply *rep, + struct lfsck_query *que, int idx) { struct lfsck_namespace *ns = com->lc_file_ram; + int rc = 0; + + if (que != NULL) { + LASSERT(com->lc_lfsck->li_master); + + rc = lfsck_namespace_query_all(env, com, + que->lu_mdts_count[idx], + &que->lu_repaired[idx]); + } else { + down_read(&com->lc_sem); + rep->lr_status = ns->ln_status; + if (req->lr_flags & LEF_QUERY_ALL) + lfsck_namespace_repaired(ns, &rep->lr_repaired); + up_read(&com->lc_sem); + } - return ns->ln_status; + return rc; } static struct lfsck_operations lfsck_namespace_ops = { @@ -4786,6 +4876,8 @@ static struct lfsck_operations lfsck_namespace_ops = { * * \param[in] env pointer to the thread context * \param[in] com pointer to the lfsck component + * \param[in] parent pointer to the dir object that contains the dangling + * name entry * \param[in] child pointer to the object corresponding to the dangling * name entry * \param[in] lnr pointer to the namespace request that contains the @@ -4797,6 +4889,7 @@ static struct lfsck_operations lfsck_namespace_ops = { */ int lfsck_namespace_repair_dangling(const struct lu_env *env, struct lfsck_component *com, + struct dt_object *parent, struct dt_object *child, struct lfsck_namespace_req *lnr) { @@ -4806,15 +4899,16 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, 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 }; + const struct lu_fid *pfid = lfsck_dto2fid(parent); + const struct lu_fid *cfid = lfsck_dto2fid(child); + struct linkea_data ldata = { NULL }; + struct lfsck_lock_handle *llh = &info->lti_llh; 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); + struct dt_device *dev = lfsck->li_next; struct thandle *th = NULL; int rc = 0; __u16 type = lnr->lnr_type; @@ -4830,16 +4924,30 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, if (!create || bk->lb_param & LPF_DRYRUN) GOTO(log, rc = 0); + /* We may need to create the sub-objects of the @child via LOD, + * so make the modification based on lfsck->li_next. */ + + parent = lfsck_object_locate(dev, parent); + if (IS_ERR(parent)) + GOTO(log, rc = PTR_ERR(parent)); + + if (unlikely(!dt_try_as_dir(env, parent))) + GOTO(log, rc = -ENOTDIR); + + child = lfsck_object_locate(dev, child); + if (IS_ERR(child)) + GOTO(log, rc = PTR_ERR(child)); + rc = linkea_data_new(&ldata, &info->lti_linkea_buf2); if (rc != 0) GOTO(log, rc); - rc = linkea_add_buf(&ldata, cname, lfsck_dto2fid(parent)); + rc = linkea_add_buf(&ldata, cname, pfid); if (rc != 0) GOTO(log, rc); - rc = lfsck_ibits_lock(env, lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); + rc = lfsck_lock(env, lfsck, parent, lnr->lnr_name, llh, + MDS_INODELOCK_UPDATE, LCK_PR); if (rc != 0) GOTO(log, rc); @@ -4847,10 +4955,6 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, if (rc != 0) GOTO(log, rc); - th = dt_trans_create(env, dev); - if (IS_ERR(th)) - GOTO(log, rc = PTR_ERR(th)); - /* Set the ctime as zero, then others can know it is created for * repairing dangling name entry by LFSCK. And if the LFSCK made * wrong decision and the real MDT-object has been found later, @@ -4861,7 +4965,7 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, LA_ATIME | LA_MTIME | LA_CTIME; child->do_ops->do_ah_init(env, hint, parent, child, - la->la_mode & S_IFMT); + la->la_mode & S_IFMT); memset(dof, 0, sizeof(*dof)); dof->dof_type = dt_mode_to_dft(type); @@ -4869,6 +4973,10 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, * the MDT-object without stripes (dof->dof_reg.striped = 0). related * OST-objects will be created when write open. */ + th = dt_trans_create(env, dev); + if (IS_ERR(th)) + GOTO(log, rc = PTR_ERR(th)); + /* 1a. create child. */ rc = dt_declare_create(env, child, la, hint, dof, th); if (rc != 0) @@ -4878,35 +4986,35 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, if (unlikely(!dt_try_as_dir(env, child))) GOTO(stop, rc = -ENOTDIR); - /* 2a. insert dot into child dir */ + /* 2a. increase child nlink */ + rc = dt_declare_ref_add(env, child, th); + if (rc != 0) + GOTO(stop, rc); + + /* 3a. insert dot into child dir */ rec->rec_type = S_IFDIR; - rec->rec_fid = lfsck_dto2fid(child); + rec->rec_fid = cfid; rc = dt_declare_insert(env, child, (const struct dt_rec *)rec, (const struct dt_key *)dot, th); if (rc != 0) GOTO(stop, rc); - /* 3a. insert dotdot into child dir */ - rec->rec_fid = lfsck_dto2fid(parent); + /* 4a. insert dotdot into child dir */ + rec->rec_fid = pfid; rc = dt_declare_insert(env, child, (const struct dt_rec *)rec, (const struct dt_key *)dotdot, th); if (rc != 0) GOTO(stop, rc); - /* 4a. increase child nlink */ - 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)); + type, cfid); if (unlikely(idx < 0)) GOTO(stop, rc = idx); @@ -4931,7 +5039,7 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, if (rc != 0) GOTO(stop, rc); - rc = dt_trans_start(env, dev, th); + rc = dt_trans_start_local(env, dev, th); if (rc != 0) GOTO(stop, rc = (rc == -EEXIST ? 