int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
const struct lu_fid *pfid, const char *name, __u32 mode,
struct lu_fid *fid)
{
struct dt_object *parent, *dto;
int rc;
ENTRY;
LASSERT(!fid_is_zero(pfid));
parent = dt_locate(env, mdd->mdd_bottom, pfid);
if (unlikely(IS_ERR(parent)))
RETURN(PTR_ERR(parent));
/* create local file/dir, if @fid is passed then try to use it */
if (fid_is_zero(fid))
dto = local_file_find_or_create(env, mdd->mdd_los, parent,
name, mode);
else
dto = local_file_find_or_create_with_fid(env, mdd->mdd_bottom,
fid, parent, name,
mode);
if (IS_ERR(dto))
GOTO(out_put, rc = PTR_ERR(dto));
*fid = *lu_object_fid(&dto->do_lu);
/* since stack is not fully set up the local_storage uses own stack
* and we should drop its object from cache */
lu_object_put_nocache(env, &dto->do_lu);
EXIT;
out_put:
lu_object_put(env, &parent->do_lu);
return 0;
}
/**
* This is helper function to get llog directory object. It is used by named
* llog operations to find/insert/delete llog entry from llog directory.
*
* \param[in] env execution environment
* \param[in] ctxt llog context
*
* \retval dt_object of llog directory
* \retval ERR_PTR of negative value on error
*/
struct dt_object *llog_osd_dir_get(const struct lu_env *env,
struct llog_ctxt *ctxt)
{
struct dt_device *dt;
struct dt_thread_info *dti = dt_info(env);
struct dt_object *dir;
int rc;
dt = ctxt->loc_exp->exp_obd->obd_lvfs_ctxt.dt;
if (ctxt->loc_dir == NULL) {
rc = dt_root_get(env, dt, &dti->dti_fid);
if (rc)
return ERR_PTR(rc);
dir = dt_locate(env, dt, &dti->dti_fid);
if (!IS_ERR(dir) && !dt_try_as_dir(env, dir)) {
lu_object_put(env, &dir->do_lu);
return ERR_PTR(-ENOTDIR);
}
} else {
lu_object_get(&ctxt->loc_dir->do_lu);
dir = ctxt->loc_dir;
}
return dir;
}
/**
* open the PENDING directory for device \a mdd
*
* The PENDING directory persistently tracks files and directories that were
* unlinked from the namespace (nlink == 0) but are still held open by clients.
* Those inodes shouldn't be deleted if the MDS crashes, because the clients
* would not be able to recover and reopen those files. Instead, these inodes
* are linked into the PENDING directory on disk, and only deleted if all
* clients close them, or the MDS finishes client recovery without any client
* reopening them (i.e. former clients didn't join recovery).
* \param d mdd device being started.
*
* \retval 0 success
* \retval -ve index operation error.
*
*/
int orph_index_init(const struct lu_env *env, struct mdd_device *mdd)
{
struct lu_fid fid;
struct dt_object *d;
int rc = 0;
ENTRY;
/* create PENDING dir */
fid_zero(&fid);
rc = mdd_local_file_create(env, mdd, &mdd->mdd_local_root_fid,
orph_index_name, S_IFDIR | S_IRUGO |
S_IWUSR | S_IXUGO, &fid);
if (rc < 0)
RETURN(rc);
d = dt_locate(env, mdd->mdd_child, &fid);
if (IS_ERR(d))
RETURN(PTR_ERR(d));
LASSERT(lu_object_exists(&d->do_lu));
if (!dt_try_as_dir(env, d)) {
CERROR("%s: \"%s\" is not an index: rc = %d\n",
mdd2obd_dev(mdd)->obd_name, orph_index_name, rc);
lu_object_put(env, &d->do_lu);
RETURN(-ENOTDIR);
}
mdd->mdd_orphans = d;
RETURN(0);
}
/**
* Write the special file which contains the list of llog catalogs IDs
*
* This function writes the CATALOG file which contains the array of llog
* catalogs IDs. It is used mostly to store OSP llogs indexed by OST/MDT
* number.
*
* \param[in] env execution environment
* \param[in] d corresponding storage device
* \param[in] idx position to start from, usually OST/MDT index
* \param[in] count how many catalog IDs to write
* \param[out] idarray the buffer with the data to write.
* \param[in] fid LLOG_CATALOGS_OID for CATALOG object
*
* \retval 0 on successful write of catalog IDs
* \retval negative value on error
*/
int llog_osd_put_cat_list(const struct lu_env *env, struct dt_device *d,
int idx, int count, struct llog_catid *idarray,
const struct lu_fid *fid)
{
struct llog_thread_info *lgi = llog_info(env);
struct dt_object *o = NULL;
struct thandle *th;
int rc, size;
if (count == 0)
RETURN(0);
LASSERT(d);
size = sizeof(*idarray) * count;
lgi->lgi_off = idx * sizeof(*idarray);
lgi->lgi_fid = *fid;
o = dt_locate(env, d, &lgi->lgi_fid);
if (IS_ERR(o))
RETURN(PTR_ERR(o));
if (!dt_object_exists(o))
GOTO(out, rc = -ENOENT);
rc = dt_attr_get(env, o, &lgi->lgi_attr, BYPASS_CAPA);
if (rc)
GOTO(out, rc);
if (!S_ISREG(lgi->lgi_attr.la_mode)) {
CERROR("%s: CATALOGS is not a regular file!: mode = %o\n",
o->do_lu.lo_dev->ld_obd->obd_name,
lgi->lgi_attr.la_mode);
GOTO(out, rc = -ENOENT);
}
th = dt_trans_create(env, d);
if (IS_ERR(th))
GOTO(out, rc = PTR_ERR(th));
lgi->lgi_buf.lb_len = size;
lgi->lgi_buf.lb_buf = idarray;
rc = dt_declare_record_write(env, o, &lgi->lgi_buf, lgi->lgi_off, th);
if (rc)
GOTO(out, rc);
rc = dt_trans_start_local(env, d, th);
if (rc)
GOTO(out_trans, rc);
rc = dt_record_write(env, o, &lgi->lgi_buf, &lgi->lgi_off, th);
if (rc)
CDEBUG(D_INODE, "can't write CATALOGS at index %d: rc = %d\n",
idx, rc);
out_trans:
dt_trans_stop(env, d, th);
out:
lu_object_put(env, &o->do_lu);
RETURN(rc);
}
/**
* Look-up accounting object to collect space usage information for user
* or group.
