/**
* All MDT server handle fld lookup operation. But only MDT0 has fld index.
* if entry is not found in cache we need to forward lookup request to MDT0
*/
static int fld_handle_lookup(struct tgt_session_info *tsi)
{
struct obd_export *exp = tsi->tsi_exp;
struct lu_site *site = exp->exp_obd->obd_lu_dev->ld_site;
struct lu_server_fld *fld;
struct lu_seq_range *in;
struct lu_seq_range *out;
int rc;
ENTRY;
in = req_capsule_client_get(tsi->tsi_pill, &RMF_FLD_MDFLD);
if (in == NULL)
RETURN(err_serious(-EPROTO));
rc = req_capsule_server_pack(tsi->tsi_pill);
if (unlikely(rc != 0))
RETURN(err_serious(rc));
out = req_capsule_server_get(tsi->tsi_pill, &RMF_FLD_MDFLD);
if (out == NULL)
RETURN(err_serious(-EPROTO));
*out = *in;
fld = lu_site2seq(site)->ss_server_fld;
rc = fld_server_lookup(tsi->tsi_env, fld, in->lsr_start, out);
CDEBUG(D_INFO, "%s: FLD req handle: error %d (range: "DRANGE")\n",
fld->lsf_name, rc, PRANGE(out));
RETURN(rc);
}
int llog_origin_handle_destroy(struct ptlrpc_request *req)
{
struct llogd_body *body;
struct llog_logid *logid = NULL;
struct llog_ctxt *ctxt;
int rc;
ENTRY;
body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
if (body == NULL)
RETURN(err_serious(-EFAULT));
rc = req_capsule_server_pack(&req->rq_pill);
if (rc < 0)
RETURN(err_serious(-ENOMEM));
if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
logid = &body->lgd_logid;
if (!(body->lgd_llh_flags & LLOG_F_IS_PLAIN))
CERROR("%s: wrong llog flags %x\n",
req->rq_export->exp_obd->obd_name, body->lgd_llh_flags);
ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
RETURN(-ENODEV);
rc = llog_erase(req->rq_svc_thread->t_env, ctxt, logid, NULL);
llog_ctxt_put(ctxt);
RETURN(rc);
}
static int fld_handle_read(struct tgt_session_info *tsi)
{
struct obd_export *exp = tsi->tsi_exp;
struct lu_site *site = exp->exp_obd->obd_lu_dev->ld_site;
struct lu_seq_range *in;
void *data;
int rc;
ENTRY;
req_capsule_set(tsi->tsi_pill, &RQF_FLD_READ);
in = req_capsule_client_get(tsi->tsi_pill, &RMF_FLD_MDFLD);
if (in == NULL)
RETURN(err_serious(-EPROTO));
req_capsule_set_size(tsi->tsi_pill, &RMF_GENERIC_DATA, RCL_SERVER,
PAGE_CACHE_SIZE);
rc = req_capsule_server_pack(tsi->tsi_pill);
if (unlikely(rc != 0))
RETURN(err_serious(rc));
data = req_capsule_server_get(tsi->tsi_pill, &RMF_GENERIC_DATA);
rc = fld_server_read(tsi->tsi_env, lu_site2seq(site)->ss_server_fld,
in, data, PAGE_CACHE_SIZE);
RETURN(rc);
}
int llog_origin_handle_next_block(struct ptlrpc_request *req)
{
struct llog_handle *loghandle;
struct llogd_body *body;
struct llogd_body *repbody;
struct llog_ctxt *ctxt;
__u32 flags;
void *ptr;
int rc;
ENTRY;
body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
if (body == NULL)
RETURN(err_serious(-EFAULT));
req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
LLOG_MIN_CHUNK_SIZE);
rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(err_serious(-ENOMEM));
if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d\n",
req->rq_export->exp_obd->obd_name, body->lgd_ctxt_idx);
RETURN(-EPROTO);
}
ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
RETURN(-ENODEV);
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
&body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
if (rc)
GOTO(out_ctxt, rc);
flags = body->lgd_llh_flags;
rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
NULL);
if (rc)
GOTO(out_close, rc);
repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
*repbody = *body;
ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
rc = llog_next_block(req->rq_svc_thread->t_env, loghandle,
&repbody->lgd_saved_index, repbody->lgd_index,
&repbody->lgd_cur_offset, ptr,
LLOG_MIN_CHUNK_SIZE);
if (rc)
GOTO(out_close, rc);
EXIT;
out_close:
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
static int seq_handler(struct tgt_session_info *tsi)
{
struct lu_seq_range *out, *tmp;
struct lu_site *site;
int rc;
__u32 *opc;
ENTRY;
LASSERT(!(lustre_msg_get_flags(tgt_ses_req(tsi)->rq_reqmsg) & MSG_REPLAY));
site = tsi->tsi_exp->exp_obd->obd_lu_dev->ld_site;
LASSERT(site != NULL);
opc = req_capsule_client_get(tsi->tsi_pill, &RMF_SEQ_OPC);
if (opc != NULL) {
out = req_capsule_server_get(tsi->tsi_pill, &RMF_SEQ_RANGE);
if (out == NULL)
