int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, struct osd_inode_id *id,
enum oi_check_flags flags)
{
if (unlikely(fid_is_last_id(fid)))
return osd_obj_spec_lookup(info, osd, fid, id);
if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
return osd_obj_map_lookup(info, osd, fid, id);
if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE)) {
int rc;
if (fid_is_fs_root(fid)) {
osd_id_gen(id, osd_sb(osd)->s_root->d_inode->i_ino,
osd_sb(osd)->s_root->d_inode->i_generation);
return 0;
}
if (unlikely(fid_is_acct(fid)))
return osd_acct_obj_lookup(info, osd, fid, id);
/* For other special FIDs, try OI first, then do spec lookup */
rc = __osd_oi_lookup(info, osd, fid, id);
if (rc == -ENOENT)
return osd_obj_spec_lookup(info, osd, fid, id);
return rc;
}
if (!osd->od_igif_inoi && fid_is_igif(fid)) {
osd_id_gen(id, lu_igif_ino(fid), lu_igif_gen(fid));
return 0;
}
return __osd_oi_lookup(info, osd, fid, id);
}
int osd_oi_update(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, const struct osd_inode_id *id,
handle_t *th, enum oi_check_flags flags)
{
struct lu_fid *oi_fid = &info->oti_fid2;
struct osd_inode_id *oi_id = &info->oti_id2;
int rc = 0;
if (unlikely(fid_is_last_id(fid)))
return osd_obj_spec_update(info, osd, fid, id, th);
if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
return osd_obj_map_update(info, osd, fid, id, th);
fid_cpu_to_be(oi_fid, fid);
osd_id_pack(oi_id, id);
rc = osd_oi_iam_refresh(info, osd_fid2oi(osd, fid),
(const struct dt_rec *)oi_id,
(const struct dt_key *)oi_fid, th, false);
if (rc != 0)
return rc;
if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE))
rc = osd_obj_spec_update(info, osd, fid, id, th);
return rc;
}
int fid_is_on_ost(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, enum oi_check_flags flags)
{
struct lu_seq_range *range = &info->oti_seq_range;
int rc;
ENTRY;
if (flags & OI_KNOWN_ON_OST)
RETURN(1);
if (unlikely(fid_is_local_file(fid) || fid_is_igif(fid) ||
fid_is_llog(fid)) || fid_is_name_llog(fid) ||
fid_is_quota(fid))
RETURN(0);
if (fid_is_idif(fid) || fid_is_last_id(fid))
RETURN(1);
if (!(flags & OI_CHECK_FLD))
RETURN(0);
rc = osd_fld_lookup(info->oti_env, osd, fid_seq(fid), range);
if (rc != 0) {
if (rc != -ENOENT)
CERROR("%s: lookup FLD "DFID": rc = %d\n",
osd_name(osd), PFID(fid), rc);
RETURN(0);
}
if (fld_range_is_ost(range))
RETURN(1);
RETURN(0);
}
int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, struct osd_inode_id *id,
enum oi_check_flags flags)
{
if (unlikely(fid_is_last_id(fid)))
return osd_obj_spec_lookup(info, osd, fid, id);
if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
return osd_obj_map_lookup(info, osd, fid, id);
if (fid_is_fs_root(fid)) {
osd_id_gen(id, osd_sb(osd)->s_root->d_inode->i_ino,
osd_sb(osd)->s_root->d_inode->i_generation);
return 0;
}
if (unlikely(fid_is_acct(fid)))
return osd_acct_obj_lookup(info, osd, fid, id);
if (!osd->od_igif_inoi && fid_is_igif(fid)) {
osd_id_gen(id, lu_igif_ino(fid), lu_igif_gen(fid));
return 0;
}
return __osd_oi_lookup(info, osd, fid, id);
}
int osd_oi_delete(struct osd_thread_info *info,
struct osd_device *osd, const struct lu_fid *fid,
handle_t *th, enum oi_check_flags flags)
{
struct lu_fid *oi_fid = &info->oti_fid2;
/* clear idmap cache */
if (lu_fid_eq(fid, &info->oti_cache.oic_fid))
fid_zero(&info->oti_cache.oic_fid);
if (fid_is_last_id(fid))
return 0;
if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
return osd_obj_map_delete(info, osd, fid, th);
fid_cpu_to_be(oi_fid, fid);
return osd_oi_iam_delete(info, osd_fid2oi(osd, fid),
(const struct dt_key *)oi_fid, th);
}
int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, const struct osd_inode_id *id,
handle_t *th, enum oi_check_flags flags)
{
struct lu_fid *oi_fid = &info->oti_fid2;
struct osd_inode_id *oi_id = &info->oti_id2;
int rc = 0;
if (unlikely(fid_is_last_id(fid)))
return osd_obj_spec_insert(info, osd, fid, id, th);
if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
return osd_obj_map_insert(info, osd, fid, id, th);
fid_cpu_to_be(oi_fid, fid);
osd_id_pack(oi_id, id);
rc = osd_oi_iam_refresh(info, osd_fid2oi(osd, fid),
(const struct dt_rec *)oi_id,