*
* \param env - is the environment passed by the caller
* \param dev - is the dt_device storing the accounting object
* \param type - is the quota type, either USRQUOTA or GRPQUOTA
*/
struct dt_object *acct_obj_lookup(const struct lu_env *env,
struct dt_device *dev, int type)
{
struct lquota_thread_info *qti = lquota_info(env);
struct dt_object *obj = NULL;
ENTRY;
lu_local_obj_fid(&qti->qti_fid, qtype2acct_oid(type));
/* lookup the accounting object */
obj = dt_locate(env, dev, &qti->qti_fid);
if (IS_ERR(obj))
RETURN(obj);
if (!dt_object_exists(obj)) {
dt_object_put(env, obj);
RETURN(ERR_PTR(-ENOENT));
}
if (obj->do_index_ops == NULL) {
int rc;
/* set up indexing operations */
rc = obj->do_ops->do_index_try(env, obj, &dt_acct_features);
if (rc) {
CERROR("%s: failed to set up indexing operations for %s"
" acct object rc:%d\n",
dev->dd_lu_dev.ld_obd->obd_name,
qtype_name(type), rc);
dt_object_put(env, obj);
RETURN(ERR_PTR(rc));
}
}
RETURN(obj);
}
int lfsck_bookmark_setup(const struct lu_env *env,
struct lfsck_instance *lfsck)
{
struct dt_object *root;
struct dt_object *obj;
int rc;
ENTRY;
root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
if (IS_ERR(root))
RETURN(PTR_ERR(root));
dt_try_as_dir(env, root);
obj = local_file_find_or_create(env, lfsck->li_los, root,
lfsck_bookmark_name,
S_IFREG | S_IRUGO | S_IWUSR);
lu_object_put(env, &root->do_lu);
if (IS_ERR(obj))
RETURN(PTR_ERR(obj));
lfsck->li_bookmark_obj = obj;
rc = lfsck_bookmark_load(env, lfsck);
if (rc == -ENODATA)
rc = lfsck_bookmark_init(env, lfsck);
RETURN(rc);
}
/*
* Helper function looking up & creating if not found an index file with a
* dynamic fid.
*/
static struct dt_object *
lquota_disk_find_create(const struct lu_env *env, struct dt_device *dev,
struct dt_object *parent, struct lu_fid *fid,
const struct dt_index_features *idx_feat,
char *name)
{
struct lquota_thread_info *qti = lquota_info(env);
struct dt_object *obj;
struct local_oid_storage *los;
int rc;
ENTRY;
/* Set up local storage */
rc = local_oid_storage_init(env, dev, fid, &los);
if (rc)
RETURN(ERR_PTR(rc));
/* lookup/create slave index file */
obj = local_index_find_or_create(env, los, parent, name, LQUOTA_MODE,
idx_feat);
if (IS_ERR(obj))
GOTO(out, obj);
/* local_oid_storage_fini() will finalize the local storage device,
* we have to open the object in another device stack */
qti->qti_fid = obj->do_lu.lo_header->loh_fid;
lu_object_put_nocache(env, &obj->do_lu);
obj = dt_locate(env, dev, &qti->qti_fid);
if (IS_ERR(obj))
GOTO(out, obj);
out:
local_oid_storage_fini(env, los);
RETURN(obj);
}
/*
* Look-up a slave index file.
*
* \param env - is the environment passed by the caller
* \param dev - is the backend dt_device where to look-up/create the slave index
* \param parent - is the parent directory where to lookup the slave index
* \param glb_fid - is the fid of the global index file associated with this
* slave index.
* \param uuid - is the uuid of slave which is (re)connecting to the master
* target
*
* \retval - pointer to the dt_object of the slave index on success,
* appropriate error on failure
*/
struct dt_object *lquota_disk_slv_find(const struct lu_env *env,
struct dt_device *dev,
struct dt_object *parent,
const struct lu_fid *glb_fid,
struct obd_uuid *uuid)
{
struct lquota_thread_info *qti = lquota_info(env);
struct dt_object *slv_idx;
int rc;
ENTRY;
LASSERT(uuid != NULL);
CDEBUG(D_QUOTA, "lookup slave index file for %s\n",
obd_uuid2str(uuid));
/* generate filename associated with the slave */
rc = lquota_disk_slv_filename(glb_fid, uuid, qti->qti_buf);
if (rc)
RETURN(ERR_PTR(rc));
/* lookup slave index file */
rc = dt_lookup_dir(env, parent, qti->qti_buf, &qti->qti_fid);
if (rc)
RETURN(ERR_PTR(rc));
/* name is found, get the object */
slv_idx = dt_locate(env, dev, &qti->qti_fid);
if (IS_ERR(slv_idx))
RETURN(slv_idx);
if (slv_idx->do_index_ops == NULL) {
rc = slv_idx->do_ops->do_index_try(env, slv_idx,
&dt_quota_slv_features);
if (rc) {
CERROR("%s: failed to setup slave index operations for "
"%s, rc:%d\n", dev->dd_lu_dev.ld_obd->obd_name,
obd_uuid2str(uuid), rc);
lu_object_put(env, &slv_idx->do_lu);
slv_idx = ERR_PTR(rc);
}
}
RETURN(slv_idx);
}
int lfsck_bookmark_setup(const struct lu_env *env,
struct lfsck_instance *lfsck)
{
struct dt_object *root;
struct dt_object *obj;
int rc;
ENTRY;
root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
if (IS_ERR(root))
RETURN(PTR_ERR(root));
if (unlikely(!dt_try_as_dir(env, root))) {
lfsck_object_put(env, root);
RETURN(-ENOTDIR);
}
obj = local_file_find_or_create(env, lfsck->li_los, root,
LFSCK_BOOKMARK,
S_IFREG | S_IRUGO | S_IWUSR);
lfsck_object_put(env, root);
if (IS_ERR(obj))
RETURN(PTR_ERR(obj));
lfsck->li_bookmark_obj = obj;
rc = lfsck_bookmark_load(env, lfsck);
if (rc == 0) {
struct lfsck_bookmark *mb = &lfsck->li_bookmark_ram;
/* It is upgraded from old release, set it as
* LFSCK_ASYNC_WIN_DEFAULT to avoid memory pressure. */
if (unlikely(mb->lb_async_windows == 0)) {
mb->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
mutex_lock(&lfsck->li_mutex);
rc = lfsck_bookmark_store(env, lfsck);
mutex_unlock(&lfsck->li_mutex);
}
} else if (rc == -ENODATA) {
rc = lfsck_bookmark_init(env, lfsck);
}
RETURN(rc);
}
/**
* Initialize slave index object to collect local quota limit for user or group.