RETURN(err_serious(-EPROTO));
tmp = req_capsule_client_get(tsi->tsi_pill, &RMF_SEQ_RANGE);
/* seq client passed mdt id, we need to pass that using out
* range parameter */
out->lsr_index = tmp->lsr_index;
out->lsr_flags = tmp->lsr_flags;
rc = seq_server_handle(site, tsi->tsi_env, *opc, out);
} else {
rc = err_serious(-EPROTO);
}
RETURN(rc);
}
/* Only open is supported, no new llog can be created remotely */
int llog_origin_handle_open(struct ptlrpc_request *req)
{
struct obd_export *exp = req->rq_export;
struct obd_device *obd = exp->exp_obd;
struct llog_handle *loghandle;
struct llogd_body *body;
struct llog_logid *logid = NULL;
struct llog_ctxt *ctxt;
char *name = NULL;
int rc;
ENTRY;
body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
if (body == NULL)
RETURN(err_serious(-EFAULT));
rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(err_serious(-ENOMEM));
if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
logid = &body->lgd_logid;
if (req_capsule_field_present(&req->rq_pill, &RMF_NAME, RCL_CLIENT)) {
name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
if (name == NULL)
RETURN(-EFAULT);
CDEBUG(D_INFO, "%s: opening log %s\n", obd->obd_name, name);
}
if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d name=%s\n",
obd->obd_name, body->lgd_ctxt_idx, name);
RETURN(-EPROTO);
}
ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
if (ctxt == NULL) {
CDEBUG(D_WARNING, "%s: no ctxt. group=%p idx=%d name=%s\n",
obd->obd_name, &obd->obd_olg, body->lgd_ctxt_idx, name);
RETURN(-ENODEV);
}
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, logid,
name, LLOG_OPEN_EXISTS);
if (rc)
GOTO(out_ctxt, rc);
body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
body->lgd_logid = loghandle->lgh_id;
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
EXIT;
out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
static int out_create(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct object_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 = object_update_param_get(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 (update->ou_params_count > 1) {
int size;
fid = object_update_param_get(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));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
lustre_swab_lu_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);
}
int llog_origin_handle_read_header(struct ptlrpc_request *req)
{
struct llog_handle *loghandle;
struct llogd_body *body;
struct llog_log_hdr *hdr;
struct llog_ctxt *ctxt;
__u32 flags;
int rc;
ENTRY;
body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
if (body == NULL)
RETURN(err_serious(-EFAULT));
rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(err_serious(-ENOMEM));
if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d\n",
req->rq_export->exp_obd->obd_name, body->lgd_ctxt_idx);
RETURN(-EPROTO);
}
ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
RETURN(-ENODEV);
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
&body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
if (rc)
GOTO(out_ctxt, rc);
/*
* llog_init_handle() reads the llog header
*/
flags = body->lgd_llh_flags;
rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
NULL);
if (rc)
GOTO(out_close, rc);
flags = loghandle->lgh_hdr->llh_flags;
hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR);
*hdr = *loghandle->lgh_hdr;
EXIT;
out_close:
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
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 out_xattr_set(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct object_update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct lu_buf *lbuf = &tti->tti_buf;
char *name;
char *buf;
char *tmp;
int buf_len = 0;
int flag;
int rc;
ENTRY;
name = object_update_param_get(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for xattr set: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
buf = object_update_param_get(update, 1, &buf_len);
if (buf == NULL || buf_len == 0) {
CERROR("%s: empty buf for xattr set: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
lbuf->lb_buf = buf;
lbuf->lb_len = buf_len;
tmp = (char *)object_update_param_get(update, 2, NULL);
if (tmp == NULL) {