1 : rc)); @@ -4942,34 +5050,30 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, GOTO(unlock, rc = (rc == -EEXIST ? 1 : rc)); if (S_ISDIR(type)) { - if (unlikely(!dt_try_as_dir(env, child))) - GOTO(unlock, rc = -ENOTDIR); - - /* 2b. insert dot into child dir */ - rec->rec_type = S_IFDIR; - rec->rec_fid = lfsck_dto2fid(child); - rc = dt_insert(env, child, (const struct dt_rec *)rec, - (const struct dt_key *)dot, th, BYPASS_CAPA, 1); + /* 2b. increase child nlink */ + rc = dt_ref_add(env, child, th); if (rc != 0) GOTO(unlock, rc); - /* 3b. insert dotdot into child dir */ - rec->rec_fid = lfsck_dto2fid(parent); + /* 3b. insert dot into child dir */ + rec->rec_type = S_IFDIR; + rec->rec_fid = cfid; rc = dt_insert(env, child, (const struct dt_rec *)rec, - (const struct dt_key *)dotdot, th, - BYPASS_CAPA, 1); + (const struct dt_key *)dot, th, 1); if (rc != 0) GOTO(unlock, rc); - /* 4b. increase child nlink */ - rc = dt_ref_add(env, child, th); + /* 4b. insert dotdot into child dir */ + rec->rec_fid = pfid; + rc = dt_insert(env, child, (const struct dt_rec *)rec, + (const struct dt_key *)dotdot, th, 1); 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); + 0, th); if (rc != 0) GOTO(unlock, rc); } @@ -4977,7 +5081,7 @@ int lfsck_namespace_repair_dangling(const struct lu_env *env, /* 6b. insert linkEA for child. */ rc = dt_xattr_set(env, child, &linkea_buf, - XATTR_NAME_LINK, 0, th, BYPASS_CAPA); + XATTR_NAME_LINK, 0, th); GOTO(unlock, rc); @@ -4988,13 +5092,12 @@ stop: dt_trans_stop(env, dev, th); log: - lfsck_ibits_unlock(&lh, LCK_EX); + lfsck_unlock(llh); CDEBUG(D_LFSCK, "%s: namespace LFSCK assistant found dangling " "reference for: parent "DFID", child "DFID", type %u, " "name %s. %s: rc = %d\n", lfsck_lfsck2name(lfsck), - PFID(lfsck_dto2fid(parent)), PFID(lfsck_dto2fid(child)), - type, cname->ln_name, - create ? "Create the lost OST-object as required" : + PFID(pfid), PFID(cfid), type, cname->ln_name, + create ? "Create the lost MDT-object as required" : "Keep the MDT-object there by default", rc); if (rc <= 0) { @@ -5015,14 +5118,16 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, struct lfsck_instance *lfsck = com->lc_lfsck; struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; struct lfsck_namespace *ns = com->lc_file_ram; - struct linkea_data ldata = { 0 }; + struct lfsck_assistant_data *lad = com->lc_data; + struct linkea_data ldata = { NULL }; const struct lu_name *cname; struct thandle *handle = NULL; struct lfsck_namespace_req *lnr = container_of0(lar, struct lfsck_namespace_req, lnr_lar); - struct dt_object *dir = lnr->lnr_obj; + struct dt_object *dir = NULL; struct dt_object *obj = NULL; - const struct lu_fid *pfid = lfsck_dto2fid(dir); + struct lfsck_assistant_object *lso = lar->lar_parent; + const struct lu_fid *pfid = &lso->lso_fid; struct dt_device *dev = NULL; struct lustre_handle lh = { 0 }; bool repaired = false; @@ -5031,12 +5136,17 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, bool newdata; bool log = false; bool bad_hash = false; + bool bad_linkea = false; int idx = 0; int count = 0; - int rc; + int rc = 0; enum lfsck_namespace_inconsistency_type type = LNIT_NONE; ENTRY; + if (lso->lso_dead) + RETURN(0); + + la->la_nlink = 0; if (lnr->lnr_attr & LUDA_UPGRADE) { ns->ln_flags |= LF_UPGRADE; ns->ln_dirent_repaired++; @@ -5047,10 +5157,28 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, repaired = true; } - if (unlikely(fid_is_zero(&lnr->lnr_fid))) { + if (unlikely(fid_is_zero(&lnr->lnr_fid))) { + if (strcmp(lnr->lnr_name, dotdot) != 0) + LBUG(); + else + rc = lfsck_namespace_trace_update(env, com, pfid, + LNTF_CHECK_PARENT, true); + + GOTO(out, rc); + } + + if (unlikely(!fid_is_sane(&lnr->lnr_fid))) { + CDEBUG(D_LFSCK, "%s: dir scan find invalid FID "DFID + " for the name entry %.*s under "DFID"\n", + lfsck_lfsck2name(lfsck), PFID(&lnr->lnr_fid), + lnr->lnr_namelen, lnr->lnr_name, PFID(pfid)); + if (strcmp(lnr->lnr_name, dotdot) != 0) - LBUG(); + /* invalid FID means bad name entry, remove it. */ + type = LNIT_BAD_DIRENT; else + /* If the parent FID is invalid, we cannot remove + * the ".." entry directly. */ rc = lfsck_namespace_trace_update(env, com, pfid, LNTF_CHECK_PARENT, true); @@ -5063,8 +5191,7 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, RETURN(rc); } - if (lnr->lnr_name[0] == '.' && - (lnr->lnr_namelen == 1 || fid_seq_is_dot(fid_seq(&lnr->lnr_fid)))) + if (fid_seq_is_dot(fid_seq(&lnr->lnr_fid))) GOTO(out, rc = 0); if (lnr->lnr_lmv != NULL && lnr->lnr_lmv->ll_lmv_master) { @@ -5077,11 +5204,11 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, if (idx < 0) GOTO(out, rc = idx); - if (idx == lfsck_dev_idx(lfsck->li_bottom)) { + if (idx == lfsck_dev_idx(lfsck)) { if (unlikely(strcmp(lnr->lnr_name, dotdot) == 0)) GOTO(out, rc = 0); - dev = lfsck->li_next; + dev = lfsck->li_bottom; } else { struct lfsck_tgt_desc *ltd; @@ -5095,7 +5222,7 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, GOTO(out, rc); } - ltd = LTD_TGT(&lfsck->li_mdt_descs, idx); + ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx); if (unlikely(ltd == NULL)) { CDEBUG(D_LFSCK, "%s: cannot talk with MDT %x which " "did not join the namespace LFSCK\n", @@ -5116,6 +5243,15 @@ static int lfsck_namespace_assistant_handler_p1(const struct lu_env *env, if (dt_object_exists(obj) == 0) { dangling: + if (dir == NULL) { + dir = lfsck_assistant_object_load(env, lfsck, lso); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + + GOTO(trace, rc == -ENOENT ? 