*
* \param env - is the environment passed by the caller
* \param dev - is the dt_device storing the slave index object
* \param type - is the quota type, either USRQUOTA or GRPQUOTA
*/
static struct dt_object *quota_obj_lookup(const struct lu_env *env,
struct dt_device *dev, int type)
{
struct lquota_thread_info *qti = lquota_info(env);
struct dt_object *obj = NULL;
ENTRY;
qti->qti_fid.f_seq = FID_SEQ_QUOTA;
qti->qti_fid.f_oid = qtype2slv_oid(type);
qti->qti_fid.f_ver = 0;
/* lookup the quota object */
obj = dt_locate(env, dev, &qti->qti_fid);
if (IS_ERR(obj))
RETURN(obj);
if (!dt_object_exists(obj)) {
dt_object_put(env, obj);
RETURN(ERR_PTR(-ENOENT));
}
if (obj->do_index_ops == NULL) {
int rc;
/* set up indexing operations */
rc = obj->do_ops->do_index_try(env, obj,
&dt_quota_slv_features);
if (rc) {
CERROR("%s: failed to set up indexing operations for %s"
" slave index object rc:%d\n",
dev->dd_lu_dev.ld_obd->obd_name,
qtype_name(type), rc);
dt_object_put(env, obj);
RETURN(ERR_PTR(rc));
}
}
RETURN(obj);
}
int lfsck_namespace_setup(const struct lu_env *env,
struct lfsck_instance *lfsck)
{
struct lfsck_component *com;
struct lfsck_namespace *ns;
struct dt_object *root = NULL;
struct dt_object *obj;
int rc;
ENTRY;
LASSERT(lfsck->li_master);
OBD_ALLOC_PTR(com);
if (com == NULL)
RETURN(-ENOMEM);
CFS_INIT_LIST_HEAD(&com->lc_link);
CFS_INIT_LIST_HEAD(&com->lc_link_dir);
init_rwsem(&com->lc_sem);
atomic_set(&com->lc_ref, 1);
com->lc_lfsck = lfsck;
com->lc_type = LT_NAMESPACE;
com->lc_ops = &lfsck_namespace_ops;
com->lc_file_size = sizeof(struct lfsck_namespace);
OBD_ALLOC(com->lc_file_ram, com->lc_file_size);
if (com->lc_file_ram == NULL)
GOTO(out, rc = -ENOMEM);
OBD_ALLOC(com->lc_file_disk, com->lc_file_size);
if (com->lc_file_disk == NULL)
GOTO(out, rc = -ENOMEM);
root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
if (IS_ERR(root))
GOTO(out, rc = PTR_ERR(root));
if (unlikely(!dt_try_as_dir(env, root)))
GOTO(out, rc = -ENOTDIR);
obj = local_index_find_or_create(env, lfsck->li_los, root,
lfsck_namespace_name,
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 > 0)
rc = lfsck_namespace_reset(env, com, true);
else if (rc == -ENODATA)
rc = lfsck_namespace_init(env, com);
if (rc != 0)
GOTO(out, rc);
ns = com->lc_file_ram;
switch (ns->ln_status) {
case LS_INIT:
case LS_COMPLETED:
case LS_FAILED:
case LS_STOPPED:
spin_lock(&lfsck->li_lock);
cfs_list_add_tail(&com->lc_link, &lfsck->li_list_idle);
spin_unlock(&lfsck->li_lock);
break;
default:
CERROR("%s: unknown lfsck_namespace status: rc = %u\n",
lfsck_lfsck2name(lfsck), ns->ln_status);
/* fall through */
case LS_SCANNING_PHASE1:
case LS_SCANNING_PHASE2:
/* No need to store the status to disk right now.
* If the system crashed before the status stored,
* it will be loaded back when next time. */
ns->ln_status = LS_CRASHED;
/* fall through */
case LS_PAUSED:
case LS_CRASHED:
spin_lock(&lfsck->li_lock);
cfs_list_add_tail(&com->lc_link, &lfsck->li_list_scan);
cfs_list_add_tail(&com->lc_link_dir, &lfsck->li_list_dir);
spin_unlock(&lfsck->li_lock);
break;
}
GOTO(out, rc = 0);
out:
if (root != NULL && !IS_ERR(root))
lu_object_put(env, &root->do_lu);
if (rc != 0)
lfsck_component_cleanup(env, com);
return rc;
}
/**
* Read the special file which contains the list of llog catalogs IDs
*
* This function reads the CATALOGS file which contains the array of llog
* catalogs IDs. The main purpose of this file is to store OSP llogs indexed
* by OST/MDT number.
*
* \param[in] env execution environment
* \param[in] d corresponding storage device
* \param[in] idx position to start from, usually OST/MDT index
* \param[in] count how many catalog IDs to read
* \param[out] idarray the buffer for the data. If it is NULL then
* function returns just number of catalog IDs
* in the file.