CERROR("%s: empty flag for xattr set: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
__swab32s((__u32 *)tmp);
flag = *(int *)tmp;
rc = out_tx_xattr_set(tsi->tsi_env, obj, lbuf, name, flag,
&tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
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 int out_attr_set(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 lu_attr *attr = &tti->tti_attr;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct obdo *lobdo = &tti->tti_u.update.tti_obdo;
struct obdo *wobdo;
int size;
int rc;
ENTRY;
wobdo = update_param_buf(update, 0, &size);
if (wobdo == NULL || size != sizeof(*wobdo)) {
CERROR("%s: empty obdo in the update: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
attr->la_valid = 0;
attr->la_valid = 0;
obdo_le_to_cpu(wobdo, wobdo);
lustre_get_wire_obdo(NULL, lobdo, wobdo);
la_from_obdo(attr, lobdo, lobdo->o_valid);
rc = out_tx_attr_set(tsi->tsi_env, obj, attr, &tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
static int out_attr_set(struct mdt_thread_info *info)
{
struct update *update = info->mti_u.update.mti_update;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct dt_object *obj = info->mti_u.update.mti_dt_object;
struct obdo *lobdo = &info->mti_u.update.mti_obdo;
struct obdo *wobdo;
int size;
int rc;
ENTRY;
wobdo = update_param_buf(update, 0, &size);
if (wobdo == NULL || size != sizeof(*wobdo)) {
CERROR("%s: empty obdo in the update: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
attr->la_valid = 0;
attr->la_valid = 0;
obdo_le_to_cpu(wobdo, wobdo);
lustre_get_wire_obdo(lobdo, wobdo);
la_from_obdo(attr, lobdo, lobdo->o_valid);
rc = out_tx_attr_set(info, obj, attr, &info->mti_handle,
info->mti_u.update.mti_update_reply,
info->mti_u.update.mti_update_reply_index);
RETURN(rc);
}
static int out_xattr_set(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_buf *lbuf = &info->mti_buf;
char *name;
char *buf;
char *tmp;
int buf_len = 0;
int flag;
int rc;
ENTRY;
name = update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for xattr set: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
buf = (char *)update_param_buf(update, 1, &buf_len);
if (buf == NULL || buf_len == 0) {
CERROR("%s: empty buf for xattr set: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
lbuf->lb_buf = buf;
lbuf->lb_len = buf_len;
tmp = (char *)update_param_buf(update, 2, NULL);
if (tmp == NULL) {
CERROR("%s: empty flag for xattr set: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
flag = le32_to_cpu(*(int *)tmp);
rc = out_tx_xattr_set(info, obj, lbuf, name, flag, &info->mti_handle,
info->mti_u.update.mti_update_reply,
info->mti_u.update.mti_update_reply_index);
RETURN(rc);
}
static int mdt_reint_create(struct mdt_thread_info *info,
struct mdt_lock_handle *lhc)
{
struct ptlrpc_request *req = mdt_info_req(info);
int rc;
ENTRY;
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_CREATE))
RETURN(err_serious(-ESTALE));
if (info->mti_dlm_req)
ldlm_request_cancel(mdt_info_req(info), info->mti_dlm_req, 0);
switch (info->mti_attr.ma_attr.la_mode & S_IFMT) {
case S_IFDIR:{
/* Cross-ref case. */
/* TODO: we can add LPROC_MDT_CROSS for cross-ref stats */
if (info->mti_cross_ref) {
rc = mdt_md_mkobj(info);
} else {
LASSERT(info->mti_rr.rr_namelen > 0);
mdt_counter_incr(req->rq_export, LPROC_MDT_MKDIR);
rc = mdt_md_create(info);
}
break;
}
case S_IFREG:
case S_IFLNK:
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:{
/* Special file should stay on the same node as parent. */
LASSERT(info->mti_rr.rr_namelen > 0);
mdt_counter_incr(req->rq_export, LPROC_MDT_MKNOD);
rc = mdt_md_create(info);
break;
}
default:
rc = err_serious(-EOPNOTSUPP);
}
RETURN(rc);
}
int llog_origin_handle_close(struct ptlrpc_request *req)
{
int rc;
ENTRY;
rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(err_serious(-ENOMEM));
RETURN(0);
}
static int out_index_insert(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct object_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 = object_update_param_get(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 = object_update_param_get(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));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
