static void lfsck_bookmark_le_to_cpu(struct lfsck_bookmark *des,
struct lfsck_bookmark *src)
{
des->lb_magic = le32_to_cpu(src->lb_magic);
des->lb_version = le16_to_cpu(src->lb_version);
des->lb_param = le16_to_cpu(src->lb_param);
des->lb_speed_limit = le32_to_cpu(src->lb_speed_limit);
des->lb_async_windows = le16_to_cpu(src->lb_async_windows);
fid_le_to_cpu(&des->lb_lpf_fid, &src->lb_lpf_fid);
fid_le_to_cpu(&des->lb_last_fid, &src->lb_last_fid);
}
static int out_destroy(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct lu_fid *fid;
int rc;
ENTRY;
fid = &update->u_fid;
fid_le_to_cpu(fid, fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
RETURN(err_serious(-EPROTO));
}
if (!lu_object_exists(&obj->do_lu))
RETURN(-ENOENT);
rc = out_tx_destroy(tsi->tsi_env, obj, &tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
static void lfsck_namespace_le_to_cpu(struct lfsck_namespace *des,
struct lfsck_namespace *src)
{
des->ln_magic = le32_to_cpu(src->ln_magic);
des->ln_status = le32_to_cpu(src->ln_status);
des->ln_flags = le32_to_cpu(src->ln_flags);
des->ln_success_count = le32_to_cpu(src->ln_success_count);
des->ln_run_time_phase1 = le32_to_cpu(src->ln_run_time_phase1);
des->ln_run_time_phase2 = le32_to_cpu(src->ln_run_time_phase2);
des->ln_time_last_complete = le64_to_cpu(src->ln_time_last_complete);
des->ln_time_latest_start = le64_to_cpu(src->ln_time_latest_start);
des->ln_time_last_checkpoint =
le64_to_cpu(src->ln_time_last_checkpoint);
lfsck_position_le_to_cpu(&des->ln_pos_latest_start,
&src->ln_pos_latest_start);
lfsck_position_le_to_cpu(&des->ln_pos_last_checkpoint,
&src->ln_pos_last_checkpoint);
lfsck_position_le_to_cpu(&des->ln_pos_first_inconsistent,
&src->ln_pos_first_inconsistent);
des->ln_items_checked = le64_to_cpu(src->ln_items_checked);
des->ln_items_repaired = le64_to_cpu(src->ln_items_repaired);
des->ln_items_failed = le64_to_cpu(src->ln_items_failed);
des->ln_dirs_checked = le64_to_cpu(src->ln_dirs_checked);
des->ln_mlinked_checked = le64_to_cpu(src->ln_mlinked_checked);
des->ln_objs_checked_phase2 = le64_to_cpu(src->ln_objs_checked_phase2);
des->ln_objs_repaired_phase2 =
le64_to_cpu(src->ln_objs_repaired_phase2);
des->ln_objs_failed_phase2 = le64_to_cpu(src->ln_objs_failed_phase2);
des->ln_objs_nlink_repaired = le64_to_cpu(src->ln_objs_nlink_repaired);
des->ln_objs_lost_found = le64_to_cpu(src->ln_objs_lost_found);
fid_le_to_cpu(&des->ln_fid_latest_scanned_phase2,
&src->ln_fid_latest_scanned_phase2);
}
static int out_create(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct dt_object_format *dof = &tti->tti_u.update.tti_update_dof;
struct obdo *lobdo = &tti->tti_u.update.tti_obdo;
struct lu_attr *attr = &tti->tti_attr;
struct lu_fid *fid = NULL;
struct obdo *wobdo;
int size;
int rc;
ENTRY;
wobdo = update_param_buf(update, 0, &size);
if (wobdo == NULL || size != sizeof(*wobdo)) {
CERROR("%s: obdo is NULL, invalid RPC: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
obdo_le_to_cpu(wobdo, wobdo);
lustre_get_wire_obdo(NULL, lobdo, wobdo);
la_from_obdo(attr, lobdo, lobdo->o_valid);
dof->dof_type = dt_mode_to_dft(attr->la_mode);
if (S_ISDIR(attr->la_mode)) {
int size;
fid = update_param_buf(update, 1, &size);
if (fid == NULL || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid_le_to_cpu(fid, fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid fid "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
RETURN(err_serious(-EPROTO));
}
}
if (lu_object_exists(&obj->do_lu))
RETURN(-EEXIST);
rc = out_tx_create(tsi->tsi_env, obj, attr, fid, dof,
&tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
static void lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie)
{
fid_le_to_cpu(&ent->lde_fid, &ent->lde_fid);
*cookie = le64_to_cpu(ent->lde_hash);
ent->lde_reclen = le16_to_cpu(ent->lde_reclen);
ent->lde_namelen = le16_to_cpu(ent->lde_namelen);
ent->lde_attrs = le32_to_cpu(ent->lde_attrs);
/* Make sure the name is terminated with '0'.