* \param[in] fid LLOG_CATALOGS_OID for CATALOG object
*
* \retval 0 on successful read of catalog IDs
* \retval negative value on error
* \retval positive value which is number of records in
* the file if \a idarray is NULL
*/
int llog_osd_get_cat_list(const struct lu_env *env, struct dt_device *d,
int idx, int count, struct llog_catid *idarray,
const struct lu_fid *fid)
{
struct llog_thread_info *lgi = llog_info(env);
struct dt_object *o = NULL;
struct thandle *th;
int rc, size;
ENTRY;
LASSERT(d);
size = sizeof(*idarray) * count;
lgi->lgi_off = idx * sizeof(*idarray);
lgi->lgi_fid = *fid;
o = dt_locate(env, d, &lgi->lgi_fid);
if (IS_ERR(o))
RETURN(PTR_ERR(o));
if (!dt_object_exists(o)) {
th = dt_trans_create(env, d);
if (IS_ERR(th))
GOTO(out, rc = PTR_ERR(th));
lgi->lgi_attr.la_valid = LA_MODE;
lgi->lgi_attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
lgi->lgi_dof.dof_type = dt_mode_to_dft(S_IFREG);
rc = dt_declare_create(env, o, &lgi->lgi_attr, NULL,
&lgi->lgi_dof, th);
if (rc)
GOTO(out_trans, rc);
rc = dt_trans_start_local(env, d, th);
if (rc)
GOTO(out_trans, rc);
dt_write_lock(env, o, 0);
if (!dt_object_exists(o))
rc = dt_create(env, o, &lgi->lgi_attr, NULL,
&lgi->lgi_dof, th);
dt_write_unlock(env, o);
out_trans:
dt_trans_stop(env, d, th);
if (rc)
GOTO(out, rc);
}
rc = dt_attr_get(env, o, &lgi->lgi_attr, BYPASS_CAPA);
if (rc)
GOTO(out, rc);
if (!S_ISREG(lgi->lgi_attr.la_mode)) {
CERROR("%s: CATALOGS is not a regular file!: mode = %o\n",
o->do_lu.lo_dev->ld_obd->obd_name,
lgi->lgi_attr.la_mode);
GOTO(out, rc = -ENOENT);
}
CDEBUG(D_CONFIG, "cat list: disk size=%d, read=%d\n",
(int)lgi->lgi_attr.la_size, size);
/* return just number of llogs */
if (idarray == NULL) {
rc = lgi->lgi_attr.la_size / sizeof(*idarray);
GOTO(out, rc);
}
/* read for new ost index or for empty file */
memset(idarray, 0, size);
if (lgi->lgi_attr.la_size <= lgi->lgi_off)
GOTO(out, rc = 0);
if (lgi->lgi_attr.la_size < lgi->lgi_off + size)
size = lgi->lgi_attr.la_size - lgi->lgi_off;
lgi->lgi_buf.lb_buf = idarray;
lgi->lgi_buf.lb_len = size;
rc = dt_record_read(env, o, &lgi->lgi_buf, &lgi->lgi_off);
if (rc) {
CERROR("%s: error reading CATALOGS: rc = %d\n",
o->do_lu.lo_dev->ld_obd->obd_name, rc);
GOTO(out, rc);
}
EXIT;
out:
lu_object_put(env, &o->do_lu);
RETURN(rc);
}
/**
* Object updates between Targets. Because all the updates has been
* dis-assemblied into object updates at sender side, so OUT will
* call OSD API directly to execute these updates.
*
* In DNE phase I all of the updates in the request need to be executed
* in one transaction, and the transaction has to be synchronously.
*
* Please refer to lustre/include/lustre/lustre_idl.h for req/reply
* format.
*/
int out_handle(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
struct thandle_exec_args *ta = &tti->tti_tea;
struct req_capsule *pill = tsi->tsi_pill;
struct dt_device *dt = tsi->tsi_tgt->lut_bottom;
struct update_buf *ubuf;
struct update *update;
struct update_reply *update_reply;
int bufsize;
int count;
int old_batchid = -1;
unsigned off;
int i;
int rc = 0;
int rc1 = 0;
ENTRY;
req_capsule_set(pill, &RQF_UPDATE_OBJ);
bufsize = req_capsule_get_size(pill, &RMF_UPDATE, RCL_CLIENT);
if (bufsize != UPDATE_BUFFER_SIZE) {
CERROR("%s: invalid bufsize %d: rc = %d\n",
tgt_name(tsi->tsi_tgt), bufsize, -EPROTO);
RETURN(err_serious(-EPROTO));
}
ubuf = req_capsule_client_get(pill, &RMF_UPDATE);
if (ubuf == NULL) {
CERROR("%s: No buf!: rc = %d\n", tgt_name(tsi->tsi_tgt),
-EPROTO);
RETURN(err_serious(-EPROTO));
}
if (le32_to_cpu(ubuf->ub_magic) != UPDATE_BUFFER_MAGIC) {
CERROR("%s: invalid magic %x expect %x: rc = %d\n",
tgt_name(tsi->tsi_tgt), le32_to_cpu(ubuf->ub_magic),
UPDATE_BUFFER_MAGIC, -EPROTO);
RETURN(err_serious(-EPROTO));
}
count = le32_to_cpu(ubuf->ub_count);
if (count <= 0) {
CERROR("%s: No update!: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
req_capsule_set_size(pill, &RMF_UPDATE_REPLY, RCL_SERVER,
UPDATE_BUFFER_SIZE);
rc = req_capsule_server_pack(pill);
if (rc != 0) {
CERROR("%s: Can't pack response: rc = %d\n",
tgt_name(tsi->tsi_tgt), rc);
RETURN(rc);
}
/* Prepare the update reply buffer */
update_reply = req_capsule_server_get(pill, &RMF_UPDATE_REPLY);
if (update_reply == NULL)
RETURN(err_serious(-EPROTO));
update_init_reply_buf(update_reply, count);
tti->tti_u.update.tti_update_reply = update_reply;
rc = out_tx_start(env, dt, ta);
if (rc != 0)
RETURN(rc);
tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
/* Walk through updates in the request to execute them synchronously */
off = cfs_size_round(offsetof(struct update_buf, ub_bufs[0]));
for (i = 0; i < count; i++) {
struct tgt_handler *h;
struct dt_object *dt_obj;
update = (struct update *)((char *)ubuf + off);
if (old_batchid == -1) {
old_batchid = update->u_batchid;
} else if (old_batchid != update->u_batchid) {
/* Stop the current update transaction,
* create a new one */
rc = out_tx_end(env, ta);
if (rc != 0)
RETURN(rc);
rc = out_tx_start(env, dt, ta);
if (rc != 0)
RETURN(rc);
old_batchid = update->u_batchid;
}
fid_le_to_cpu(&update->u_fid, &update->u_fid);
if (!fid_is_sane(&update->u_fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(&update->u_fid),
-EPROTO);
GOTO(out, rc = err_serious(-EPROTO));
}
dt_obj = dt_locate(env, dt, &update->u_fid);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
tti->tti_u.update.tti_dt_object = dt_obj;
tti->tti_u.update.tti_update = update;
tti->tti_u.update.tti_update_reply_index = i;
h = out_handler_find(update->u_type);
if (likely(h != NULL)) {
/* For real modification RPC, check if the update
* has been executed */
if (h->th_flags & MUTABOR) {
struct ptlrpc_request *req = tgt_ses_req(tsi);
if (out_check_resent(env, dt, dt_obj, req,
out_reconstruct,
update_reply, i))
GOTO(next, rc);
}
rc = h->th_act(tsi);
} else {
CERROR("%s: The unsupported opc: 0x%x\n",
tgt_name(tsi->tsi_tgt), update->u_type);
lu_object_put(env, &dt_obj->do_lu);
GOTO(out, rc = -ENOTSUPP);
}
next:
lu_object_put(env, &dt_obj->do_lu);
if (rc < 0)
GOTO(out, rc);
off += cfs_size_round(update_size(update));
}
out:
rc1 = out_tx_end(env, ta);
if (rc == 0)
rc = rc1;
RETURN(rc);
}
/**
* Object updates between Targets. Because all the updates has been
* dis-assemblied into object updates at sender side, so OUT will
* call OSD API directly to execute these updates.