lustre_swab_lu_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_lookup(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
struct update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
char *name;
int rc;
ENTRY;
if (!lu_object_exists(&obj->do_lu))
RETURN(-ENOENT);
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for lookup: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
dt_read_lock(env, obj, MOR_TGT_CHILD);
if (!dt_try_as_dir(env, obj))
GOTO(out_unlock, rc = -ENOTDIR);
rc = dt_lookup(env, obj, (struct dt_rec *)&tti->tti_fid1,
(struct dt_key *)name, NULL);
if (rc < 0)
GOTO(out_unlock, rc);
if (rc == 0)
rc += 1;
CDEBUG(D_INFO, "lookup "DFID" %s get "DFID" rc %d\n",
PFID(lu_object_fid(&obj->do_lu)), name,
PFID(&tti->tti_fid1), rc);
fid_cpu_to_le(&tti->tti_fid1, &tti->tti_fid1);
out_unlock:
dt_read_unlock(env, obj);
CDEBUG(D_INFO, "%s: insert lookup reply %p index %d: rc = %d\n",
tgt_name(tsi->tsi_tgt), tti->tti_u.update.tti_update_reply,
0, rc);
update_insert_reply(tti->tti_u.update.tti_update_reply,
&tti->tti_fid1, sizeof(tti->tti_fid1), 0, rc);
RETURN(rc);
}
static int seq_req_handle(struct ptlrpc_request *req,
const struct lu_env *env,
struct seq_thread_info *info)
{
struct lu_seq_range *out, *tmp;
struct lu_site *site;
int rc = -EPROTO;
__u32 *opc;
ENTRY;
LASSERT(!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY));
site = req->rq_export->exp_obd->obd_lu_dev->ld_site;
LASSERT(site != NULL);
rc = req_capsule_server_pack(info->sti_pill);
if (rc)
RETURN(err_serious(rc));
opc = req_capsule_client_get(info->sti_pill, &RMF_SEQ_OPC);
if (opc != NULL) {
out = req_capsule_server_get(info->sti_pill, &RMF_SEQ_RANGE);
if (out == NULL)
RETURN(err_serious(-EPROTO));
tmp = req_capsule_client_get(info->sti_pill, &RMF_SEQ_RANGE);
/* seq client passed mdt id, we need to pass that using out
* range parameter */
out->lsr_index = tmp->lsr_index;
out->lsr_flags = tmp->lsr_flags;
rc = seq_server_handle(site, env, *opc, out);
} else
rc = err_serious(-EPROTO);
RETURN(rc);
}
static int mdt_reint_create(struct mdt_thread_info *info,
struct mdt_lock_handle *lhc)
{
struct ptlrpc_request *req = mdt_info_req(info);
int rc;
ENTRY;
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_CREATE))
RETURN(err_serious(-ESTALE));
if (info->mti_dlm_req)
ldlm_request_cancel(mdt_info_req(info), info->mti_dlm_req, 0);
LASSERT(info->mti_rr.rr_namelen > 0);
switch (info->mti_attr.ma_attr.la_mode & S_IFMT) {
case S_IFDIR:
mdt_counter_incr(req, LPROC_MDT_MKDIR);
break;
case S_IFREG:
case S_IFLNK:
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
/* Special file should stay on the same node as parent. */
mdt_counter_incr(req, LPROC_MDT_MKNOD);
break;
default:
CERROR("%s: Unsupported mode %o\n",
mdt2obd_dev(info->mti_mdt)->obd_name,
info->mti_attr.ma_attr.la_mode);
RETURN(err_serious(-EOPNOTSUPP));
}
rc = mdt_md_create(info);
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);
}
static int out_xattr_get(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
struct update *update = tti->tti_u.update.tti_update;
struct lu_buf *lbuf = &tti->tti_buf;
struct update_reply *reply = tti->tti_u.update.tti_update_reply;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
char *name;
void *ptr;
int rc;
ENTRY;
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for xattr get: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
ptr = update_get_buf_internal(reply, 0, NULL);
LASSERT(ptr != NULL);
/* The first 4 bytes(int) are used to store the result */
lbuf->lb_buf = (char *)ptr + sizeof(int);
lbuf->lb_len = UPDATE_BUFFER_SIZE - sizeof(struct update_reply);
dt_read_lock(env, obj, MOR_TGT_CHILD);
rc = dt_xattr_get(env, obj, lbuf, name, NULL);
dt_read_unlock(env, obj);
if (rc < 0) {
lbuf->lb_len = 0;
GOTO(out, rc);
}
if (rc == 0) {
lbuf->lb_len = 0;
GOTO(out, rc = -ENOENT);
}
lbuf->lb_len = rc;
rc = 0;
CDEBUG(D_INFO, "%s: "DFID" get xattr %s len %d\n",
tgt_name(tsi->tsi_tgt), PFID(lu_object_fid(&obj->do_lu)),
name, (int)lbuf->lb_len);
out:
*(int *)ptr = rc;
reply->ur_lens[0] = lbuf->lb_len + sizeof(int);
RETURN(rc);
}
/**
* Retrieve the current HSM flags, archive id and undergoing HSM requests for
* the fid provided in RPC body.