(const struct dt_key *)oi_fid, th, true);
if (rc != 0) {
struct inode *inode;
struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
if (rc != -EEXIST)
return rc;
rc = osd_oi_lookup(info, osd, fid, oi_id, 0);
if (rc != 0)
return rc;
if (unlikely(osd_id_eq(id, oi_id)))
return 1;
/* Check whether the mapping for oi_id is valid or not. */
inode = osd_iget(info, osd, oi_id);
if (IS_ERR(inode)) {
rc = PTR_ERR(inode);
if (rc == -ENOENT || rc == -ESTALE)
goto update;
return rc;
}
/* The EA inode should NOT be in OI, old OI scrub may added
* such OI mapping by wrong, replace it. */
if (unlikely(osd_is_ea_inode(inode))) {
iput(inode);
goto update;
}
rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
iput(inode);
if (rc == -ENODATA)
goto update;
if (rc != 0)
return rc;
if (!(lma->lma_compat & LMAC_NOT_IN_OI) &&
lu_fid_eq(fid, &lma->lma_self_fid)) {
CERROR("%.16s: the FID "DFID" is used by two objects: "
"%u/%u %u/%u\n",
LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
PFID(fid), oi_id->oii_ino, oi_id->oii_gen,
id->oii_ino, id->oii_gen);
return -EEXIST;
}
update:
osd_id_pack(oi_id, id);
rc = osd_oi_iam_refresh(info, osd_fid2oi(osd, fid),
(const struct dt_rec *)oi_id,
(const struct dt_key *)oi_fid, th, false);
if (rc != 0)
return rc;
}
if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE))
rc = osd_obj_spec_insert(info, osd, fid, id, th);
return rc;
}
static int lfsck_master_oit_engine(const struct lu_env *env,
struct lfsck_instance *lfsck)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
const struct dt_it_ops *iops =
&lfsck->li_obj_oit->do_index_ops->dio_it;
struct dt_it *di = lfsck->li_di_oit;
struct lu_fid *fid = &info->lti_fid;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct ptlrpc_thread *thread = &lfsck->li_thread;
__u32 idx =
lfsck_dev_idx(lfsck->li_bottom);
int rc;
ENTRY;
do {
struct dt_object *target;
bool update_lma = false;
if (lfsck->li_di_dir != NULL) {
rc = lfsck_master_dir_engine(env, lfsck);
if (rc <= 0)
RETURN(rc);
}
if (unlikely(lfsck->li_oit_over))
RETURN(1);
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY1) &&
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 (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_CRASH))
RETURN(0);
lfsck->li_current_oit_processed = 1;
lfsck->li_new_scanned++;
rc = iops->rec(env, di, (struct dt_rec *)fid, 0);
if (rc != 0) {
lfsck_fail(env, lfsck, true);
if (rc < 0 && bk->lb_param & LPF_FAILOUT)
RETURN(rc);
else
goto checkpoint;
}
if (fid_is_idif(fid)) {
__u32 idx1 = fid_idif_ost_idx(fid);
LASSERT(!lfsck->li_master);
/* It is an old format device, update the LMA. */
if (idx != idx1) {
struct ost_id *oi = &info->lti_oi;
fid_to_ostid(fid, oi);
ostid_to_fid(fid, oi, idx);
update_lma = true;
}
} else if (!fid_is_norm(fid) && !fid_is_igif(fid) &&
!fid_is_last_id(fid) && !fid_is_root(fid) &&
!fid_seq_is_dot(fid_seq(fid))) {
/* If the FID/object is only used locally and invisible
* to external nodes, then LFSCK will not handle it. */
goto checkpoint;
}
target = lfsck_object_find(env, lfsck, fid);
if (target == NULL) {
goto checkpoint;
} else if (IS_ERR(target)) {
lfsck_fail(env, lfsck, true);
if (bk->lb_param & LPF_FAILOUT)
RETURN(PTR_ERR(target));
else
goto checkpoint;
}
/* XXX: Currently, skip remote object, the consistency for
* remote object will be processed in LFSCK phase III. */
if (dt_object_exists(target) && !dt_object_remote(target)) {
if (update_lma)
rc = lfsck_update_lma(env, lfsck, target);
if (rc == 0)
rc = lfsck_exec_oit(env, lfsck, target);
}
lfsck_object_put(env, target);
if (rc != 0 && bk->lb_param & LPF_FAILOUT)
RETURN(rc);
checkpoint:
rc = lfsck_checkpoint(env, lfsck);
if (rc != 0 && bk->lb_param & LPF_FAILOUT)
RETURN(rc);
/* Rate control. */
lfsck_control_speed(lfsck);
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_FATAL1)) {
spin_lock(&lfsck->li_lock);
thread_set_flags(thread, SVC_STOPPING);
spin_unlock(&lfsck->li_lock);
RETURN(-EINVAL);
}
rc = iops->next(env, di);
if (unlikely(rc > 0))
lfsck->li_oit_over = 1;
else if (likely(rc == 0))
lfsck->li_current_oit_processed = 0;
if (unlikely(!thread_is_running(thread)))
RETURN(0);
} while (rc == 0 || lfsck->li_di_dir != NULL);
RETURN(rc);
}