*
* In DNE phase I all of the updates in the request need to be executed
* in one transaction, and the transaction has to be synchronously.
*
* Please refer to lustre/include/lustre/lustre_idl.h for req/reply
* format.
*/
int out_handle(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
struct thandle_exec_args *ta = &tti->tti_tea;
struct req_capsule *pill = tsi->tsi_pill;
struct dt_device *dt = tsi->tsi_tgt->lut_bottom;
struct out_update_header *ouh;
struct out_update_buffer *oub = NULL;
struct object_update *update;
struct object_update_reply *reply;
struct ptlrpc_bulk_desc *desc = NULL;
struct l_wait_info lwi;
void **update_bufs;
int current_batchid = -1;
__u32 update_buf_count;
unsigned int i;
unsigned int reply_index = 0;
int rc = 0;
int rc1 = 0;
int ouh_size, reply_size;
int updates;
ENTRY;
req_capsule_set(pill, &RQF_OUT_UPDATE);
ouh_size = req_capsule_get_size(pill, &RMF_OUT_UPDATE_HEADER,
RCL_CLIENT);
if (ouh_size <= 0)
RETURN(err_serious(-EPROTO));
ouh = req_capsule_client_get(pill, &RMF_OUT_UPDATE_HEADER);
if (ouh == NULL)
RETURN(err_serious(-EPROTO));
if (ouh->ouh_magic != OUT_UPDATE_HEADER_MAGIC) {
CERROR("%s: invalid update buffer magic %x expect %x: "
"rc = %d\n", tgt_name(tsi->tsi_tgt), ouh->ouh_magic,
UPDATE_REQUEST_MAGIC, -EPROTO);
RETURN(err_serious(-EPROTO));
}
update_buf_count = ouh->ouh_count;
if (update_buf_count == 0)
RETURN(err_serious(-EPROTO));
OBD_ALLOC(update_bufs, sizeof(*update_bufs) * update_buf_count);
if (update_bufs == NULL)
RETURN(err_serious(-ENOMEM));
if (ouh->ouh_inline_length > 0) {
update_bufs[0] = ouh->ouh_inline_data;
} else {
struct out_update_buffer *tmp;
oub = req_capsule_client_get(pill, &RMF_OUT_UPDATE_BUF);
if (oub == NULL)
GOTO(out_free, rc = err_serious(-EPROTO));
desc = ptlrpc_prep_bulk_exp(pill->rc_req, update_buf_count,
PTLRPC_BULK_OPS_COUNT,
PTLRPC_BULK_GET_SINK |
PTLRPC_BULK_BUF_KVEC,
MDS_BULK_PORTAL,
&ptlrpc_bulk_kvec_ops);
if (desc == NULL)
GOTO(out_free, rc = err_serious(-ENOMEM));
tmp = oub;
for (i = 0; i < update_buf_count; i++, tmp++) {
if (tmp->oub_size >= OUT_MAXREQSIZE)
GOTO(out_free, rc = err_serious(-EPROTO));
OBD_ALLOC(update_bufs[i], tmp->oub_size);
if (update_bufs[i] == NULL)
GOTO(out_free, rc = err_serious(-ENOMEM));
desc->bd_frag_ops->add_iov_frag(desc, update_bufs[i],
tmp->oub_size);
}
pill->rc_req->rq_bulk_write = 1;
rc = sptlrpc_svc_prep_bulk(pill->rc_req, desc);
if (rc != 0)
GOTO(out_free, rc = err_serious(rc));
rc = target_bulk_io(pill->rc_req->rq_export, desc, &lwi);
if (rc < 0)
GOTO(out_free, rc = err_serious(rc));
}
/* validate the request and calculate the total update count and
* set it to reply */
reply_size = 0;
updates = 0;
for (i = 0; i < update_buf_count; i++) {
struct object_update_request *our;
int j;
our = update_bufs[i];
if (ptlrpc_req_need_swab(pill->rc_req))
lustre_swab_object_update_request(our);
if (our->ourq_magic != UPDATE_REQUEST_MAGIC) {
CERROR("%s: invalid update buffer magic %x"
" expect %x: rc = %d\n",
tgt_name(tsi->tsi_tgt), our->ourq_magic,
UPDATE_REQUEST_MAGIC, -EPROTO);
GOTO(out_free, rc = err_serious(-EPROTO));
}
updates += our->ourq_count;
/* need to calculate reply size */
for (j = 0; j < our->ourq_count; j++) {
update = object_update_request_get(our, j, NULL);
if (update == NULL)
GOTO(out, rc = err_serious(-EPROTO));
if (ptlrpc_req_need_swab(pill->rc_req))
lustre_swab_object_update(update);
if (!fid_is_sane(&update->ou_fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt),
PFID(&update->ou_fid), -EPROTO);
GOTO(out, rc = err_serious(-EPROTO));
}
/* XXX: what ou_result_size can be considered safe? */
reply_size += sizeof(reply->ourp_lens[0]);
reply_size += sizeof(struct object_update_result);
reply_size += update->ou_result_size;
}
}
reply_size += sizeof(*reply);
if (unlikely(reply_size > ouh->ouh_reply_size)) {
CERROR("%s: too small reply buf %u for %u, need %u at least\n",
tgt_name(tsi->tsi_tgt), ouh->ouh_reply_size,
updates, reply_size);
GOTO(out_free, rc = err_serious(-EPROTO));
}
req_capsule_set_size(pill, &RMF_OUT_UPDATE_REPLY, RCL_SERVER,
ouh->ouh_reply_size);
rc = req_capsule_server_pack(pill);
if (rc != 0) {
CERROR("%s: Can't pack response: rc = %d\n",
tgt_name(tsi->tsi_tgt), rc);