*
* Current requests are read from coordinator states.
*
* This is MDS_HSM_STATE_GET RPC handler.
*/
int mdt_hsm_state_get(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_object *obj = info->mti_object;
struct md_attr *ma = &info->mti_attr;
struct hsm_user_state *hus;
struct mdt_lock_handle *lh;
int rc;
ENTRY;
if (info->mti_body == NULL || obj == NULL)
GOTO(out, rc = -EPROTO);
/* Only valid if client is remote */
rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
if (rc < 0)
GOTO(out, rc = err_serious(rc));
lh = &info->mti_lh[MDT_LH_CHILD];
mdt_lock_reg_init(lh, LCK_PR);
rc = mdt_object_lock(info, obj, lh, MDS_INODELOCK_LOOKUP);
if (rc < 0)
GOTO(out_ucred, rc);
ma->ma_valid = 0;
ma->ma_need = MA_HSM;
rc = mdt_attr_get_complex(info, obj, ma);
if (rc)
GOTO(out_unlock, rc);
hus = req_capsule_server_get(tsi->tsi_pill, &RMF_HSM_USER_STATE);
if (hus == NULL)
GOTO(out_unlock, rc = -EPROTO);
/* Current HSM flags */
hus->hus_states = ma->ma_hsm.mh_flags;
hus->hus_archive_id = ma->ma_hsm.mh_arch_id;
EXIT;
out_unlock:
mdt_object_unlock(info, obj, lh, 1);
out_ucred:
mdt_exit_ucred(info);
out:
mdt_thread_info_fini(info);
return rc;
}
static int out_index_lookup(struct mdt_thread_info *info)
{
struct update *update = info->mti_u.update.mti_update;
const struct lu_env *env = info->mti_env;
struct dt_object *obj = info->mti_u.update.mti_dt_object;
char *name;
int rc;
ENTRY;
if (!lu_object_exists(&obj->do_lu))
RETURN(-ENOENT);
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for lookup: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
dt_read_lock(env, obj, MOR_TGT_CHILD);
if (!dt_try_as_dir(env, obj))
GOTO(out_unlock, rc = -ENOTDIR);
rc = dt_lookup(env, obj, (struct dt_rec *)&info->mti_tmp_fid1,
(struct dt_key *)name, NULL);
if (rc < 0)
GOTO(out_unlock, rc);
if (rc == 0)
rc += 1;
CDEBUG(D_INFO, "lookup "DFID" %s get "DFID" rc %d\n",
PFID(lu_object_fid(&obj->do_lu)), name,
PFID(&info->mti_tmp_fid1), rc);
fid_cpu_to_le(&info->mti_tmp_fid1, &info->mti_tmp_fid1);
out_unlock:
dt_read_unlock(env, obj);
update_insert_reply(info->mti_u.update.mti_update_reply,
&info->mti_tmp_fid1, sizeof(info->mti_tmp_fid1),
0, rc);
RETURN(rc);
}
static int out_index_delete(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;
char *name;
int rc = 0;
if (!lu_object_exists(&obj->do_lu))
RETURN(-ENOENT);
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for index delete: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
rc = out_tx_index_delete(info, obj, name, &info->mti_handle,
info->mti_u.update.mti_update_reply,
info->mti_u.update.mti_update_reply_index);
RETURN(rc);
}
int mdt_hsm_ct_register(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info;
__u32 *archives;
int rc;
ENTRY;
archives = req_capsule_client_get(tsi->tsi_pill, &RMF_MDS_HSM_ARCHIVE);
if (archives == NULL)
RETURN(err_serious(-EPROTO));
info = tsi2mdt_info(tsi);
if (!mdt_hsm_is_admin(info))
GOTO(out, rc = -EPERM);
/* XXX: directly include this function here? */
rc = mdt_hsm_agent_register_mask(info, &tsi->tsi_exp->exp_client_uuid,
*archives);
out:
mdt_thread_info_fini(info);
RETURN(rc);
}
static int out_index_delete(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;
char *name;
int rc = 0;
if (!lu_object_exists(&obj->do_lu))
RETURN(-ENOENT);
name = (char *)update_param_buf(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for index delete: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
rc = out_tx_index_delete(tsi->tsi_env, obj, name, &tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
/**
* Extract information coming from a copytool and asks coordinator to update
* a request status depending on the update content.