* The data (type) after ent::lde_name maybe
* broken, but we do not care. */
ent->lde_name[ent->lde_namelen] = 0;
}
static int out_create(struct mdt_thread_info *info)
{
struct update *update = info->mti_u.update.mti_update;
struct dt_object *obj = info->mti_u.update.mti_dt_object;
struct dt_object_format *dof = &info->mti_u.update.mti_update_dof;
struct obdo *lobdo = &info->mti_u.update.mti_obdo;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct lu_fid *fid = NULL;
struct obdo *wobdo;
int size;
int rc;
ENTRY;
wobdo = update_param_buf(update, 0, &size);
if (wobdo == NULL || size != sizeof(*wobdo)) {
CERROR("%s: obdo is NULL, invalid RPC: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
obdo_le_to_cpu(wobdo, wobdo);
lustre_get_wire_obdo(lobdo, wobdo);
la_from_obdo(attr, lobdo, lobdo->o_valid);
dof->dof_type = dt_mode_to_dft(attr->la_mode);
if (S_ISDIR(attr->la_mode)) {
int size;
fid = update_param_buf(update, 1, &size);
if (fid == NULL || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid_le_to_cpu(fid, fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid fid "DFID": rc = %d\n",
mdt_obd_name(info->mti_mdt),
PFID(fid), -EPROTO);
RETURN(err_serious(-EPROTO));
}
}
rc = out_tx_create(info, obj, attr, fid, dof, &info->mti_handle,
info->mti_u.update.mti_update_reply,
info->mti_u.update.mti_update_reply_index);
RETURN(rc);
}
static int ll_nfs_get_name_filldir(void *cookie, const char *name, int namelen,
loff_t hash, u64 ino, unsigned type)
{
/* It is hack to access lde_fid for comparison with lgd_fid.