GOTO(out_free, rc = err_serious(-EPROTO));
}
/* Prepare the update reply buffer */
reply = req_capsule_server_get(pill, &RMF_OUT_UPDATE_REPLY);
if (reply == NULL)
GOTO(out_free, rc = -EPROTO);
reply->ourp_magic = UPDATE_REPLY_MAGIC;
reply->ourp_count = updates;
tti->tti_u.update.tti_update_reply = reply;
tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
/* Walk through updates in the request to execute them */
for (i = 0; i < update_buf_count; i++) {
struct tgt_handler *h;
struct dt_object *dt_obj;
int update_count;
struct object_update_request *our;
int j;
our = update_bufs[i];
update_count = our->ourq_count;
for (j = 0; j < update_count; j++) {
update = object_update_request_get(our, j, NULL);
dt_obj = dt_locate(env, dt, &update->ou_fid);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
if (dt->dd_record_fid_accessed) {
lfsck_pack_rfa(&tti->tti_lr,
lu_object_fid(&dt_obj->do_lu),
LE_FID_ACCESSED,
LFSCK_TYPE_LAYOUT);
tgt_lfsck_in_notify(env, dt, &tti->tti_lr,
NULL);
}
tti->tti_u.update.tti_dt_object = dt_obj;
tti->tti_u.update.tti_update = update;
tti->tti_u.update.tti_update_reply_index = reply_index;
h = out_handler_find(update->ou_type);
if (unlikely(h == NULL)) {
CERROR("%s: unsupported opc: 0x%x\n",
tgt_name(tsi->tsi_tgt), update->ou_type);
GOTO(next, rc = -ENOTSUPP);
}
/* Check resend case only for modifying RPC */
if (h->th_flags & MUTABOR) {
struct ptlrpc_request *req = tgt_ses_req(tsi);
if (out_check_resent(env, dt, dt_obj, req,
out_reconstruct, reply,
reply_index))
GOTO(next, rc = 0);
}
/* start transaction for modification RPC only */
if (h->th_flags & MUTABOR && current_batchid == -1) {
current_batchid = update->ou_batchid;
rc = out_tx_start(env, dt, ta, tsi->tsi_exp);
if (rc != 0)
GOTO(next, rc);
if (update->ou_flags & UPDATE_FL_SYNC)
ta->ta_handle->th_sync = 1;
}
/* Stop the current update transaction, if the update
* has different batchid, or read-only update */
if (((current_batchid != update->ou_batchid) ||
!(h->th_flags & MUTABOR)) &&
ta->ta_handle != NULL) {
rc = out_tx_end(env, ta, rc);
current_batchid = -1;
if (rc != 0)
GOTO(next, rc);
/* start a new transaction if needed */
if (h->th_flags & MUTABOR) {
rc = out_tx_start(env, dt, ta,
tsi->tsi_exp);
if (rc != 0)
GOTO(next, rc);
if (update->ou_flags & UPDATE_FL_SYNC)
ta->ta_handle->th_sync = 1;
current_batchid = update->ou_batchid;
}
}
rc = h->th_act(tsi);
next:
reply_index++;
lu_object_put(env, &dt_obj->do_lu);
if (rc < 0)
GOTO(out, rc);
}
}
out:
if (current_batchid != -1) {
rc1 = out_tx_end(env, ta, rc);
if (rc == 0)
rc = rc1;
}
out_free:
if (update_bufs != NULL) {
if (oub != NULL) {
for (i = 0; i < update_buf_count; i++, oub++) {
if (update_bufs[i] != NULL)
OBD_FREE(update_bufs[i], oub->oub_size);
}
}
OBD_FREE(update_bufs, sizeof(*update_bufs) * update_buf_count);
}
if (desc != NULL)
ptlrpc_free_bulk(desc);
RETURN(rc);
}
static int lfsck_namespace_reset(const struct lu_env *env,
struct lfsck_component *com, bool init)
{
struct lfsck_instance *lfsck = com->lc_lfsck;
struct lfsck_namespace *ns = com->lc_file_ram;
struct dt_object *root;
struct dt_object *dto;
int rc;
ENTRY;
root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
if (IS_ERR(root))
RETURN(PTR_ERR(root));
if (unlikely(!dt_try_as_dir(env, root))) {
lu_object_put(env, &root->do_lu);
RETURN(-ENOTDIR);
}
down_write(&com->lc_sem);
if (init) {
memset(ns, 0, sizeof(*ns));
} else {
__u32 count = ns->ln_success_count;
__u64 last_time = ns->ln_time_last_complete;
memset(ns, 0, sizeof(*ns));
ns->ln_success_count = count;
ns->ln_time_last_complete = last_time;
}
ns->ln_magic = LFSCK_NAMESPACE_MAGIC;
ns->ln_status = LS_INIT;
rc = 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);
if (IS_ERR(dto))
GOTO(out, rc = PTR_ERR(dto));
com->lc_obj = dto;
rc = dto->do_ops->do_index_try(env, dto, &dt_lfsck_features);
if (rc != 0)
GOTO(out, rc);
rc = lfsck_namespace_store(env, com, true);
GOTO(out, rc);
out:
up_write(&com->lc_sem);
lu_object_put(env, &root->do_lu);
return rc;
}
/*
* Set up quota directory (either "quota_master" or "quota_slave") for a QMT or
* QSD instance. This function is also used to create per-pool directory on
* the quota master.