*
* Copytools could use this to report failure in their process.
*
* This is HSM_PROGRESS RPC handler.
*/
int mdt_hsm_progress(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info;
struct hsm_progress_kernel *hpk;
int rc;
ENTRY;
if (tsi->tsi_mdt_body == NULL)
RETURN(-EPROTO);
hpk = req_capsule_client_get(tsi->tsi_pill, &RMF_MDS_HSM_PROGRESS);
if (hpk == NULL)
RETURN(err_serious(-EPROTO));
hpk->hpk_errval = lustre_errno_ntoh(hpk->hpk_errval);
CDEBUG(D_HSM, "Progress on "DFID": len="LPU64" err=%d\n",
PFID(&hpk->hpk_fid), hpk->hpk_extent.length, hpk->hpk_errval);
if (hpk->hpk_errval)
CDEBUG(D_HSM, "Copytool progress on "DFID" failed (%d); %s.\n",
PFID(&hpk->hpk_fid), hpk->hpk_errval,
hpk->hpk_flags & HP_FLAG_RETRY ? "will retry" : "fatal");
if (hpk->hpk_flags & HP_FLAG_COMPLETED)
CDEBUG(D_HSM, "Finished "DFID" (%d) cancel cookie="LPX64"\n",
PFID(&hpk->hpk_fid), hpk->hpk_errval, hpk->hpk_cookie);
info = tsi2mdt_info(tsi);
if (!mdt_hsm_is_admin(info))
GOTO(out, rc = -EPERM);
rc = mdt_hsm_coordinator_update(info, hpk);
out:
mdt_thread_info_fini(info);
RETURN(rc);
}
int mdt_reint_setxattr(struct mdt_thread_info *info,
struct mdt_lock_handle *unused)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct md_ucred *uc = mdt_ucred(info);
struct mdt_lock_handle *lh;
const struct lu_env *env = info->mti_env;
struct lu_buf *buf = &info->mti_buf;
struct mdt_reint_record *rr = &info->mti_rr;
struct md_attr *ma = &info->mti_attr;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_object *obj;
struct md_object *child;
__u64 valid = attr->la_valid;
const char *xattr_name = rr->rr_name;
int xattr_len = rr->rr_eadatalen;
__u64 lockpart;
int rc;
posix_acl_xattr_header *new_xattr = NULL;
__u32 remote = exp_connect_rmtclient(info->mti_exp);
__u32 perm;
ENTRY;
CDEBUG(D_INODE, "setxattr for "DFID"\n", PFID(rr->rr_fid1));
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SETXATTR))
RETURN(err_serious(-ENOMEM));
CDEBUG(D_INODE, "%s xattr %s\n",
valid & OBD_MD_FLXATTR ? "set" : "remove", xattr_name);
rc = mdt_init_ucred_reint(info);
if (rc != 0)
RETURN(rc);
if (valid & OBD_MD_FLRMTRSETFACL) {
if (unlikely(!remote))
GOTO(out, rc = err_serious(-EINVAL));
perm = mdt_identity_get_perm(uc->mu_identity, remote,
req->rq_peer.nid);
if (!(perm & CFS_RMTACL_PERM))
GOTO(out, rc = err_serious(-EPERM));
}
if (strncmp(xattr_name, XATTR_USER_PREFIX,
sizeof(XATTR_USER_PREFIX) - 1) == 0) {
if (!(req->rq_export->exp_connect_flags & OBD_CONNECT_XATTR))
GOTO(out, rc = -EOPNOTSUPP);
if (strcmp(xattr_name, XATTR_NAME_LOV) == 0)
GOTO(out, rc = -EACCES);
if (strcmp(xattr_name, XATTR_NAME_LMA) == 0)
GOTO(out, rc = 0);
if (strcmp(xattr_name, XATTR_NAME_LINK) == 0)
GOTO(out, rc = 0);
} else if ((valid & OBD_MD_FLXATTR) &&