0 : rc); + } + } + 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, @@ -5126,7 +5262,7 @@ dangling: } type = LNIT_DANGLING; - rc = lfsck_namespace_repair_dangling(env, com, + rc = lfsck_namespace_repair_dangling(env, com, dir, obj, lnr); if (rc == 0) repaired = true; @@ -5135,7 +5271,7 @@ dangling: GOTO(out, rc); } - if (!(bk->lb_param & LPF_DRYRUN) && repaired) { + if (!(bk->lb_param & LPF_DRYRUN) && lad->lad_advance_lock) { again: rc = lfsck_ibits_lock(env, lfsck, obj, &lh, @@ -5152,7 +5288,7 @@ again: if (rc != 0) GOTO(stop, rc); - rc = dt_trans_start(env, dev, handle); + rc = dt_trans_start_local(env, dev, handle); if (rc != 0) GOTO(stop, rc); @@ -5160,10 +5296,6 @@ again: dtlocked = true; } - rc = lfsck_namespace_check_exist(env, dir, obj, lnr->lnr_name); - if (rc != 0) - GOTO(stop, rc); - rc = lfsck_links_read(env, obj, &ldata); if (unlikely(rc == -ENOENT)) { if (handle != NULL) { @@ -5190,16 +5322,15 @@ again: type = LNIT_BAD_TYPE; } - goto record; + goto stop; } - 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)) { + ns->ln_flags |= LF_INCONSISTENT; type = LNIT_BAD_DIRENT; GOTO(stop, rc = 0); @@ -5210,6 +5341,7 @@ again: * not recognize the name entry, then it is quite possible * that the name entry is corrupted. */ if ((lfsck_object_type(obj) & S_IFMT) != lnr->lnr_type) { + ns->ln_flags |= LF_INCONSISTENT; type = LNIT_BAD_DIRENT; GOTO(stop, rc = 0); @@ -5232,7 +5364,6 @@ again: type = LNIT_BAD_TYPE; count = 1; - ns->ln_flags |= LF_INCONSISTENT; /* The magic crashed, we are not sure whether there are more * corrupt data in the linkea, so remove all linkea entries. */ remove = true; @@ -5243,27 +5374,53 @@ again: type = LNIT_BAD_TYPE; count = 1; - ns->ln_flags |= LF_UPGRADE; remove = false; newdata = true; nodata: if (bk->lb_param & LPF_DRYRUN) { + if (rc == -ENODATA) + ns->ln_flags |= LF_UPGRADE; + else + ns->ln_flags |= LF_INCONSISTENT; ns->ln_linkea_repaired++; repaired = true; log = true; - goto record; + goto stop; } - if (!lustre_handle_is_used(&lh)) + if (!lustre_handle_is_used(&lh)) { + remove = false; + newdata = false; + type = LNIT_NONE; + goto again; + } + + if (dir == NULL) { + dir = lfsck_assistant_object_load(env, lfsck, lso); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + + GOTO(stop, rc == -ENOENT ? 0 : rc); + } + } + + rc = lfsck_namespace_check_exist(env, dir, obj, lnr->lnr_name); + if (rc != 0) + GOTO(stop, rc); + + bad_linkea = true; + if (!remove && newdata) + ns->ln_flags |= LF_UPGRADE; + else if (remove || !(ns->ln_flags & LF_UPGRADE)) + ns->ln_flags |= LF_INCONSISTENT; if (remove) { LASSERT(newdata); - rc = dt_xattr_del(env, obj, XATTR_NAME_LINK, handle, - BYPASS_CAPA); - if (rc != 0) + rc = dt_xattr_del(env, obj, XATTR_NAME_LINK, handle); + if (rc != 0 && rc != -ENOENT && rc != -ENODATA) GOTO(stop, rc); } @@ -5320,35 +5477,6 @@ nodata: GOTO(stop, rc); } -record: - LASSERT(count > 0); - - rc = dt_attr_get(env, obj, la, BYPASS_CAPA); - if (rc != 0) - GOTO(stop, rc); - - if ((count == 1 && la->la_nlink == 1) || - S_ISDIR(lfsck_object_type(obj))) - /* Usually, it is for single linked object or dir, do nothing.*/ - GOTO(stop, rc); - - /* Following modification will be in another transaction. */ - if (handle != NULL) { - dt_write_unlock(env, obj); - dtlocked = false; - - dt_trans_stop(env, dev, handle); - handle = NULL; - - lfsck_ibits_unlock(&lh, LCK_EX); - } - - ns->ln_mul_linked_checked++; - rc = lfsck_namespace_trace_update(env, com, &lnr->lnr_fid, - LNTF_CHECK_LINKEA, true); - - GOTO(out, rc); - stop: if (dtlocked) dt_write_unlock(env, obj); @@ -5366,13 +5494,31 @@ out: ns->ln_flags |= LF_INCONSISTENT; log = false; + if (dir == NULL) { + dir = lfsck_assistant_object_load(env, lfsck, lso); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + + GOTO(trace, rc == -ENOENT ? 0 : rc); + } + } + rc = lfsck_namespace_repair_bad_name_hash(env, com, dir, lnr->lnr_lmv, lnr->lnr_name); - if (rc >= 0) + if (rc == 0) bad_hash = true; } if (rc >= 0) { + if (type != LNIT_NONE && dir == NULL) { + dir = lfsck_assistant_object_load(env, lfsck, lso); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + + GOTO(trace, rc == -ENOENT ? 0 : rc); + } + } + switch (type) { case LNIT_BAD_TYPE: log = false; @@ -5397,36 +5543,38 @@ out: default: break; } + + if (obj != NULL && count == 1 && + S_ISREG(lfsck_object_type(obj))) + dt_attr_get(env, obj, la); } +trace: down_write(&com->lc_sem); if (rc < 0) { CDEBUG(D_LFSCK, "%s: namespace LFSCK assistant fail to handle " "the entry: "DFID", parent "DFID", name %.