* So the input 'name' must be part of the 'lu_dirent'. */
struct lu_dirent *lde = container_of0(name, struct lu_dirent, lde_name);
struct ll_getname_data *lgd = cookie;
struct lu_fid fid;
fid_le_to_cpu(&fid, &lde->lde_fid);
if (lu_fid_eq(&fid, &lgd->lgd_fid)) {
memcpy(lgd->lgd_name, name, namelen);
lgd->lgd_name[namelen] = 0;
lgd->lgd_found = 1;
}
return lgd->lgd_found;
}
void mdt_dump_lmv(unsigned int level, const union lmv_mds_md *lmv)
{
const struct lmv_mds_md_v1 *lmm1;
int i;
if (likely(!cfs_cdebug_show(level, DEBUG_SUBSYSTEM)))
return;
lmm1 = &lmv->lmv_md_v1;
CDEBUG(level, "magic 0x%08X, master %#X stripe_count %#x\n",
le32_to_cpu(lmm1->lmv_magic),
le32_to_cpu(lmm1->lmv_master_mdt_index),
le32_to_cpu(lmm1->lmv_stripe_count));
for (i = 0; i < le32_to_cpu(lmm1->lmv_stripe_count); i++) {
struct lu_fid fid;
fid_le_to_cpu(&fid, &lmm1->lmv_stripe_fids[i]);
CDEBUG(level, "idx %u subobj "DFID"\n", i, PFID(&fid));
}
}
static int out_index_insert(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct lu_fid *fid;
char *name;
int rc = 0;
int size;
ENTRY;
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for index insert: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid = (struct lu_fid *)update_param_buf(update, 1, &size);
if (fid == NULL || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid_le_to_cpu(fid, fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
RETURN(err_serious(-EPROTO));
}
rc = out_tx_index_insert(tsi->tsi_env, obj, name, fid,
&tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
static int out_index_insert(struct mdt_thread_info *info)
{
struct update *update = info->mti_u.update.mti_update;
struct dt_object *obj = info->mti_u.update.mti_dt_object;
struct lu_fid *fid;
char *name;
int rc = 0;
int size;
ENTRY;
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for index insert: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid = (struct lu_fid *)update_param_buf(update, 1, &size);
if (fid == NULL || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid_le_to_cpu(fid, fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
mdt_obd_name(info->mti_mdt), PFID(fid),
-EPROTO);
RETURN(err_serious(-EPROTO));
}
rc = out_tx_index_insert(info, obj, name, fid, &info->mti_handle,
info->mti_u.update.mti_update_reply,
info->mti_u.update.mti_update_reply_index);
RETURN(rc);
}
/**
* delete unreferenced files and directories in the PENDING directory
*
* Files that remain in PENDING after client->MDS recovery has completed
* have to be referenced (opened) by some client during recovery, or they
* will be deleted here (for clients that did not complete recovery).
*
* \param mdd MDD device finishing recovery
*
* \retval 0 success
* \retval -ve error
*/
static int orph_index_iterate(const struct lu_env *env,
struct mdd_device *mdd)
{
struct dt_object *dor = mdd->mdd_orphans;
struct lu_dirent *ent = &mdd_env_info(env)->mti_ent;
const struct dt_it_ops *iops;
struct dt_it *it;
struct lu_fid fid;
int key_sz = 0;
int rc;
__u64 cookie;
ENTRY;
/* In recovery phase, do not need for any lock here */
iops = &dor->do_index_ops->dio_it;
it = iops->init(env, dor, LUDA_64BITHASH, BYPASS_CAPA);
if (IS_ERR(it)) {
rc = PTR_ERR(it);
CERROR("%s: cannot clean PENDING: rc = %d\n",
mdd2obd_dev(mdd)->obd_name, rc);
GOTO(out, rc);
}
rc = iops->load(env, it, 0);
if (rc < 0)
GOTO(out_put, rc);
if (rc == 0) {
CERROR("%s: error loading iterator to clean PENDING\n",
mdd2obd_dev(mdd)->obd_name);
/* Index contains no zero key? */
GOTO(out_put, rc = -EIO);
}
do {
key_sz = iops->key_size(env, it);
/* filter out "." and ".." entries from PENDING dir. */
if (key_sz < 8)
goto next;
rc = iops->rec(env, it, (struct dt_rec *)ent, LUDA_64BITHASH);
if (rc != 0) {
CERROR("%s: fail to get FID for orphan it: rc = %d\n",
mdd2obd_dev(mdd)->obd_name, rc);
goto next;
}
fid_le_to_cpu(&fid, &ent->lde_fid);
if (!fid_is_sane(&fid)) {
CERROR("%s: bad FID "DFID" cleaning PENDING\n",
mdd2obd_dev(mdd)->obd_name, PFID(&fid));
goto next;
}
/* kill orphan object */
cookie = iops->store(env, it);
iops->put(env, it);
rc = orph_key_test_and_del(env, mdd, &fid,
(struct dt_key *)ent->lde_name);
/* after index delete reset iterator */
if (rc == 0)
rc = iops->get(env, it, (const void *)"");
else
rc = iops->load(env, it, cookie);
next:
rc = iops->next(env, it);
} while (rc == 0);
GOTO(out_put, rc = 0);
out_put:
iops->put(env, it);
iops->fini(env, it);
out:
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);
}
ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
char *buf, size_t nbytes)
{
struct llu_inode_info *lli = llu_i2info(dir);
struct intnl_stat *st = llu_i2stat(dir);
loff_t pos = *basep;
struct ll_dir_chain chain;
struct page *page;
int filled = 0;
int rc;
int done;
__u16 type;
ENTRY;
liblustre_wait_event(0);
if (st->st_size == 0) {
CWARN("dir size is 0?\n");
RETURN(0);
}
if (pos == MDS_DIR_END_OFF)
/*
* end-of-file.