* The directory is created with a local sequence if it does not exist already.
* This function is called at ->ldo_prepare time when the full device stack is
* configured.
*
* \param env - is the environment passed by the caller
* \param dev - is the dt_device where to create the quota directory
* \param parent - is the parent directory. If not specified, the directory
* will be created under the root directory
* \param name - is the name of quota directory to be created
*
* \retval - pointer to quota root dt_object on success, appropriate error
* on failure
*/
struct dt_object *lquota_disk_dir_find_create(const struct lu_env *env,
struct dt_device *dev,
struct dt_object *parent,
const char *name)
{
struct lquota_thread_info *qti = lquota_info(env);
struct dt_object *qt_dir = NULL;
struct local_oid_storage *los = NULL;
int rc;
ENTRY;
/* Set up local storage to create the quota directory.
* We use the sequence reserved for local named objects */
lu_local_name_obj_fid(&qti->qti_fid, 1);
rc = local_oid_storage_init(env, dev, &qti->qti_fid, &los);
if (rc)
RETURN(ERR_PTR(rc));
if (parent == NULL) {
/* Fetch dt object associated with root directory */
rc = dt_root_get(env, dev, &qti->qti_fid);
if (rc)
GOTO(out, rc);
parent = dt_locate_at(env, dev, &qti->qti_fid,
dev->dd_lu_dev.ld_site->ls_top_dev, NULL);
if (IS_ERR(parent))
GOTO(out, rc = PTR_ERR(parent));
} else {
lu_object_get(&parent->do_lu);
}
/* create quota directory to be used for all quota index files */
qt_dir = local_file_find_or_create(env, los, parent, name, S_IFDIR |
S_IRUGO | S_IWUSR | S_IXUGO);
if (IS_ERR(qt_dir))
GOTO(out, rc = PTR_ERR(qt_dir));
/* local_oid_storage_fini() will finalize the local storage device,
* we have to open the object in another device stack */
qti->qti_fid = qt_dir->do_lu.lo_header->loh_fid;
lu_object_put_nocache(env, &qt_dir->do_lu);
qt_dir = dt_locate(env, dev, &qti->qti_fid);
if (IS_ERR(qt_dir))
GOTO(out, rc = PTR_ERR(qt_dir));
if (!dt_try_as_dir(env, qt_dir))
GOTO(out, rc = -ENOTDIR);
EXIT;
out:
if (parent != NULL && !IS_ERR(parent))
lu_object_put(env, &parent->do_lu);
if (los != NULL)
local_oid_storage_fini(env, los);
if (rc) {
if (qt_dir != NULL && !IS_ERR(qt_dir))
lu_object_put(env, &qt_dir->do_lu);
qt_dir = ERR_PTR(rc);
}
return qt_dir;
}
/**
* Object updates between Targets. Because all the updates has been
* dis-assemblied into object updates at sender side, so OUT will
* call OSD API directly to execute these updates.
*
* In DNE phase I all of the updates in the request need to be executed
* in one transaction, and the transaction has to be synchronously.
*
* Please refer to lustre/include/lustre/lustre_idl.h for req/reply
* format.
*/
int out_handle(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
struct thandle_exec_args *ta = &tti->tti_tea;
struct req_capsule *pill = tsi->tsi_pill;
struct dt_device *dt = tsi->tsi_tgt->lut_bottom;
struct object_update_request *ureq;
struct object_update *update;
struct object_update_reply *reply;
int bufsize;
int count;
int old_batchid = -1;
int i;
int rc = 0;
int rc1 = 0;
ENTRY;
req_capsule_set(pill, &RQF_OUT_UPDATE);
ureq = req_capsule_client_get(pill, &RMF_OUT_UPDATE);
if (ureq == NULL) {
CERROR("%s: No buf!: rc = %d\n", tgt_name(tsi->tsi_tgt),
-EPROTO);
RETURN(err_serious(-EPROTO));
}
bufsize = req_capsule_get_size(pill, &RMF_OUT_UPDATE, RCL_CLIENT);
if (bufsize != object_update_request_size(ureq)) {
CERROR("%s: invalid bufsize %d: rc = %d\n",
tgt_name(tsi->tsi_tgt), bufsize, -EPROTO);
RETURN(err_serious(-EPROTO));
}
if (ureq->ourq_magic != UPDATE_REQUEST_MAGIC) {
CERROR("%s: invalid update buffer magic %x expect %x: "
"rc = %d\n", tgt_name(tsi->tsi_tgt), ureq->ourq_magic,
UPDATE_REQUEST_MAGIC, -EPROTO);
RETURN(err_serious(-EPROTO));
}
count = ureq->ourq_count;
if (count <= 0) {
CERROR("%s: empty update: rc = %d\n", tgt_name(tsi->tsi_tgt),
-EPROTO);
RETURN(err_serious(-EPROTO));
}
req_capsule_set_size(pill, &RMF_OUT_UPDATE_REPLY, RCL_SERVER,
OUT_UPDATE_REPLY_SIZE);
rc = req_capsule_server_pack(pill);
if (rc != 0) {
CERROR("%s: Can't pack response: rc = %d\n",
tgt_name(tsi->tsi_tgt), rc);
RETURN(rc);
}
/* Prepare the update reply buffer */
reply = req_capsule_server_get(pill, &RMF_OUT_UPDATE_REPLY);
if (reply == NULL)
RETURN(err_serious(-EPROTO));
object_update_reply_init(reply, count);
tti->tti_u.update.tti_update_reply = reply;
rc = out_tx_start(env, dt, ta, tsi->tsi_exp);
if (rc != 0)
RETURN(rc);
tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
/* Walk through updates in the request to execute them synchronously */
for (i = 0; i < count; i++) {
struct tgt_handler *h;
struct dt_object *dt_obj;
update = object_update_request_get(ureq, i, NULL);
if (update == NULL)
GOTO(out, rc = -EPROTO);
if (ptlrpc_req_need_swab(pill->rc_req))
lustre_swab_object_update(update);
if (old_batchid == -1) {
old_batchid = update->ou_batchid;
} else if (old_batchid != update->ou_batchid) {
/* Stop the current update transaction,
* create a new one */
rc = out_tx_end(env, ta);
if (rc < 0)
RETURN(rc);
rc = out_tx_start(env, dt, ta, tsi->tsi_exp);
if (rc != 0)
RETURN(rc);
old_batchid = update->ou_batchid;
}
if (!fid_is_sane(&update->ou_fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(&update->ou_fid),
-EPROTO);
GOTO(out, rc = err_serious(-EPROTO));
}
dt_obj = dt_locate(env, dt, &update->ou_fid);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
if (dt->dd_record_fid_accessed) {
lfsck_pack_rfa(&tti->tti_lr,
lu_object_fid(&dt_obj->do_lu));
tgt_lfsck_in_notify(env, dt, &tti->tti_lr);
}
tti->tti_u.update.tti_dt_object = dt_obj;
tti->tti_u.update.tti_update = update;
tti->tti_u.update.tti_update_reply_index = i;
h = out_handler_find(update->ou_type);
if (likely(h != NULL)) {
/* For real modification RPC, check if the update
* has been executed */
if (h->th_flags & MUTABOR) {
struct ptlrpc_request *req = tgt_ses_req(tsi);
if (out_check_resent(env, dt, dt_obj, req,
out_reconstruct, reply, i))
GOTO(next, rc);
}
rc = h->th_act(tsi);
} else {
CERROR("%s: The unsupported opc: 0x%x\n",
tgt_name(tsi->tsi_tgt), update->ou_type);
lu_object_put(env, &dt_obj->do_lu);
GOTO(out, rc = -ENOTSUPP);
}
next:
lu_object_put(env, &dt_obj->do_lu);
if (rc < 0)
GOTO(out, rc);
}
out:
rc1 = out_tx_end(env, ta);
if (rc == 0)
rc = rc1;
RETURN(rc);
}
int fld_index_init(const struct lu_env *env, struct lu_server_fld *fld,
struct dt_device *dt, int type)
{
struct dt_object *dt_obj = NULL;
struct lu_fid fid;
struct lu_attr *attr = NULL;
struct lu_seq_range *range = NULL;
struct fld_thread_info *info;
struct dt_object_format dof;
struct dt_it *it;
const struct dt_it_ops *iops;
int rc;
__u32 index;
ENTRY;
info = lu_context_key_get(&env->le_ctx, &fld_thread_key);
LASSERT(info != NULL);
lu_local_obj_fid(&fid, FLD_INDEX_OID);
OBD_ALLOC_PTR(attr);
if (attr == NULL)
RETURN(-ENOMEM);
memset(attr, 0, sizeof(*attr));
attr->la_valid = LA_MODE;
attr->la_mode = S_IFREG | 0666;
dof.dof_type = DFT_INDEX;
dof.u.dof_idx.di_feat = &fld_index_features;
dt_obj = dt_locate(env, dt, &fid);
if (IS_ERR(dt_obj)) {
rc = PTR_ERR(dt_obj);
dt_obj = NULL;
GOTO(out, rc);
}
LASSERT(dt_obj != NULL);
if (!dt_object_exists(dt_obj)) {
lu_object_put(env, &dt_obj->do_lu);
dt_obj = dt_find_or_create(env, dt, &fid, &dof, attr);
fld->lsf_new = 1;
if (IS_ERR(dt_obj)) {
rc = PTR_ERR(dt_obj);
CERROR("%s: Can't find \"%s\" obj %d\n", fld->lsf_name,
fld_index_name, rc);
dt_obj = NULL;
GOTO(out, rc);
}
}
fld->lsf_obj = dt_obj;
rc = dt_obj->do_ops->do_index_try(env, dt_obj, &fld_index_features);
if (rc != 0) {
CERROR("%s: File \"%s\" is not an index: rc = %d!\n",
fld->lsf_name, fld_index_name, rc);
GOTO(out, rc);
}
range = &info->fti_rec;
/* Load fld entry to cache */
iops = &dt_obj->do_index_ops->dio_it;
it = iops->init(env, dt_obj, 0);
if (IS_ERR(it))
GOTO(out, rc = PTR_ERR(it));
rc = iops->load(env, it, 0);
if (rc < 0)
GOTO(out_it_fini, rc);
if (rc > 0) {
/* Load FLD entry into server cache */
do {
rc = iops->rec(env, it, (struct dt_rec *)range, 0);
if (rc != 0)
GOTO(out_it_put, rc);
LASSERT(range != NULL);
range_be_to_cpu(range, range);
rc = fld_cache_insert(fld->lsf_cache, range);
if (rc != 0)
GOTO(out_it_put, rc);
rc = iops->next(env, it);
} while (rc == 0);
} else {
fld->lsf_new = 1;
}
rc = fld_name_to_index(fld->lsf_name, &index);
if (rc < 0)
GOTO(out_it_put, rc);
else
rc = 0;
if (index == 0 && type == LU_SEQ_RANGE_MDT) {
/* Note: fld_insert_entry will detect whether these
* special entries already exist inside FLDB */
mutex_lock(&fld->lsf_lock);
rc = fld_insert_special_entries(env, fld);
mutex_unlock(&fld->lsf_lock);
if (rc != 0) {
CERROR("%s: insert special entries failed!: rc = %d\n",
fld->lsf_name, rc);
GOTO(out_it_put, rc);
}
}
out_it_put:
iops->put(env, it);
out_it_fini:
iops->fini(env, it);
out:
if (attr != NULL)
OBD_FREE_PTR(attr);
if (rc < 0) {
if (dt_obj != NULL)
lu_object_put(env, &dt_obj->do_lu);
fld->lsf_obj = NULL;
}
RETURN(rc);
}