*s: rc = %d\n", - lfsck_lfsck2name(lfsck), PFID(&lnr->lnr_fid), - PFID(lfsck_dto2fid(lnr->lnr_obj)), + lfsck_lfsck2name(lfsck), PFID(&lnr->lnr_fid), PFID(pfid), lnr->lnr_namelen, lnr->lnr_name, rc); lfsck_namespace_record_failure(env, lfsck, ns); if ((rc == -ENOTCONN || rc == -ESHUTDOWN || rc == -EREMCHG || rc == -ETIMEDOUT || rc == -EHOSTDOWN || rc == -EHOSTUNREACH || rc == -EINPROGRESS) && - dev != NULL && dev != lfsck->li_next) + dev != NULL && dev != lfsck->li_bottom) lfsck_lad_set_bitmap(env, com, idx); if (!(bk->lb_param & LPF_FAILOUT)) rc = 0; } else { - if (log) - CDEBUG(D_LFSCK, "%s: namespace LFSCK assistant " - "repaired the entry: "DFID", parent "DFID - ", name %.*s\n", lfsck_lfsck2name(lfsck), - PFID(&lnr->lnr_fid), - PFID(lfsck_dto2fid(lnr->lnr_obj)), - lnr->lnr_namelen, lnr->lnr_name); - if (repaired) { ns->ln_items_repaired++; + if (log) + CDEBUG(D_LFSCK, "%s: namespace LFSCK assistant " + "repaired the entry: "DFID", parent "DFID + ", name %.*s\n", lfsck_lfsck2name(lfsck), + PFID(&lnr->lnr_fid), PFID(pfid), + lnr->lnr_namelen, lnr->lnr_name); switch (type) { case LNIT_DANGLING: @@ -5453,8 +5601,17 @@ out: ns->ln_name_hash_repaired++; /* Not count repeatedly. */ - if (!repaired) + if (!repaired) { ns->ln_items_repaired++; + if (log) + CDEBUG(D_LFSCK, "%s: namespace LFSCK " + "assistant repaired the entry: " + DFID", parent "DFID + ", name %.*s\n", + lfsck_lfsck2name(lfsck), + PFID(&lnr->lnr_fid), PFID(pfid), + lnr->lnr_namelen, lnr->lnr_name); + } if (bk->lb_param & LPF_DRYRUN && lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent)) @@ -5463,14 +5620,22 @@ out: false); } - rc = 0; } + + if (count > 1 || la->la_nlink > 1) + ns->ln_mul_linked_checked++; + up_write(&com->lc_sem); if (obj != NULL && !IS_ERR(obj)) lfsck_object_put(env, obj); + if (dir != NULL && !IS_ERR(dir)) + lfsck_object_put(env, dir); + + lad->lad_advance_lock = bad_linkea; + return rc; } @@ -5510,10 +5675,11 @@ static int lfsck_namespace_scan_local_lpf_one(const struct lu_env *env, struct lu_fid *key = &info->lti_fid; struct lu_attr *la = &info->lti_la; struct lfsck_instance *lfsck = com->lc_lfsck; - struct dt_object *obj = com->lc_obj; + struct dt_object *obj; struct dt_device *dev = lfsck->li_bottom; struct dt_object *child = NULL; struct thandle *th = NULL; + int idx; int rc = 0; __u8 flags = 0; bool exist = false; @@ -5526,9 +5692,11 @@ static int lfsck_namespace_scan_local_lpf_one(const struct lu_env *env, LASSERT(dt_object_exists(child)); LASSERT(!dt_object_remote(child)); + idx = lfsck_sub_trace_file_fid2idx(&ent->lde_fid); + obj = com->lc_sub_trace_objs[idx].lsto_obj; fid_cpu_to_be(key, &ent->lde_fid); rc = dt_lookup(env, obj, (struct dt_rec *)&flags, - (const struct dt_key *)key, BYPASS_CAPA); + (const struct dt_key *)key); if (rc == 0) { exist = true; flags |= LNTF_CHECK_ORPHAN; @@ -5582,8 +5750,7 @@ static int lfsck_namespace_scan_local_lpf_one(const struct lu_env *env, GOTO(stop, rc); /* b1. remove name entry from backend /lost+found */ - rc = dt_delete(env, parent, (const struct dt_key *)ent->lde_name, th, - BYPASS_CAPA); + rc = dt_delete(env, parent, (const struct dt_key *)ent->lde_name, th); if (rc != 0) GOTO(stop, rc); @@ -5598,20 +5765,19 @@ static int lfsck_namespace_scan_local_lpf_one(const struct lu_env *env, if (exist) { /* a3. remove child's FID from the LFSCK trace file. */ - rc = dt_delete(env, obj, (const struct dt_key *)key, th, - BYPASS_CAPA); + rc = dt_delete(env, obj, (const struct dt_key *)key, th); if (rc != 0) GOTO(stop, rc); } else { /* b4. set child's ctime as 1 */ - rc = dt_attr_set(env, child, la, th, BYPASS_CAPA); + rc = dt_attr_set(env, child, la, th); if (rc != 0) GOTO(stop, rc); } /* b5. insert child's FID into the LFSCK trace file. */ rc = dt_insert(env, obj, (const struct dt_rec *)&flags, - (const struct dt_key *)key, th, BYPASS_CAPA, 1); + (const struct dt_key *)key, th, 1); GOTO(stop, rc = (rc == 0 ? 1 : rc)); @@ -5619,7 +5785,7 @@ stop: dt_trans_stop(env, dev, th); out: - lu_object_put(env, &child->do_lu); + lfsck_object_put(env, child); return rc; } @@ -5649,19 +5815,19 @@ static void lfsck_namespace_scan_local_lpf(const struct lu_env *env, struct lfsck_instance *lfsck = com->lc_lfsck; struct ptlrpc_thread *thread = &lfsck->li_thread; struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; - struct dt_device *dev = lfsck->li_bottom; struct lfsck_namespace *ns = com->lc_file_ram; struct dt_object *parent; const struct dt_it_ops *iops; struct dt_it *di; - struct seq_server_site *ss = - lu_site2seq(dev->dd_lu_dev.ld_site); + struct seq_server_site *ss = lfsck_dev_site(lfsck); __u64 cookie; + __u32 idx = lfsck_dev_idx(lfsck); int rc = 0; __u16 type; ENTRY; - parent = lfsck_object_find_by_dev(env, dev, &LU_BACKEND_LPF_FID); + parent = lfsck_object_find_by_dev(env, lfsck->li_bottom, + &LU_BACKEND_LPF_FID); if (IS_ERR(parent)) { CERROR("%s: fail to find backend /lost+found: rc = %ld\n", lfsck_lfsck2name(lfsck), PTR_ERR(parent)); @@ -5680,7 +5846,7 @@ static void lfsck_namespace_scan_local_lpf(const struct lu_env *env, com->lc_new_scanned = 0; iops = &parent->do_index_ops->dio_it; - di = iops->init(env, parent, LUDA_64BITHASH | LUDA_TYPE, BYPASS_CAPA); + di = iops->init(env, parent, LUDA_64BITHASH | LUDA_TYPE); if (IS_ERR(di)) GOTO(out, rc = PTR_ERR(di)); @@ -5691,19 +5857,9 @@ static void lfsck_namespace_scan_local_lpf(const struct lu_env *env, rc = 0; while (rc == 0) { - if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY3) && - cfs_fail_val > 0) { - struct l_wait_info lwi; - - lwi = LWI_TIMEOUT(cfs_time_seconds(cfs_fail_val), - NULL, NULL); - l_wait_event(thread->t_ctl_waitq, - !thread_is_running(thread), - &lwi); - - if (unlikely(!thread_is_running(thread))) - break; - } + if (CFS_FAIL_TIMEOUT(OBD_FAIL_LFSCK_DELAY3, cfs_fail_val) && + unlikely(!thread_is_running(thread))) + break; rc = iops->rec(env, di, (struct dt_rec *)ent, LUDA_64BITHASH | LUDA_TYPE); @@ -5731,7 +5887,7 @@ static void lfsck_namespace_scan_local_lpf(const struct lu_env *env, fid_seq(&ent->lde_fid), range); if (rc != 0) goto skip; - } else if (lfsck_dev_idx(dev) != 0) { + } else if (idx != 0) { /* If the returned FID is IGIF, then there are three * possible cases: * @@ -5756,8 +5912,7 @@ static void lfsck_namespace_scan_local_lpf(const struct lu_env *env, "in the backend /lost+found on the MDT %04x, " "to be safe, skip it.\n", lfsck_lfsck2name(lfsck), ent->lde_namelen, - ent->lde_name, PFID(&ent->lde_fid), - lfsck_dev_idx(dev)); + ent->lde_name, PFID(&ent->lde_fid), idx); goto skip; } @@ -5797,7 +5952,7 @@ out: CDEBUG(D_LFSCK, "%s: stop to scan backend /lost+found: rc = %d\n", lfsck_lfsck2name(lfsck), rc); - lu_object_put(env, &parent->do_lu); + lfsck_object_put(env, parent); } /** @@ -5834,6 +5989,7 @@ static int lfsck_namespace_rescan_striped_dir(const struct lu_env *env, (struct lu_dirent *)info->lti_key; struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; struct ptlrpc_thread *thread = &lfsck->li_thread; + struct lfsck_assistant_object *lso = NULL; struct lfsck_namespace_req *lnr; struct lfsck_assistant_req *lar; int rc; @@ -5868,7 +6024,20 @@ static int lfsck_namespace_rescan_striped_dir(const struct lu_env *env, if (name_is_dot_or_dotdot(ent->lde_name, ent->lde_namelen)) goto next; - lnr = lfsck_namespace_assistant_req_init(lfsck, ent, type); + if (lso == NULL) { + lso = lfsck_assistant_object_init(env, + lfsck_dto2fid(dir), NULL, + lfsck->li_pos_current.lp_oit_cookie, true); + if (IS_ERR(lso)) { + if (bk->lb_param & LPF_FAILOUT) + GOTO(out, rc = PTR_ERR(lso)); + + lso = NULL; + goto next; + } + } + + lnr = lfsck_namespace_assistant_req_init(lfsck, lso, ent, type); if (IS_ERR(lnr)) { if (bk->lb_param & LPF_FAILOUT) GOTO(out, rc = PTR_ERR(lnr)); @@ -5890,6 +6059,9 @@ next: } while (rc == 0); out: + if (lso != NULL && !IS_ERR(lso)) + lfsck_assistant_object_put(env, lso); + lfsck_close_dir(env, lfsck, rc); if (rc <= 0) RETURN(rc); @@ -5910,14 +6082,15 @@ out: RETURN(rc == 0 ? 1 : rc); } -static int lfsck_namespace_assistant_handler_p2(const struct lu_env *env, - struct lfsck_component *com) +static int +lfsck_namespace_double_scan_one_trace_file(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *obj, bool first) { struct lfsck_instance *lfsck = com->lc_lfsck; struct ptlrpc_thread *thread = &lfsck->li_thread; struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram; struct lfsck_namespace *ns = com->lc_file_ram; - struct dt_object *obj = com->lc_obj; const struct dt_it_ops *iops = &obj->do_index_ops->dio_it; struct dt_object *target; struct dt_it *di; @@ -5927,68 +6100,47 @@ static int lfsck_namespace_assistant_handler_p2(const struct lu_env *env, __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)); - - lfsck_namespace_scan_local_lpf(env, com); - - com->lc_new_checked = 0; - com->lc_new_scanned = 0; - com->lc_time_last_checkpoint = cfs_time_current(); - com->lc_time_next_checkpoint = com->lc_time_last_checkpoint + - cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL); - - di = iops->init(env, obj, 0, BYPASS_CAPA); + di = iops->init(env, obj, 0); if (IS_ERR(di)) RETURN(PTR_ERR(di)); - fid_cpu_to_be(&fid, &ns->ln_fid_latest_scanned_phase2); + if (first) + fid_cpu_to_be(&fid, &ns->ln_fid_latest_scanned_phase2); + else + fid_zero(&fid); rc = iops->get(env, di, (const struct dt_key *)&fid); if (rc < 0) GOTO(fini, rc); - /* Skip the start one, which either has been processed or non-exist. */ - rc = iops->next(env, di); - if (rc != 0) - GOTO(put, rc); + if (first) { + /* The start one either has been processed or does not exist, + * skip it. */ + rc = iops->next(env, di); + if (rc != 0) + GOTO(put, rc); + } do { - if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY3) && - cfs_fail_val > 0) { - struct l_wait_info lwi; - - lwi = LWI_TIMEOUT(cfs_time_seconds(cfs_fail_val), - NULL, NULL); - l_wait_event(thread->t_ctl_waitq, - !thread_is_running(thread), - &lwi); - - if (unlikely(!thread_is_running(thread))) - GOTO(put, rc = 0); - } + if (CFS_FAIL_TIMEOUT(OBD_FAIL_LFSCK_DELAY3, cfs_fail_val) && + unlikely(!thread_is_running(thread))) + GOTO(put, rc = 0); key = iops->key(env, di); + if (IS_ERR(key)) { + rc = PTR_ERR(key); + if (rc == -ENOENT) + GOTO(put, rc = 1); + + goto checkpoint; + } + fid_be_to_cpu(&fid, (const struct lu_fid *)key); if (!fid_is_sane(&fid)) { rc = 0; goto checkpoint; } - target = lfsck_object_find_by_dev(env, lfsck->li_bottom, &fid); + target = lfsck_object_find_bottom(env, lfsck, &fid); if (IS_ERR(target)) { rc = PTR_ERR(target); goto checkpoint; @@ -6010,7 +6162,8 @@ checkpoint: down_write(&com->lc_sem); com->lc_new_checked++; com->lc_new_scanned++; - ns->ln_fid_latest_scanned_phase2 = fid; + if (rc >= 0 && fid_is_sane(&fid)) + ns->ln_fid_latest_scanned_phase2 = fid; if (rc > 0) ns->ln_objs_repaired_phase2++; else if (rc < 0) @@ -6030,7 +6183,7 @@ 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, false); + rc = lfsck_namespace_store(env, com); up_write(&com->lc_sem); if (rc != 0) GOTO(put, rc); @@ -6056,12 +6209,56 @@ put: fini: iops->fini(env, di); - CDEBUG(D_LFSCK, "%s: namespace LFSCK phase2 scan stop: rc = %d\n", - lfsck_lfsck2name(lfsck), rc); - return rc; } +static int lfsck_namespace_assistant_handler_p2(const struct lu_env *env, + struct lfsck_component *com) +{ + struct lfsck_instance *lfsck = com->lc_lfsck; + struct lfsck_namespace *ns = com->lc_file_ram; + int rc; + int i; + 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)); + + lfsck_namespace_scan_local_lpf(env, com); + + com->lc_new_checked = 0; + com->lc_new_scanned = 0; + com->lc_time_last_checkpoint = cfs_time_current(); + com->lc_time_next_checkpoint = com->lc_time_last_checkpoint + + cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL); + + i = lfsck_sub_trace_file_fid2idx(&ns->ln_fid_latest_scanned_phase2); + rc = lfsck_namespace_double_scan_one_trace_file(env, com, + com->lc_sub_trace_objs[i].lsto_obj, true); + while (rc > 0 && ++i < LFSCK_STF_COUNT) + rc = lfsck_namespace_double_scan_one_trace_file(env, com, + com->lc_sub_trace_objs[i].lsto_obj, false); + + CDEBUG(D_LFSCK, "%s: namespace LFSCK phase2 scan stop at the No. %d " + "trace file: rc = %d\n", lfsck_lfsck2name(lfsck), i, rc); + + RETURN(rc); +} + static void lfsck_namespace_assistant_fill_pos(const struct lu_env *env, struct lfsck_component *com, struct lfsck_position *pos) @@ -6069,15 +6266,19 @@ static void lfsck_namespace_assistant_fill_pos(const struct lu_env *env, struct lfsck_assistant_data *lad = com->lc_data; struct lfsck_namespace_req *lnr; + if (((struct lfsck_namespace *)(com->lc_file_ram))->ln_status != + LS_SCANNING_PHASE1) + return; + if (list_empty(&lad->lad_req_list)) return; lnr = list_entry(lad->lad_req_list.next, struct lfsck_namespace_req, lnr_lar.lar_list); - pos->lp_oit_cookie = lnr->lnr_oit_cookie; + pos->lp_oit_cookie = lnr->lnr_lar.lar_parent->lso_oit_cookie; pos->lp_dir_cookie = lnr->lnr_dir_cookie - 1; - pos->lp_dir_parent = *lfsck_dto2fid(lnr->lnr_obj); + pos->lp_dir_parent = lnr->lnr_lar.lar_parent->lso_fid; } static int lfsck_namespace_double_scan_result(const struct lu_env *env, @@ -6089,7 +6290,7 @@ static int lfsck_namespace_double_scan_result(const struct lu_env *env, down_write(&com->lc_sem); ns->ln_run_time_phase2 += cfs_duration_sec(cfs_time_current() + - HALF_SEC - lfsck->li_time_last_checkpoint); + HALF_SEC - com->lc_time_last_checkpoint); ns->ln_time_last_checkpoint = cfs_time_current_sec(); ns->ln_objs_checked_phase2 += com->lc_new_checked; com->lc_new_checked = 0; @@ -6112,7 +6313,7 @@ static int lfsck_namespace_double_scan_result(const struct lu_env *env, ns->ln_status = LS_FAILED; } - rc = lfsck_namespace_store(env, com, false); + rc = lfsck_namespace_store(env, com); up_write(&com->lc_sem); return rc; @@ -6123,6 +6324,13 @@ lfsck_namespace_assistant_sync_failures_interpret(const struct lu_env *env, struct ptlrpc_request *req, void *args, int rc) { + if (rc == 0) { + struct lfsck_async_interpret_args *laia = args; + struct lfsck_tgt_desc *ltd = laia->laia_ltd; + + ltd->ltd_synced_failures = 1; + } + return 0; } @@ -6159,9 +6367,13 @@ static void lfsck_namespace_assistant_sync_failures(const struct lu_env *env, struct lfsck_tgt_descs *ltds = &lfsck->li_mdt_descs; struct lfsck_tgt_desc *ltd; struct ptlrpc_request_set *set; + __u32 idx; int rc = 0; ENTRY; + if (!lad->lad_incomplete) + RETURN_EXIT; + set = ptlrpc_prep_set(); if (set == NULL) GOTO(out, rc = -ENOMEM); @@ -6170,25 +6382,12 @@ static void lfsck_namespace_assistant_sync_failures(const struct lu_env *env, memset(laia, 0, sizeof(*laia)); lad->lad_touch_gen++; - spin_lock(<ds->ltd_lock); - while (!list_empty(&lad->lad_mdt_list)) { - ltd = list_entry(lad->lad_mdt_list.next, - struct lfsck_tgt_desc, - ltd_namespace_list); - if (ltd->ltd_namespace_gen == lad->lad_touch_gen) - break; - - ltd->ltd_namespace_gen = lad->lad_touch_gen; - list_move_tail(<d->ltd_namespace_list, - &lad->lad_mdt_list); - if (!lad->lad_incomplete || - !cfs_bitmap_check(lad->lad_bitmap, ltd->ltd_index)) { - ltd->ltd_namespace_failed = 0; - continue; - } + down_read(<ds->ltd_rw_sem); + cfs_foreach_bit(lad->lad_bitmap, idx) { + ltd = lfsck_ltd2tgt(ltds, idx); + LASSERT(ltd != NULL); - ltd->ltd_namespace_failed = 1; - spin_unlock(<ds->ltd_lock); + laia->laia_ltd = ltd; rc = lfsck_async_request(env, ltd->ltd_exp, lr, set, lfsck_namespace_assistant_sync_failures_interpret, laia, LFSCK_NOTIFY); @@ -6196,10 +6395,8 @@ static void lfsck_namespace_assistant_sync_failures(const struct lu_env *env, CDEBUG(D_LFSCK, "%s: namespace LFSCK assistant fail " "to sync failure with MDT %x: rc = %d\n", lfsck_lfsck2name(lfsck), ltd->ltd_index, rc); - - spin_lock(<ds->ltd_lock); } - spin_unlock(<ds->ltd_lock); + up_read(<ds->ltd_rw_sem); rc = ptlrpc_set_wait(set); ptlrpc_set_destroy(set); @@ -6231,7 +6428,6 @@ struct lfsck_assistant_operations lfsck_namespace_assistant_ops = { * entries, then re-generate the linkEA with the given information. * * \param[in] env pointer to the thread context - * \param[in] dev pointer to the dt_device * \param[in] obj pointer to the dt_object to be handled * \param[in] cname the name for the child in the parent directory * \param[in] pfid the parent directory's FID for the linkEA @@ -6239,11 +6435,11 @@ struct lfsck_assistant_operations lfsck_namespace_assistant_ops = { * \retval 0 for success * \retval negative error number on failure */ -int lfsck_verify_linkea(const struct lu_env *env, struct dt_device *dev, - struct dt_object *obj, const struct lu_name *cname, - const struct lu_fid *pfid) +int lfsck_verify_linkea(const struct lu_env *env, struct dt_object *obj, + const struct lu_name *cname, const struct lu_fid *pfid) { - struct linkea_data ldata = { 0 }; + struct dt_device *dev = lfsck_obj2dev(obj); + struct linkea_data ldata = { NULL }; struct lu_buf linkea_buf; struct thandle *th; int rc; @@ -6295,7 +6491,7 @@ int lfsck_verify_linkea(const struct lu_env *env, struct dt_device *dev, dt_write_lock(env, obj, 0); rc = dt_xattr_set(env, obj, &linkea_buf, - XATTR_NAME_LINK, fl, th, BYPASS_CAPA); + XATTR_NAME_LINK, fl, th); dt_write_unlock(env, obj); GOTO(stop, rc); @@ -6322,7 +6518,7 @@ int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj, char *name, struct lu_fid *pfid) { struct lu_name *cname = &lfsck_env_info(env)->lti_name; - struct linkea_data ldata = { 0 }; + struct linkea_data ldata = { NULL }; int rc; rc = lfsck_links_read(env, obj, &ldata); @@ -6342,90 +6538,14 @@ int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj, } /** - * Remove the name entry from the parent directory. - * - * No need to care about the object referenced by the name entry, - * either the name entry is invalid or redundant, or the referenced - * object has been processed has been or will be handled by others. - * - * \param[in] env pointer to the thread context - * \param[in] lfsck pointer to the lfsck instance - * \param[in] parent pointer to the lost+found object - * \param[in] name the name for the name entry to be removed - * \param[in] type the type for the name entry to be removed - * - * \retval 0 for success - * \retval negative error number on failure - */ -int lfsck_remove_name_entry(const struct lu_env *env, - struct lfsck_instance *lfsck, - struct dt_object *parent, - const char *name, __u32 type) -{ - struct dt_device *dev = lfsck->li_next; - struct thandle *th; - struct lustre_handle lh = { 0 }; - int rc; - ENTRY; - - rc = lfsck_ibits_lock(env, lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); - if (rc != 0) - RETURN(rc); - - th = dt_trans_create(env, dev); - if (IS_ERR(th)) - GOTO(unlock, rc = PTR_ERR(th)); - - rc = dt_declare_delete(env, parent, (const struct dt_key *)name, th); - if (rc != 0) - GOTO(stop, rc); - - if (S_ISDIR(type)) { - rc = dt_declare_ref_del(env, parent, th); - if (rc != 0) - GOTO(stop, rc); - } - - rc = dt_trans_start(env, dev, th); - if (rc != 0) - GOTO(stop, rc); - - rc = dt_delete(env, parent, (const struct dt_key *)name, th, - BYPASS_CAPA); - if (rc != 0) - GOTO(stop, rc); - - if (S_ISDIR(type)) { - dt_write_lock(env, parent, 0); - rc = dt_ref_del(env, parent, th); - dt_write_unlock(env, parent); - } - - GOTO(stop, rc); - -stop: - dt_trans_stop(env, dev, th); - -unlock: - lfsck_ibits_unlock(&lh, LCK_EX); - - CDEBUG(D_LFSCK, "%s: remove name entry "DFID"/%s " - "with type %o: rc = %d\n", lfsck_lfsck2name(lfsck), - PFID(lfsck_dto2fid(parent)), name, type, rc); - - return rc; -} - -/** * Update the object's name entry with the given FID. * * \param[in] env pointer to the