*/
RETURN(0);
rc = 0;
done = 0;
ll_dir_chain_init(&chain);
page = llu_dir_read_page(dir, pos, 0, &chain);
while (rc == 0 && !done) {
struct lu_dirpage *dp;
struct lu_dirent *ent;
if (!IS_ERR(page)) {
/*
* If page is empty (end of directoryis reached),
* use this value.
*/
__u64 hash = MDS_DIR_END_OFF;
__u64 next;
dp = page->addr;
for (ent = lu_dirent_start(dp); ent != NULL && !done;
ent = lu_dirent_next(ent)) {
char *name;
int namelen;
struct lu_fid fid;
__u64 ino;
hash = le64_to_cpu(ent->lde_hash);
namelen = le16_to_cpu(ent->lde_namelen);
if (hash < pos)
/*
* Skip until we find target hash
* value.
*/
continue;
if (namelen == 0)
/*
* Skip dummy record.
*/
continue;
fid = ent->lde_fid;
name = ent->lde_name;
fid_le_to_cpu(&fid, &fid);
ino = cl_fid_build_ino(&fid, 0);
type = ll_dirent_type_get(ent);
done = filldir(buf, nbytes, name, namelen,
(loff_t)hash, ino, type,
&filled);
}
next = le64_to_cpu(dp->ldp_hash_end);
OBD_PAGE_FREE(page);
if (!done) {
pos = next;
if (pos == MDS_DIR_END_OFF)
/*
* End of directory reached.
*/
done = 1;
else if (1 /* chain is exhausted*/)
/*
* Normal case: continue to the next
* page.
*/
page = llu_dir_read_page(dir, pos, 1,
&chain);
else {
/*
* go into overflow page.
*/
}
} else {
pos = hash;
if (filled == 0)
GOTO(out, filled = -EINVAL);
}
} else {
rc = PTR_ERR(page);
CERROR("error reading dir "DFID" at %lu: rc %d\n",
PFID(&lli->lli_fid), (unsigned long)pos, rc);
}
}
lli->lli_dir_pos = (loff_t)pos;
*basep = lli->lli_dir_pos;
out:
ll_dir_chain_fini(&chain);
liblustre_wait_event(0);
RETURN(filled);
}
int ll_dir_read(struct inode *inode, __u64 *ppos, struct md_op_data *op_data,
struct dir_context *ctx)
{
struct ll_sb_info *sbi = ll_i2sbi(inode);
__u64 pos = *ppos;
int is_api32 = ll_need_32bit_api(sbi);
int is_hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
struct page *page;
bool done = false;
int rc = 0;
page = ll_get_dir_page(inode, op_data, pos);
while (rc == 0 && !done) {
struct lu_dirpage *dp;
struct lu_dirent *ent;
__u64 hash;
__u64 next;
if (IS_ERR(page)) {
rc = PTR_ERR(page);
break;
}
hash = MDS_DIR_END_OFF;
dp = page_address(page);
for (ent = lu_dirent_start(dp); ent && !done;
ent = lu_dirent_next(ent)) {
__u16 type;
int namelen;
struct lu_fid fid;
__u64 lhash;
__u64 ino;
hash = le64_to_cpu(ent->lde_hash);
if (hash < pos)
/*
* Skip until we find target hash
* value.