(strncmp(xattr_name, XATTR_NAME_ACL_ACCESS,
sizeof(XATTR_NAME_ACL_ACCESS) - 1) == 0 ||
strncmp(xattr_name, XATTR_NAME_ACL_DEFAULT,
sizeof(XATTR_NAME_ACL_DEFAULT) - 1) == 0)) {
/* currently lustre limit acl access size */
if (xattr_len > LUSTRE_POSIX_ACL_MAX_SIZE)
GOTO(out, -ERANGE);
}
lockpart = MDS_INODELOCK_UPDATE;
/* Revoke all clients' lookup lock, since the access
* permissions for this inode is changed when ACL_ACCESS is
* set. This isn't needed for ACL_DEFAULT, since that does
* not change the access permissions of this inode, nor any
* other existing inodes. It is setting the ACLs inherited
* by new directories/files at create time. */
if (!strcmp(xattr_name, XATTR_NAME_ACL_ACCESS))
lockpart |= MDS_INODELOCK_LOOKUP;
lh = &info->mti_lh[MDT_LH_PARENT];
/* ACLs were sent to clients under LCK_CR locks, so taking LCK_EX
* to cancel them. */
mdt_lock_reg_init(lh, LCK_EX);
obj = mdt_object_find_lock(info, rr->rr_fid1, lh, lockpart);
if (IS_ERR(obj))
GOTO(out, rc = PTR_ERR(obj));
info->mti_mos = obj;
rc = mdt_version_get_check_save(info, obj, 0);
if (rc)
GOTO(out_unlock, rc);
if (unlikely(!(valid & OBD_MD_FLCTIME))) {
/* This isn't strictly an error, but all current clients
* should set OBD_MD_FLCTIME when setting attributes. */
CWARN("%s: client miss to set OBD_MD_FLCTIME when "
"setxattr %s: [object "DFID"] [valid "LPU64"]\n",
info->mti_exp->exp_obd->obd_name, xattr_name,
PFID(rr->rr_fid1), valid);
attr->la_ctime = cfs_time_current_sec();
}
attr->la_valid = LA_CTIME;
child = mdt_object_child(obj);
if (valid & OBD_MD_FLXATTR) {
char *xattr = (void *)rr->rr_eadata;
if (xattr_len > 0) {
int flags = 0;
if (valid & OBD_MD_FLRMTLSETFACL) {
if (unlikely(!remote))
GOTO(out_unlock, rc = -EINVAL);
xattr_len = mdt_rmtlsetfacl(info, child,
xattr_name,
(ext_acl_xattr_header *)xattr,
&new_xattr);
if (xattr_len < 0)
GOTO(out_unlock, rc = xattr_len);
xattr = (char *)new_xattr;
}
if (attr->la_flags & XATTR_REPLACE)
flags |= LU_XATTR_REPLACE;
if (attr->la_flags & XATTR_CREATE)
flags |= LU_XATTR_CREATE;
mdt_fail_write(env, info->mti_mdt->mdt_bottom,
OBD_FAIL_MDS_SETXATTR_WRITE);
buf->lb_buf = xattr;
buf->lb_len = xattr_len;
rc = mo_xattr_set(env, child, buf, xattr_name, flags);
/* update ctime after xattr changed */
if (rc == 0) {
ma->ma_attr_flags |= MDS_PERM_BYPASS;
mo_attr_set(env, child, ma);
}
}
} else if (valid & OBD_MD_FLXATTRRM) {
rc = mo_xattr_del(env, child, xattr_name);
/* update ctime after xattr changed */
if (rc == 0) {
ma->ma_attr_flags |= MDS_PERM_BYPASS;
mo_attr_set(env, child, ma);
}
} else {
CDEBUG(D_INFO, "valid bits: "LPX64"\n", valid);
rc = -EINVAL;
}
if (rc == 0)
mdt_counter_incr(req->rq_export, LPROC_MDT_SETXATTR);
EXIT;
out_unlock:
mdt_object_unlock_put(info, obj, lh, rc);
if (unlikely(new_xattr != NULL))
lustre_posix_acl_xattr_free(new_xattr, xattr_len);
out:
mdt_exit_ucred(info);
return rc;
}
int mdt_getxattr(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct mdt_export_data *med = mdt_req2med(req);
struct md_ucred *uc = mdt_ucred(info);
struct mdt_body *reqbody;
struct mdt_body *repbody = NULL;
struct md_object *next;
struct lu_buf *buf;
__u32 remote = exp_connect_rmtclient(info->mti_exp);
__u32 perm;
int easize, rc;
ENTRY;
LASSERT(info->mti_object != NULL);
LASSERT(lu_object_assert_exists(&info->mti_object->mot_obj.mo_lu));
CDEBUG(D_INODE, "getxattr "DFID"\n", PFID(&info->mti_body->fid1));
reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
if (reqbody == NULL)
RETURN(err_serious(-EFAULT));
rc = mdt_init_ucred(info, reqbody);
if (rc)
RETURN(err_serious(rc));
next = mdt_object_child(info->mti_object);
if (info->mti_body->valid & OBD_MD_FLRMTRGETFACL) {
if (unlikely(!remote))
GOTO(out, rc = err_serious(-EINVAL));
perm = mdt_identity_get_perm(uc->mu_identity, remote,
req->rq_peer.nid);
if (!(perm & CFS_RMTACL_PERM))
GOTO(out, rc = err_serious(-EPERM));
rc = mo_permission(info->mti_env, NULL, next, NULL,
MAY_RGETFACL);
if (rc)
GOTO(out, rc = err_serious(rc));
}
easize = mdt_getxattr_pack_reply(info);
if (easize < 0)
GOTO(out, rc = err_serious(easize));
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
LASSERT(repbody != NULL);
/* No need further getxattr. */
if (easize == 0 || reqbody->eadatasize == 0)
GOTO(out, rc = easize);
buf = &info->mti_buf;
buf->lb_buf = req_capsule_server_get(info->mti_pill, &RMF_EADATA);
buf->lb_len = easize;
if (info->mti_body->valid & OBD_MD_FLXATTR) {
int flags = CFS_IC_NOTHING;
char *xattr_name = req_capsule_client_get(info->mti_pill,
&RMF_NAME);
CDEBUG(D_INODE, "getxattr %s\n", xattr_name);
rc = mo_xattr_get(info->mti_env, next, buf, xattr_name);
if (rc < 0) {
CERROR("getxattr failed: %d\n", rc);
GOTO(out, rc);
}
if (info->mti_body->valid &
(OBD_MD_FLRMTLSETFACL | OBD_MD_FLRMTLGETFACL))
flags = CFS_IC_ALL;
else if (info->mti_body->valid & OBD_MD_FLRMTRGETFACL)
flags = CFS_IC_MAPPED;
if (rc > 0 && flags != CFS_IC_NOTHING) {
int rc1;
if (unlikely(!remote))
GOTO(out, rc = -EINVAL);
rc1 = lustre_posix_acl_xattr_id2client(uc,
med->med_idmap,
(posix_acl_xattr_header *)(buf->lb_buf),
rc, flags);
if (unlikely(rc1 < 0))
rc = rc1;
}
} else if (info->mti_body->valid & OBD_MD_FLXATTRLS) {
CDEBUG(D_INODE, "listxattr\n");
rc = mo_xattr_list(info->mti_env, next, buf);
if (rc < 0)
CDEBUG(D_INFO, "listxattr failed: %d\n", rc);
} else
LBUG();
EXIT;
out:
if (rc >= 0) {
mdt_counter_incr(req->rq_export, LPROC_MDT_GETXATTR);
repbody->eadatasize = rc;
rc = 0;
}
mdt_exit_ucred(info);
return rc;
}