thread context * \param[in] lfsck pointer to the lfsck instance - * \param[in] parent pointer to the parent directory that holds + * \param[in] dir pointer to the directory that holds * the name entry * \param[in] name the name for the entry to be updated - * \param[in] pfid the new PFID for the name entry + * \param[in] fid the new FID for the name entry referenced * \param[in] type the type for the name entry to be updated * * \retval 0 for success @@ -6433,19 +6553,20 @@ unlock: */ int lfsck_update_name_entry(const struct lu_env *env, struct lfsck_instance *lfsck, - struct dt_object *parent, const char *name, - const struct lu_fid *pfid, __u32 type) + struct dt_object *dir, const char *name, + const struct lu_fid *fid, __u32 type) { - struct dt_insert_rec *rec = &lfsck_env_info(env)->lti_dt_rec; - struct dt_device *dev = lfsck->li_next; - struct lustre_handle lh = { 0 }; - struct thandle *th; - int rc; - bool exists = true; + struct lfsck_thread_info *info = lfsck_env_info(env); + struct dt_insert_rec *rec = &info->lti_dt_rec; + struct lfsck_lock_handle *llh = &info->lti_llh; + struct dt_device *dev = lfsck_obj2dev(dir); + struct thandle *th; + int rc; + bool exists = true; ENTRY; - rc = lfsck_ibits_lock(env, lfsck, parent, &lh, - MDS_INODELOCK_UPDATE, LCK_EX); + rc = lfsck_lock(env, lfsck, dir, name, llh, + MDS_INODELOCK_UPDATE, LCK_PW); if (rc != 0) RETURN(rc); @@ -6453,27 +6574,26 @@ int lfsck_update_name_entry(const struct lu_env *env, if (IS_ERR(th)) GOTO(unlock, rc = PTR_ERR(th)); - rc = dt_declare_delete(env, parent, (const struct dt_key *)name, th); + rc = dt_declare_delete(env, dir, (const struct dt_key *)name, th); if (rc != 0) GOTO(stop, rc); rec->rec_type = type; - rec->rec_fid = pfid; - rc = dt_declare_insert(env, parent, (const struct dt_rec *)rec, + rec->rec_fid = fid; + rc = dt_declare_insert(env, dir, (const struct dt_rec *)rec, (const struct dt_key *)name, th); if (rc != 0) GOTO(stop, rc); - rc = dt_declare_ref_add(env, parent, th); + rc = dt_declare_ref_add(env, dir, th); if (rc != 0) GOTO(stop, rc); - rc = dt_trans_start(env, dev, th); + rc = dt_trans_start_local(env, dev, th); if (rc != 0) GOTO(stop, rc); - rc = dt_delete(env, parent, (const struct dt_key *)name, th, - BYPASS_CAPA); + rc = dt_delete(env, dir, (const struct dt_key *)name, th); if (rc == -ENOENT) { exists = false; rc = 0; @@ -6482,12 +6602,12 @@ int lfsck_update_name_entry(const struct lu_env *env, if (rc != 0) GOTO(stop, rc); - rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name, th, BYPASS_CAPA, 1); + rc = dt_insert(env, dir, (const struct dt_rec *)rec, + (const struct dt_key *)name, th, 1); if (rc == 0 && S_ISDIR(type) && !exists) { - dt_write_lock(env, parent, 0); - rc = dt_ref_add(env, parent, th); - dt_write_unlock(env, parent); + dt_write_lock(env, dir, 0); + rc = dt_ref_add(env, dir, th); + dt_write_unlock(env, dir); } GOTO(stop, rc); @@ -6496,11 +6616,10 @@ stop: dt_trans_stop(env, dev, th); unlock: - lfsck_ibits_unlock(&lh, LCK_EX); - + lfsck_unlock(llh); CDEBUG(D_LFSCK, "%s: update name entry "DFID"/%s with the FID "DFID " and the type %o: rc = %d\n", lfsck_lfsck2name(lfsck), - PFID(lfsck_dto2fid(parent)), name, PFID(pfid), type, rc); + PFID(lfsck_dto2fid(dir)), name, PFID(fid), type, rc); return rc; } @@ -6512,6 +6631,7 @@ int lfsck_namespace_setup(const struct lu_env *env, struct lfsck_namespace *ns; struct dt_object *root = NULL; struct dt_object *obj; + int i; int rc; ENTRY; @@ -6530,7 +6650,7 @@ int lfsck_namespace_setup(const struct lu_env *env, com->lc_ops = &lfsck_namespace_ops; com->lc_data = lfsck_assistant_data_init( &lfsck_namespace_assistant_ops, - "lfsck_namespace"); + LFSCK_NAMESPACE); if (com->lc_data == NULL) GOTO(out, rc = -ENOMEM); @@ -6543,6 +6663,9 @@ int lfsck_namespace_setup(const struct lu_env *env, if (com->lc_file_disk == NULL) GOTO(out, rc = -ENOMEM); + for (i = 0; i < LFSCK_STF_COUNT; i++) + mutex_init(&com->lc_sub_trace_objs[i].lsto_mutex); + root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid); if (IS_ERR(root)) GOTO(out, rc = PTR_ERR(root)); @@ -6551,22 +6674,20 @@ int lfsck_namespace_setup(const struct lu_env *env, GOTO(out, rc = -ENOTDIR); obj = local_index_find_or_create(env, lfsck->li_los, root, - lfsck_namespace_name, + LFSCK_NAMESPACE, S_IFREG | S_IRUGO | S_IWUSR, &dt_lfsck_features); 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 = lfsck_namespace_load(env, com); if (rc == -ENODATA) rc = lfsck_namespace_init(env, com); else if (rc < 0) rc = lfsck_namespace_reset(env, com, true); + else + rc = lfsck_namespace_load_sub_trace_files(env, com, false); if (rc != 0) GOTO(out, rc); @@ -6604,7 +6725,7 @@ int lfsck_namespace_setup(const struct lu_env *env, out: if (root != NULL && !IS_ERR(root)) - lu_object_put(env, &root->do_lu); + lfsck_object_put(env, root); if (rc != 0) { lfsck_component_cleanup(env, com); CERROR("%s: fail to init namespace LFSCK component: rc = %d\n",