*/
continue;
namelen = le16_to_cpu(ent->lde_namelen);
if (namelen == 0)
/*
* Skip dummy record.
*/
continue;
if (is_api32 && is_hash64)
lhash = hash >> 32;
else
lhash = hash;
fid_le_to_cpu(&fid, &ent->lde_fid);
ino = cl_fid_build_ino(&fid, is_api32);
type = ll_dirent_type_get(ent);
ctx->pos = lhash;
/* For 'll_nfs_get_name_filldir()', it will try
* to access the 'ent' through its 'lde_name',
* so the parameter 'name' for 'ctx->actor()'
* must be part of the 'ent'.
*/
done = !dir_emit(ctx, ent->lde_name,
namelen, ino, type);
}
if (done) {
pos = hash;
ll_release_page(inode, page, false);
break;
}
next = le64_to_cpu(dp->ldp_hash_end);
pos = next;
if (pos == MDS_DIR_END_OFF) {
/*
* End of directory reached.
*/
done = 1;
ll_release_page(inode, page, false);
} else {
/*
* Normal case: continue to the next
* page.
*/
ll_release_page(inode, page,
le32_to_cpu(dp->ldp_flags) &
LDF_COLLIDE);
next = pos;
page = ll_get_dir_page(inode, op_data, pos);
}
}
/**
* Object updates between Targets. Because all the updates has been
* dis-assemblied into object updates in master MDD layer, so out
* will skip MDD layer, and call OSD API directly to execute these
* updates.
*
* In 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 mdt_thread_info *info)
{
struct req_capsule *pill = info->mti_pill;
struct update_buf *ubuf;
struct update *update;
struct thandle_exec_args *th = &info->mti_handle;
int bufsize;
int count;
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",
mdt_obd_name(info->mti_mdt), bufsize, -EPROTO);
RETURN(err_serious(-EPROTO));
}
ubuf = req_capsule_client_get(pill, &RMF_UPDATE);
if (ubuf == NULL) {
CERROR("%s: No buf!: rc = %d\n", mdt_obd_name(info->mti_mdt),
-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",
mdt_obd_name(info->mti_mdt), 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",
mdt_obd_name(info->mti_mdt), -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",
mdt_obd_name(info->mti_mdt), rc);
RETURN(rc);
}
/* Prepare the update reply buffer */
info->mti_u.update.mti_update_reply =
req_capsule_server_get(pill, &RMF_UPDATE_REPLY);
update_init_reply_buf(info->mti_u.update.mti_update_reply, count);
rc = out_tx_start(info->mti_env, info->mti_mdt, th);
if (rc != 0)
RETURN(rc);
/* 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 out_handler *h;
struct dt_object *dt_obj;
update = (struct update *)((char *)ubuf + off);
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",
mdt_obd_name(info->mti_mdt),
PFID(&update->u_fid), -EPROTO);
GOTO(out, rc = err_serious(-EPROTO));
}
dt_obj = out_object_find(info, &update->u_fid);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
info->mti_u.update.mti_dt_object = dt_obj;
info->mti_u.update.mti_update = update;
info->mti_u.update.mti_update_reply_index = i;
h = mdt_handler_find(update->u_type, out_handlers);
if (likely(h != NULL)) {
rc = h->mh_act(info);
} else {
CERROR("%s: The unsupported opc: 0x%x\n",
mdt_obd_name(info->mti_mdt), update->u_type);
lu_object_put(info->mti_env, &dt_obj->do_lu);
GOTO(out, rc = -ENOTSUPP);
}
lu_object_put(info->mti_env, &dt_obj->do_lu);
if (rc < 0)
GOTO(out, rc);
off += cfs_size_round(update_size(update));
}
out:
rc1 = out_tx_end(info, th);
rc = rc == 0 ? rc1 : rc;
info->mti_fail_id = OBD_FAIL_UPDATE_OBJ_NET;
RETURN(rc);
}
